New Castle, Delaware, United States of America: What to pack, what to wear, and when to go [2024]

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Ready to pack for New Castle, Delaware, United States of America? If you're planning to go to New Castle, I've got some important information about when to go, what to wear, and what to pack.

Contents

When to go to New Castle, Delaware, United States of America

Based on the climate and weather in New Castle, Delaware, United States of America, the best time to go is September. See below for details.

What to wear/what to pack for New Castle, Delaware, United States of America

Already know when you're traveling?

Here are some general tips on what to wear in New Castle, as well as several items to remember to pack when traveling there.

What to wear/what to pack for New Castle, Delaware, United States of America by month

January

January in this region is brisk and somewhat rainy. Temperatures average in the high 30s F (single digits C) during the day. It rains a bit less than half of the time and snows sometimes.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in New Castle. A good global SIM card works in most countries, but check the country list before buying.

  • AirTag to track your luggage

    With airlines always losing bags nowadays, an AirTag can locate it anywhere anywhere: AirTag for iPhones.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your things.

Comfort + Essentials
  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Take care to pick the right type. The majority of adapters available online are simply plug changers and expect your devices to adjust the voltage themselves. If yours can't do that they could get fried. This one should be appropriate for most areas.

  • Luggage scale to avoid fees

    Airlines charge large penalties for overweight luggage. Avoid surcharges with this

  • Power bank for devices

    A portable power bank, like this one

  • Travel neck pillow

    An excellent option is this one

If you plan to check out the stunning New Castle Presbyterian Church, it's worthwhile to wear modest clothing:

If you go to the Old Library Museum, wear museum-appropriate clothing and take:

February

If you go to New Castle in February, you will notice that it is cold. Expect it to rain 5-10 days this month and snow sometimes. Daytime temperatures are in the low 40s F (single digits C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your belongings.

  • AirTag to track your luggage

    With airlines frequently losing bags nowadays, an AirTag can help you locate it anywhere on earth: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in New Castle. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials
  • Travel pillow

    Our fave is this one

  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

    Airlines charge large penalties for overweight luggage. Avoid penalties with this

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Check that you choose the necessary kind. Most adapters available are just plugs and expect your devices to convert the voltage themselves. If your electronics can't do that they could get fried. This one should be sufficient for most locations.

If you plan to check out the stunning New Castle Presbyterian Church, it's worthwhile to wear modest clothing:

If you go to the Old Library Museum, wear museum-appropriate clothing and take:

March

March in New Castle is brisk and somewhat rainy. The average overnight temperatures in the area are in the low 30s F (single digits C). It tends to rain regularly. With the colder weather comes lower humidity, which is in the 50% to 60% range on average.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • AirTag to track your luggage

    With airlines repeatedly losing bags these days, an AirTag can locate it anywhere on earth: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in New Castle. A good global SIM card works in most countries, but check the country list before buying.

  • Anti-theft backpack

    For a little peace of mind, an anti-theft backpack protects your things.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

Comfort + Essentials
  • Power bank for devices

    A portable power bank, like this one

  • Travel adapter

    A plug adapter that supports outlet types A and B. Be careful to get the right type. The majority of adapters currently being sold are just plugs and require your devices to convert the voltage themselves. If your electronics can't do that they could burn up. This one should be appropriate for most areas.

  • Travel neck pillow

    A top rated pillow is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

    Airlines charge large amounts for overweight luggage. Avoid surcharges with this

If you plan to check out the stunning New Castle Presbyterian Church, it's worthwhile to wear modest clothing:

If you go to the Old Library Museum, wear museum-appropriate clothing and take:

April

April in this region is relatively cool and somewhat rainy. Temperatures average in the low 60s F (high 10s C) during the day. It rains 5-10 days this month.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your belongings.

  • AirTag to track your luggage

    With airports constantly losing luggage recently, an AirTag can help you find it anywhere on earth: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in New Castle. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials
  • Travel neck pillow

    A versatile choice is this one

  • Luggage scale to avoid fees

    Airlines charge large prices for overweight luggage. Save money with this

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Ensure that you find the right kind. Many adapters currently being sold are simply plugs and require your devices to convert the voltage themselves. If your electronics can't do that they could get destroyed. This one should work in most countries.

  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

If you plan to check out the stunning New Castle Presbyterian Church, it's worthwhile to wear modest clothing:

If you go to the Old Library Museum, wear museum-appropriate clothing and take:

May

May in New Castle is balmy and somewhat rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 70s F (low 20s C), although night temperatures can dip into the low 50s F (single digits C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Anti-theft backpack

    For a little protection, an anti-theft backpack protects your stuff.

  • AirTag to track your luggage

    With airports repeatedly losing bags these days, an AirTag can help you find it anywhere in the world: AirTag for iPhones.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in New Castle. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials
  • Travel neck pillow

    Our fave is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel adapter

    A plug adapter that supports outlet types A and B. Make sure to pick the right type. The majority of adapters available are simply plug changers and expect your electronics to convert the voltage themselves. If yours can't do that they could get destroyed. This one is sufficent for most places.

  • Power bank for devices

    A portable power bank, like this one

  • Luggage scale to avoid fees

    Airlines charge huge penalties for overweight luggage. Avoid surcharges with this

If you plan to check out the stunning New Castle Presbyterian Church, it's worthwhile to wear modest clothing:

If you go to the Old Library Museum, wear museum-appropriate clothing and take:

June

If you visit New Castle during June, you may find that it is a perfect temperature and somewhat rainy. Temperatures tend to hover around the low 80s F (high 20s C) during the day, while at night they can dip into the low 60s F (mid 10s C). Humidity is generally between 50 and 60% during the day. In terms of precipitation, you can expect it to rain regularly.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • AirTag to track your luggage

    With airports frequently losing luggage recently, an AirTag can help you find it anywhere on earth: AirTag for iPhones.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in New Castle. A good global SIM card works in most countries, but check the country list before buying.

  • Anti-theft backpack

    For a little protection, an anti-theft backpack protects your stuff.

Comfort + Essentials
  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Make sure to find the necessary type. A lot of adapters for sale now are simply plugs and expect your electronics to adjust the voltage themselves. If your electronics can't do that they could get fried. This one works in most locations.

  • Power bank for devices

    A portable power bank, like this one

  • Travel neck pillow

    Our favorite is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

    Airlines charge excessive prices for overweight luggage. Avoid surcharges with this

If you plan to check out the stunning New Castle Presbyterian Church, it's worthwhile to wear modest clothing:

If you go to the Old Library Museum, wear museum-appropriate clothing and take:

July

If you go to New Castle in July, you will notice that it is constantly hot. Expect it to rain 5-10 days this month. Daytime temperatures are in the 80s F (low 30s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • AirTag to track your luggage

    With airports constantly losing luggage nowadays, an AirTag can help you find it anywhere on earth: AirTag for iPhones.

  • Anti-theft backpack

    For a bit of protection, an anti-theft backpack protects your stuff.

  • Voice and data SIM card

    A SIM card that works in New Castle. A good global SIM card works in most countries, but check the country list before buying.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

Comfort + Essentials
  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

    Airlines charge excessive amounts for overweight luggage. Save money with this

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Be careful to choose the correct kind. Most adapters currently sold are just plugs and require your devices to adjust the voltage themselves. If your devices can't do that they could burn up. This one is sufficent for most areas.

  • Travel neck support pillow

    A good option is this one

  • Power bank for devices

    A portable power bank, like this one

If you plan to check out the stunning New Castle Presbyterian Church, it's worthwhile to wear modest clothing:

If you go to the Old Library Museum, wear museum-appropriate clothing and take:

August

If you go to New Castle in August, you will notice that it is hot. Expect it to rain regularly. Daytime temperatures are in the low 80s F (high 20s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Voice and data SIM card

    A SIM card that works in New Castle. A good global SIM card works in most countries, but check the country list before buying.

  • Anti-theft backpack

    For a little protection, an anti-theft backpack protects your stuff.

  • AirTag to track your luggage

    With airlines always losing bags these days, an AirTag can locate it anywhere on earth: AirTag for iPhones.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

Comfort + Essentials
  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Be careful to find the necessary type. A lot of adapters that you can buy are simply plug changers and require your devices to adjust the voltage themselves. If your electronics can't do that they could burn up. This one is sufficent for most locations.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

    Airlines charge large penalties for overweight luggage. Avoid penalties with this

  • Travel neck pillow

    Our favorite is this one

  • Power bank for devices

    A portable power bank, like this one

If you plan to check out the stunning New Castle Presbyterian Church, it's worthwhile to wear modest clothing:

If you go to the Old Library Museum, wear museum-appropriate clothing and take:

September

September in New Castle is warm. The rain can amount to several inches/centimeters. During this time, temperatures average in the high 70s F (mid 20s C), although night temperatures can dip into the low 50s F (single digits C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Voice and data SIM card

    A SIM card that works in New Castle. A good global SIM card works in most countries, but check the country list before buying.

  • AirTag to track your luggage

    With airports constantly losing luggage recently, an AirTag can help you find it anywhere on earth: AirTag for iPhones.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Anti-theft backpack

    For a little protection, an anti-theft backpack protects your stuff.

Comfort + Essentials
  • Power bank for devices

    A portable power bank, like this one

  • Luggage scale to avoid fees

    Airlines charge large amounts for overweight luggage. Avoid penalties with this

  • Travel neck support pillow

    Our favorite is this one

  • Plug adapter

    A plug adapter that supports outlet types A and B. Be careful to get the right type. A lot of adapters currently being sold are just plugs and require your devices to adjust the voltage themselves. If your devices can't do that they could get fried. This one should be appropriate for most locations.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

If you plan to check out the stunning New Castle Presbyterian Church, it's worthwhile to wear modest clothing:

If you go to the Old Library Museum, wear museum-appropriate clothing and take:

October

If you are traveling to New Castle in October, you will notice that it is mild. Expect it to rain about a third of the time. Daytime temperatures are in the 60s F (high 10s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Anti-theft backpack

    For a little protection, an anti-theft backpack protects your belongings.

  • AirTag to track your luggage

    With airlines always losing bags nowadays, an AirTag can locate it anywhere on earth: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in New Castle. A good global SIM card works in most countries, but check the country list before buying.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

Comfort + Essentials
  • Voltage adapter

    A plug adapter that supports outlet types A and B. Be sure to choose the correct kind. Most adapters available are just plug changers and expect your electronics to adjust the voltage themselves. If yours can't do that they could get destroyed. This one works in most countries.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

  • Travel neck pillow

    A good option is this one

  • Luggage scale to avoid fees

    Airlines charge huge prices for overweight luggage. Save money with this

If you plan to check out the stunning New Castle Presbyterian Church, it's worthwhile to wear modest clothing:

If you go to the Old Library Museum, wear museum-appropriate clothing and take:

November

November in New Castle can be brisk. The average overnight temperatures in the area are in the 30s F (single digits C). It tends to rain about a third of the time. But the colder weather doesn't bring low humidity, which is in the 50% to 60% range on average.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Anti-theft backpack

    For a little peace of mind, an anti-theft backpack protects your stuff.

  • Voice and data SIM card

    A SIM card that works in New Castle. A good global SIM card works in most countries, but check the country list before buying.

  • AirTag to track your luggage

    With airports always losing luggage these days, an AirTag can find it anywhere on earth: AirTag for iPhones.

Comfort + Essentials
  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

    Airlines charge excessive prices for overweight luggage. Save money with this

  • Travel pillow

    An excellent option is this one

  • Power bank for devices

    A portable power bank, like this one

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. It's important that you pick the necessary type. Many adapters for sale now are simply plug changers and require your electronics to change the voltage themselves. If your devices can't do that they could burn up. This one is sufficent for most locations.

If you plan to check out the stunning New Castle Presbyterian Church, it's worthwhile to wear modest clothing:

If you go to the Old Library Museum, wear museum-appropriate clothing and take:

December

In December, New Castle is cold and somewhat rainy. Temperatures routinely are in the low 40s F (single digits C) and a bit less than half of the time jump into the low 50s F (single digits C) range. At night, lows are in the high 20s F (single digits below 0 C). This is also a rainy time for New Castle, with several of the days of the month having rain. In December, humidity reaches as high as 60%.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Voice and data SIM card

    A SIM card that works in New Castle. A good global SIM card works in most countries, but check the country list before buying.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • AirTag to track your luggage

    With airports frequently losing bags nowadays, an AirTag can help you locate it anywhere anywhere: AirTag for iPhones.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your stuff.

Comfort + Essentials
  • Travel pillow

    A good option is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

  • Luggage scale to avoid fees

    Airlines charge huge amounts for overweight luggage. Save money with this

  • Travel adapter

    A plug adapter that supports outlet types A and B. Ensure that you pick the right kind. The vast majority of adapters for sale now are simply plugs and expect your devices to convert the voltage themselves. If yours can't do that they could get destroyed. This one is sufficent for most areas.

If you plan to check out the stunning New Castle Presbyterian Church, it's worthwhile to wear modest clothing:

If you go to the Old Library Museum, wear museum-appropriate clothing and take:

What to do in New Castle, Delaware, United States of America

New Castle, located in Delaware, United States of America, is the epitome of a quaint and picturesque small town. Rich in history, New Castle offers visitors a unique opportunity to experience the living history of colonial America. From charming streets lined with colonial homes to museums, galleries, and classic American cuisine, New Castle is an ideal destination for tourists of all ages.

Let's explore the top tourist attractions in New Castle, Delaware -

1. New Castle Courthouse Museum:

The New Castle Courthouse Museum is an ideal spot for history buffs. This historical courthouse is where George Read, the Delaware signer of the Declaration of Independence, served as Superior Court Judge. The museum presents examples of how colonists lived and worked during that time period. One can see the courtroom where Colonel John Haslet addressed his troops before their departure to join General Washington's army.

2. Amstel House:

The Amstel House is a stately, beautifully preserved Georgian house restored to its 18th-century glory. It is home to a collection of artifacts and decorative arts that offer insight into the region's colonial past. The house is also a museum, so visitors can tour the fascinating exhibits inside.

3. Read House and Gardens:

The Read House and Gardens date back to the mid-18th century and is one of the most well-preserved historic homes in New Castle. Visitors can tour the mansion and grounds which include a formal boxwood garden, reflecting pool, and garden house.

4. Battery Park:

Battery Park is a popular destination, and locals often bring their families to enjoy the play area and picnic. The park offers unmatched views of the Delaware River and is an ideal spot for relaxation and watching the boats pass by.

5. The Dutch House:

The Dutch House is another historic building in New Castle, which is now a museum. Visitors can explore the home and learn about the early Dutch settlers who were once part of New Castle's historic fabric.

6. Immanuel Episcopal Church:

The Immanuel Episcopal Church is an impressive example of Gothic architecture and is located right in the center of town. Visitors can marvel at the intricate details of the building's interior and learn about the church’s rich history.

7. The Arsenal:

The Arsenal is another historic building which now houses the New Castle Historical Society. Guests can learn about the 17th-century history of New Castle and how the town played a critical role in the American Revolution.

8. Delaware History Museum:

The Delaware History Museum showcases the state's history through various exhibits and artifacts. From the Revolutionary War to the Civil War and beyond, visitors can learn about key moments and people in the state's past.

In conclusion, New Castle, Delaware, is a small town with a rich historical heritage. Visitors to this charming community can immerse themselves in living history by exploring outstanding museums, historic architecture, and stunning parks. A must-visit place for anyone traveling through Delaware.

About your travel guide

Hi! I'm Dev. I've traveled all over the world and in my travels, I have made many packing lists. In this series, my team and I have compiled the most useful information, as well as things we couldn't live without, to help you plan your trip.

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