Port Jefferson, New York, United States of America: What to pack, what to wear, and when to go [2024]

Empty Lighthouse is a reader-supported site. This article may contain affiliate links to Amazon and other sites. We earn a commission on purchases made through these links.

Ready to pack for Port Jefferson, New York, United States of America? If you're planning to go to Port Jefferson, the following 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 in Port Jefferson is pretty cool and snowy. The average overnight temperatures in the area are in the low 20s F (single digits below 0 C). It tends to rain 5-10 days this month.

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

  • AirTag to track your luggage

    With airports repeatedly losing bags recently, an AirTag can locate it anywhere in the world: AirTag for iPhones.

  • 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

  • Travel neck pillow

    A top rated pillow 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

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Ensure that you find the correct kind. A lot of adapters available are just plug changers and expect your electronics to adjust the voltage themselves. If your electronics can't do that they could burn up. This one works in most places.

February

Traveling to Port Jefferson in February, you will notice that it can be brisk and snowy. Expect it to rain about a third of the time 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
  • 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 repeatedly losing luggage these days, an AirTag can help you locate it anywhere on earth: AirTag for iPhones.

  • Anti-theft backpack

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

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

  • Luggage scale to avoid fees

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

  • Travel neck support pillow

    A versatile choice is this one

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Check that you find the right kind. Many adapters available online are just 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 appropriate for most places.

March

March here is pretty cool, snowy and somewhat rainy. Temperatures average in the low 50s F (low 10s C) during the day. It rains 5-10 days this month and snows (several inches of snow).

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.

  • AirTag to track your luggage

    With airports always losing things nowadays, an AirTag can help you find it anywhere anywhere: AirTag for iPhones.

  • Anti-theft backpack

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

  • 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

  • Power bank for devices

    A portable power bank, like this one

  • Travel neck pillow

    A top rated pillow is this one

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Make sure to find the right kind. Most adapters currently being sold are simply plug changers and expect your devices to change the voltage themselves. If your electronics can't do that they could get fried. This one is sufficent for most countries.

  • Luggage scale to avoid fees

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

April

If you go to Port Jefferson in April, you will notice that it is crisp 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
  • AirTag to track your luggage

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

  • 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.

  • 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
  • Travel neck support pillow

    Our fave is this one

  • Voltage adapter

    A plug adapter that supports outlet types A and B. It's important that you get the necessary kind. The majority of adapters on sale are simply plug changers and require your electronics to convert the voltage themselves. If yours can't do that they could get destroyed. This one should be appropriate for most countries.

  • Power bank for devices

    A portable power bank, like this one

  • Luggage scale to avoid fees

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

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

May

May for Port Jefferson is warm and somewhat rainy. Temperatures average in the 70s F (low 20s C) during the day. It rains about a third of the time and snows ().

What to wear/what to pack:

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

    With airports 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.

  • 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.

Comfort + Essentials
  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

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

  • Travel neck support pillow

    A versatile choice 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. Ensure that you find the right type. Many adapters currently being sold are just plug changers and expect your devices to change the voltage themselves. If your electronics can't do that they could burn up. This one should work in most areas.

June

June in Port Jefferson is pretty consistently hot and somewhat rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the high 60s F (low 20s C) to low 80s F (high 20s 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 things.

  • Money/passport pouch

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

  • AirTag to track your luggage

    With airports repeatedly losing things nowadays, an AirTag can help you locate 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.

Comfort + Essentials
  • Travel neck support 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 prices for overweight luggage. Avoid surcharges with this

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Make sure to get the correct kind. A lot of adapters on sale are just plugs and expect your electronics to adjust the voltage themselves. If yours can't do that they could burn up. This one should work in most places.

  • Power bank for devices

    A portable power bank, like this one

July

July in this region can be very hot. Temperatures average in the 80s F (low 30s C) during the day. It rains regularly.

What to wear/what to pack:

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

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

  • Money/passport pouch

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

  • Anti-theft backpack

    For a bit of protection, 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.

Comfort + Essentials
  • Travel pillow

    An excellent option is this one

  • Luggage scale to avoid fees

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

  • Power bank for devices

    A portable power bank, like this one

  • Plug adapter

    A plug adapter that supports outlet types A and B. Ensure that you get the correct kind. The majority of adapters currently available are simply plugs and expect your devices to change the voltage themselves. If your electronics can't do that they could burn up. This one should be appropriate for most countries.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

August

If you visit Port Jefferson during August, you may find that it is extremely warm. Temperatures tend to hover around the 80s F (high 20s C) during the day, while at night they can dip into the low 60s F (mid 10s C). In terms of precipitation, you can expect it 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 luggage recently, an AirTag can locate 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.

  • Anti-theft backpack

    For a bit of 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.

Comfort + Essentials
  • Travel neck pillow

    A versatile choice is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Voltage adapter

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

  • Luggage scale to avoid fees

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

  • Power bank for devices

    A portable power bank, like this one

September

If you go to Port Jefferson in September, you will notice that it is a perfect temperature. Expect it to rain 5-10 days this month. Daytime temperatures are in the 70s F (mid 20s C).

What to wear/what to pack:

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

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

  • AirTag to track your luggage

    With airlines repeatedly losing bags nowadays, an AirTag can 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.

  • 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

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Make sure to find the correct type. A lot of adapters currently being sold are simply plug changers and expect your electronics to convert the voltage themselves. If yours can't do that they could burn up. This one should work in most locations.

  • Luggage scale to avoid fees

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

  • Travel neck support pillow

    Our favorite is this one

  • Power bank for devices

    A portable power bank, like this one

October

October in Port Jefferson is balmy. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 50s F (low 10s C) to 60s F (high 10s C), although night temperatures can dip into the low 30s 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 Port Jefferson. 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 nowadays, an AirTag can help you locate 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 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

  • Travel neck support pillow

    A versatile choice is this one

  • Travel adapter

    A plug adapter that supports outlet types A and B. Ensure that you get the right type. A lot of adapters that you can buy are simply plug changers and expect your devices to change the voltage themselves. If your devices can't do that they could get fried. This one is sufficent for most locations.

  • Luggage scale to avoid fees

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

  • Power bank for devices

    A portable power bank, like this one

November

Traveling to Port Jefferson in November, you will notice that it is relatively cool and somewhat rainy. Expect it to rain 5-10 days this month and snow (a dusting of snow). Daytime temperatures are in the 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.

  • Anti-theft backpack

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

  • AirTag to track your luggage

    With airports always losing things recently, an AirTag can locate 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.

Comfort + Essentials
  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel neck pillow

    Our fave is this one

  • Power bank for devices

    A portable power bank, like this one

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Take care to get the correct kind. The vast majority of adapters on sale are simply plugs and expect your devices to change the voltage themselves. If yours can't do that they could burn up. This one is sufficent for most locations.

  • Luggage scale to avoid fees

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

December

December in Port Jefferson is brisk, snowy and somewhat rainy. The snow can amount to several inches/centimeters. During this time, temperatures average in the 30s F (single digits C) to 40s F (single digits C), although night temperatures can dip into the single digits F (10+ below zero 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 frequently losing things these days, an AirTag can help you locate it anywhere on earth: AirTag for iPhones.

  • Anti-theft backpack

    For a bit of protection, 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.

Comfort + Essentials
  • Travel neck support pillow

    A versatile choice is this one

  • Luggage scale to avoid fees

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

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Ensure that you choose the correct type. A lot of adapters on sale are just plug changers and require your electronics to convert the voltage themselves. If yours can't do that they could burn up. This one should work in 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

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.

Check out our guides for these other locations: Ngoc Hoi, Vietnam, White Post, Virginia, United States of America, Post Oak Savannah, Texas, United States of America, Newfoundland and Labrador, Newfoundland, Canada, Ramea, Newfoundland, Canada, Songpan, China, Clifden, Ireland, Kutztown, Pennsylvania, United States of America, Salisbury, England, United Kingdom, Golaghat, India, and Tetebatu, Indonesia.