Port Jefferson, New York, United States of America: What to pack, what to wear, and when to go [2023]

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Ready to pack for Port Jefferson, New York, United States of America? If you're planning to go to Port Jefferson, this is some important information about when to go, what to wear, and what to pack.

Contents

When to go to Port Jefferson, New York, United States of America

Based on the climate and weather in Port Jefferson, New York, United States of America, the best time to go is June. See below for details.

What to wear/what to pack for Port Jefferson, New York, United States of America

Already know when you're traveling?

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

What to wear/what to pack for Port Jefferson, New York, United States of America by month

January

January for Port Jefferson is brisk and snowy. Temperatures average in the high 30s F (single digits C) during the day. It rains 5-10 days this month and snows (heavy snowfall).

What to wear/what to pack:

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

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

  • AirTag to track your luggage

    With airports always losing things these days, an AirTag can find it anywhere in the world: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in Port Jefferson. 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 large amounts for overweight luggage. Save money with this

  • Travel neck support pillow

    A top rated pillow is this one

  • Voltage adapter

    A plug adapter that supports outlet types A and B. Be sure to find the correct type. A lot of adapters on sale are simply plug changers and require your devices to change the voltage themselves. If yours can't do that they could burn up. This one should be appropriate for most countries.

  • Power bank for devices

    A portable power bank, like this one

February

If you are traveling to Port Jefferson in February, you will notice that it can be very chilly and snowy. Expect it to rain regularly and snow (heavy snowfall). Daytime temperatures are in the low 40s F (single digits C).

What to wear/what to pack:

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

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

  • Anti-theft backpack

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

  • 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 Port Jefferson. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials
  • Power bank for devices

    A portable power bank, like this one

  • Luggage scale to avoid fees

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

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel pillow

    Our fave is this one

  • Travel adapter

    A plug adapter that supports outlet types A and B. It's important that you pick the correct type. The vast majority of adapters currently sold are simply plugs and expect 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.

March

Traveling to Port Jefferson in March, you will notice that it is brisk, snowy and somewhat rainy. Expect it to rain about a third of the time and snow (several inches of snow). Daytime temperatures are in the low 50s F (low 10s 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.

  • Voice and data SIM card

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

  • 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 things recently, an AirTag can locate it anywhere in the world: AirTag for iPhones.

Comfort + Essentials
  • Plug adapter

    A plug adapter that supports outlet types A and B. Be careful to pick the necessary kind. Many adapters currently being sold are just 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 sufficient for most locations.

  • 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

  • Travel neck support pillow

    Our favorite is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

April

Traveling to Port Jefferson in April, you will notice that it can be chilly and somewhat rainy. Expect it to rain 5-10 days this month and snow (a couple of inches of snowfall). Daytime temperatures are in the low 60s F (high 10s 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.

  • AirTag to track your luggage

    With airlines always losing luggage recently, an AirTag can find it anywhere on earth: AirTag for iPhones.

  • Anti-theft backpack

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

  • Voice and data SIM card

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

Comfort + Essentials
  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Take care to find the right kind. The vast majority of adapters on sale are simply 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 places.

  • 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 excessive amounts for overweight luggage. Save money with this

  • Travel neck pillow

    A great choice is this one

May

May in Port Jefferson is a perfect temperature and somewhat rainy. The average overnight temperatures in the area are in the high 40s F (single digits C). It tends to rain a bit less than half of the time.

What to wear/what to pack:

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

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

  • Voice and data SIM card

    A SIM card that works in Port Jefferson. 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 things.

  • Money/passport pouch

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

Comfort + Essentials
  • Travel pillow

    Our fave is this one

  • Power bank for devices

    A portable power bank, like this one

  • Voltage adapter

    A plug adapter that supports outlet types A and B. Be careful to find the correct type. Most adapters currently available are just plug changers and require your electronics to convert the voltage themselves. If yours can't do that they could get fried. This one is sufficent for most areas.

  • 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

June

Traveling to Port Jefferson in June, you will notice that it is extremely warm and somewhat rainy. Expect it to rain about a third of the time. 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 Port Jefferson. 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 things.

  • Money/passport pouch

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

  • AirTag to track your luggage

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

Comfort + Essentials
  • Power bank for devices

    A portable power bank, like this one

  • Luggage scale to avoid fees

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

  • Voltage adapter

    A plug adapter that supports outlet types A and B. Be sure to get the correct type. Many adapters currently sold are just plugs and expect your devices to adjust the voltage themselves. If your electronics can't do that they could get destroyed. This one should be appropriate for most places.

  • Travel pillow

    An excellent option is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

July

July in Port Jefferson is really hot. The rain can amount to several inches/centimeters. During this time, temperatures average in the 80s F (low 30s C).

What to wear/what to pack:

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

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

  • Voice and data SIM card

    A SIM card that works in Port Jefferson. 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 airlines constantly losing luggage recently, an AirTag can help you locate it anywhere anywhere: AirTag for iPhones.

Comfort + Essentials
  • Luggage scale to avoid fees

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

  • Travel neck pillow

    A good option is this one

  • 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. Check that you choose the correct kind. Many adapters currently being sold are simply plug changers and expect your devices to convert the voltage themselves. If yours can't do that they could get destroyed. This one should work in most areas.

  • Power bank for devices

    A portable power bank, like this one

August

If you are traveling to Port Jefferson in August, you will notice that it is pretty consistently hot. Expect it to rain a bit less than half of the time. Daytime temperatures are in the 80s F (high 20s C).

What to wear/what to pack:

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

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

  • Money/passport pouch

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

  • AirTag to track your luggage

    With airports constantly losing things these days, an AirTag can help you find it anywhere anywhere: AirTag for iPhones.

  • Voice and data SIM card

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

Comfort + Essentials
  • 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. Ensure that you get the correct type. The majority of adapters currently available are simply plugs and expect your electronics to adjust the voltage themselves. If your devices can't do that they could burn up. This one works in most areas.

  • Luggage scale to avoid fees

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

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel pillow

    A good option is this one

September

If you visit Port Jefferson during September, you may see that it is a perfect temperature. Temperatures tend to hover around the 70s F (mid 20s C) during the day, while at night they can dip into the low 50s F (low 10s C). In terms of precipitation, you can expect it to rain 5-10 days this month.

What to wear/what to pack:

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

    With airports always losing bags recently, an AirTag can find it anywhere on earth: AirTag for iPhones.

  • Anti-theft backpack

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

  • Voice and data SIM card

    A SIM card that works in Port Jefferson. 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
  • Luggage scale to avoid fees

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

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel pillow

    A great choice is this one

  • Travel adapter

    A plug adapter that supports outlet types A and B. Ensure that you find the correct kind. Many adapters for sale now are just plug changers and require your electronics to adjust the voltage themselves. If your electronics can't do that they could burn up. This one is sufficent for most areas.

  • Power bank for devices

    A portable power bank, like this one

October

October in Port Jefferson is mild. The average overnight temperatures in the area are in the low 40s F (single digits C), with a few days below 32 F (single digits C). It tends to rain about a third of the time.

What to wear/what to pack:

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

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

  • Voice and data SIM card

    A SIM card that works in Port Jefferson. 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 things nowadays, an AirTag can find it anywhere on earth: AirTag for iPhones.

Comfort + Essentials
  • Power bank for devices

    A portable power bank, like this one

  • 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. Check that you get the right kind. Most adapters available online are just plug changers and expect your electronics to convert the voltage themselves. If your devices can't do that they could get destroyed. This one should be sufficient for most places.

  • Travel neck pillow

    A versatile choice is this one

  • Luggage scale to avoid fees

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

November

November in Port Jefferson is relatively cool and somewhat rainy. The average overnight temperatures in the area are in the 30s F (single digits C). It tends to rain 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.

  • AirTag to track your luggage

    With airlines always losing luggage recently, an AirTag can locate it anywhere in the world: AirTag for iPhones.

  • 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 Port Jefferson. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials
  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • 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. Make sure to find the correct kind. Most adapters that you can buy are simply plug changers and require your devices to adjust the voltage themselves. If yours can't do that they could get destroyed. This one is sufficent for most places.

  • Luggage scale to avoid fees

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

  • Travel neck support pillow

    A great choice is this one

December

December in Port Jefferson is pretty cool, snowy and somewhat rainy. The average overnight temperatures in the area are in the 20s F (single digits below 0 C). It tends to rain about a third of the time.

What to wear/what to pack:

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

    With airlines always losing bags nowadays, an AirTag can 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 Port Jefferson. 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
  • Luggage scale to avoid fees

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

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Be careful to choose the right type. Most adapters available are simply plug changers and require your electronics to change the voltage themselves. If your electronics can't do that they could burn up. This one should be sufficient for 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 pillow

    Our favorite is this one

What to do in Port Jefferson, New York, United States of America

Port Jefferson is a small, picturesque village located on the north shore of Long Island in New York. It's famous for its beautiful harbor, historic architecture, and charming downtown area. Whether you're a local or a visitor, there's no shortage of things to see and do in Port Jefferson. Here are the top tourist attractions that you shouldn't miss.

1. Port Jefferson Harbor

One of the most iconic features of Port Jefferson is its harbor. The village's waterfront is full of boats, yachts, and sailboats, and the harbor is surrounded by beautifully maintained parks that offer scenic views of the Long Island Sound. You can take a walk along the waterfront, explore the shoreline, or rent a boat and take a tour of the harbor.

2. The Mariners' Museum

The Port Jefferson Historical Society's Mariners' Museum is a must-see for history buffs. Located in the heart of the village, the museum has displays of artifacts and exhibits showcasing the nautical history of the area. The museum also provides information about the town's rich maritime history, including the legacy of the U.S. Navy's submarine base.

3. The Mather House Museum

The Mather House Museum is a beautifully restored historic mansion built in 1838. The mansion is now a museum that offers visitors a glimpse into the life of an affluent family living in Port Jefferson during the 19th century. The museum features period furnishings, paintings, and other period arts and crafts.

4. The Port Jefferson Historical Society

The Port Jefferson Historical Society is a non-profit organization that provides visitors with a wealth of information and resources about the local history of the village. The society is located in the Drowned Meadow House, which is a historic building built around 1745. The society offers a variety of guided tours and educational programs that are aimed at educating visitors about Port Jefferson's rich cultural heritage and history.

5. Theatre Three

Theatre Three is a popular performing arts venue in Port Jefferson. It's a perfect spot to escape the crowds and enjoy live music, plays, and comedy shows. The theater offers a combination of Broadway-style shows, new works by up-and-coming artists, and seasonal favorites like "A Christmas Carol."

6. The Village Center

The Village Center is the hub of Port Jefferson's community activities. The center offers a wide variety of programs and events throughout the year, including art exhibits, concerts, and children's programs. Visitors can take in the panoramic view of the waterfront from the rooftop terrace or book a room for private events.

7. The Stony Brook Seawolves

The Stony Brook Seawolves are the college sports team representing Stony Brook University. The Seawolves are known for their winning record in various sports, particularly in football and basketball. If you are a sports enthusiast or love following college sports, attending a Seawolves game is something you shouldn't miss while you're in Port Jefferson.

In conclusion, Port Jefferson has a lot to offer, from its stunning harbor to its bustling downtown area to its rich history and cultural heritage. Whether you're interested in history, the arts, or just enjoying the beauty of the waterfront scenery, there's something for everyone in this charming village.

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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