Port Jefferson, New York, United States of America: What to pack, what to wear, and when to go [2018]

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

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.

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

January

January in Port Jefferson is cold and snowy. The average overnight temperatures in the area are in the low 20s F (single digits below 0 C). It tends to rain about a third of the time.

What to wear/what to pack:

  • Waterproof coat
  • Warm pants or jeans
  • Umbrella
  • Waterproof boots
  • Heavy socks
  • Sweaters
  • Cold weather footwear
  • Gloves or mittens
  • Heavy jacket

February

February in Port Jefferson can be very chilly 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:

  • Heavy jacket
  • Heavy socks
  • Gloves or mittens
  • Umbrella
  • Sweaters
  • Warm pants or jeans
  • Cold weather footwear
  • Waterproof boots
  • Waterproof coat

March

March in Port Jefferson is cold, snowy and somewhat rainy. The average overnight temperatures in the area are in the high 20s F (single digits below 0 C). It tends to rain 5-10 days this month.

What to wear/what to pack:

  • Heavy jacket
  • Heavy socks
  • Sweaters
  • Waterproof boots
  • Waterproof coat
  • Umbrella
  • Cold weather footwear
  • Gloves or mittens
  • Warm pants or jeans

April

April in Port Jefferson is cool and somewhat rainy. The rain can amount to several inches/centimeters.

During this time, temperatures average in the low 50s F (low 10s C) to low 60s F (high 10s C), although night temperatures can dip into the low 30s F (single digits C).

What to wear/what to pack:

  • Socks
  • Umbrella
  • Light gloves or mittens
  • Waterproof luggage
  • Waterproof footwear
  • Jacket or coat
  • Warm pants or jeans
  • Fleeces
  • Rain coat
  • Standard footwear

May

May in this region 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:

  • Sandals
  • Shorts or short pants
  • Light footwear
  • Umbrella
  • Sunscreen lotion
  • Waterproof luggage
  • Waterproof footwear
  • Dresses
  • Skirts
  • Rain coat
  • Long and short sleeve shirts

June

If you go to Port Jefferson in June, you will notice that it is hot and somewhat rainy. Expect it to rain a bit less than half of the time.

Daytime temperatures are in the low 80s F (high 20s C).

What to wear/what to pack:

  • Long and short sleeve shirts
  • Sunscreen lotion
  • Waterproof footwear
  • Dresses
  • Light footwear
  • Sandals
  • Rain coat
  • Shorts or short pants
  • Umbrella
  • Waterproof luggage
  • Skirts

July

July for Port Jefferson is extremely hot. Temperatures average in the 80s F (low 30s C) during the day. It rains 5-10 days this month.

What to wear/what to pack:

  • Sunscreen lotion
  • Short sleeve shirts
  • Skirts
  • Shorts
  • Dresses
  • Sunglasses
  • Umbrella
  • Waterproof luggage
  • Sandals
  • Rain coat
  • Waterproof footwear

August

If you visit Port Jefferson during August, you are likely to find that it is pretty consistently hot. 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 regularly.

What to wear/what to pack:

  • Skirts
  • Sandals
  • Waterproof luggage
  • Shorts
  • Sunglasses
  • Dresses
  • Rain coat
  • Waterproof footwear
  • Umbrella
  • Short sleeve shirts
  • Sunscreen lotion

September

If you go to Port Jefferson in September, you will notice that it is warm. Expect it to rain a bit less than half of the time. Daytime temperatures are in the 70s F (mid 20s C).

What to wear/what to pack:

  • Rain coat
  • Waterproof footwear
  • Umbrella
  • Shorts or short pants
  • Waterproof luggage
  • Sandals
  • Long and short sleeve shirts
  • Sunscreen lotion
  • Light footwear
  • Dresses
  • Skirts

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:

  • Socks
  • Long sleeve shirts or blouses
  • Umbrella
  • Waterproof footwear
  • Standard footwear
  • Light jacket or fleece
  • Waterproof luggage
  • Rain coat
  • Dresses
  • Pants or jeans
  • Long skirts

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 50s F (low 10s C), although night temperatures can dip into the low 30s F (single digits C).

What to wear/what to pack:

  • Umbrella
  • Fleeces
  • Socks
  • Standard footwear
  • Jacket or coat
  • Light gloves or mittens
  • Warm pants or jeans
  • Waterproof coat
  • Waterproof boots

December

December in Port Jefferson can be brisk, 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 regularly.

What to wear/what to pack:

  • Gloves or mittens
  • Heavy socks
  • Waterproof coat
  • Sweaters
  • Umbrella
  • Waterproof boots
  • Heavy jacket
  • Warm pants or jeans
  • Cold weather footwear

Year-round what to wear/what to pack 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.

  • A plug adadpter that supports outlet types A and B
  • A SIM card that works in Port Jefferson
  • If you plan to visit a church, make sure to bring appropriate clothing
  • Appropriate museum wear

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