Stony Brook, New York, United States of America: What to pack, what to wear, and when to go [2021]

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Traveling to Stony Brook, New York, United States of America? If you're planning to go to Stony Brook, this is some important information about when to go, what to wear, and what to pack.

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When to go to Stony Brook, New York, United States of America

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

Important esssentials for Stony Brook, New York, United States of America

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

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

January

January in Stony Brook is brisk and snowy. The average overnight temperatures in the area are in the low 20s F (single digits below 0 C). It tends to rain a bit less than half of the time.

What to wear/what to pack:

February

February in Stony Brook is brisk 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:

March

If you are traveling to Stony Brook in March, you will notice that it is pretty cool, 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:

April

If you are traveling to Stony Brook in April, you will notice that it is cool and somewhat rainy. Expect it to rain about a third of the time and snow (a few inches of snow).

Daytime temperatures are in the low 60s F (high 10s C).

What to wear/what to pack:

May

May in Stony Brook is warm and somewhat rainy. The rain can amount to several inches/centimeters.

During this time, temperatures average in the low 60s F (mid 10s C) to 70s F (low 20s C), although night temperatures can dip into the low 30s F (single digits C).

What to wear/what to pack:

June

June in Stony Brook is extremely warm and somewhat rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 80s F (high 20s C).

What to wear/what to pack:

July

July in Stony Brook 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:

August

Traveling to Stony Brook in August, you will notice that it is pretty consistently hot. Expect it to rain regularly. Daytime temperatures are in the 80s F (high 20s C).

What to wear/what to pack:

September

Traveling to Stony Brook in September, you will notice that it is warm. 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:

October

October for Stony Brook is balmy. Temperatures average in the 60s F (high 10s C) during the day. It rains regularly and snows ().

What to wear/what to pack:

November

If you visit Stony Brook during November, you are likely to find that it can be chilly and somewhat rainy. Temperatures tend to hover around the 50s F (low 10s C) during the day, while at night they can dip into the 30s F (single digits C).

In terms of precipitation, you can expect it to rain a bit less than half of the time and snow ().

What to wear/what to pack:

December

December for Stony Brook can be very chilly, snowy and somewhat rainy. Temperatures average in the 40s F (single digits C) during the day. It rains regularly and snows (extremely heavy snowfall).

What to wear/what to pack:

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