Port Jefferson, New York, United States of America: What to pack, what to wear, and when to go [2022]

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.

Traveling to Port Jefferson, New York, United States of America? If you're planning to go to Port Jefferson, I have some important information about when to go, what to wear, and what to pack.

Contents

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.


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

Based on the climate and weather in Port Jefferson, the best time to go is June. See below for details.

Important essentials for Port Jefferson, New York, United States of America

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

COVID-19 ESSENTIALS FOR 2022


  • N95 masks to use in crowded airports

    These N95 masks provide the best level of COVID-19 protection you can have.


  • Travel disinfecting wipes

    Use these to sanitize plane and hotel surfaces.


  • Hand sanitizer

    This hand sanitizer is an easy-to-carry TSA-friendly option.


  • A vaccine card protector

    Vaccine cards often wear away. An unreadable vaccination card can have severe consequences. This vaccine card protector helps stop that.


  • Kids' KN95 masks

    N95 masks aren't sold for kids. These are a good alternative (and can also be used by adults if N95 masks are not available).


  • Travel insurance

    If you or a companion get COVID-19, your amazing trip can be ruined. Good travel insurance can help. See plans

General health necessities

Don't forget these

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

Already know when you're traveling?

January

January in Port Jefferson is pretty cool 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:

February

Traveling to Port Jefferson in February, you will notice that it is cold and snowy. Expect it to rain 5-10 days this month and snow (heavy snowfall). Daytime temperatures are in the low 40s F (single digits C).

What to wear/what to pack:

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 regularly and snows (several inches of snow).

What to wear/what to pack:

April

April in this region is crisp and somewhat rainy. Temperatures average in the low 60s F (high 10s C) during the day. It rains regularly and snows (a couple of inches of snowfall).

What to wear/what to pack:

May

In May, Port Jefferson is a perfect temperature and somewhat rainy. Temperatures routinely are in the 70s F (low 20s C) range. At night, lows are in the high 40s F (single digits C). This is also a rainy time for Port Jefferson, with several of the days of the month having rain.

What to wear/what to pack:

June

June in this region is hot and somewhat rainy. Temperatures average in the low 80s F (high 20s C) during the day. It rains 5-10 days this month.

What to wear/what to pack:

July

Traveling to Port Jefferson in July, you will notice that it is consistently 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:

August

August in Port Jefferson is hot. Temperatures average in the 80s F (high 20s C) during the day. It rains about a third of the time.

What to wear/what to pack:

September

Traveling to Port Jefferson in September, you will notice that it is warm. Expect it to rain about a third of the time. Daytime temperatures are in the 70s F (mid 20s C).

What to wear/what to pack:

October

October in Port Jefferson is balmy. 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:

November

November in Port Jefferson is crisp and somewhat rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the 40s F (single digits C) to 50s F (low 10s C), although night temperatures can dip into the low 30s F (single digits C).

What to wear/what to pack:

December

Traveling to Port Jefferson in December, you will notice that it can be brisk, snowy and somewhat rainy. Expect it to rain 5-10 days this month and snow (heavy snowfall). Daytime temperatures are in the 40s F (single digits C).

What to wear/what to pack:

Activities for Port Jefferson, New York, United States of America

Here are some activity recommendations and activity-specific packing tips for Port Jefferson.

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.