Boston Harbor Islands, Massachusetts, United States of America: What to pack, what to wear, and when to go [2021]

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Traveling to Boston Harbor Islands, Massachusetts, United States of America? If you're planning to go to Boston Harbor Islands, below is some important information about when to go, what to wear, and what to pack.

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When to go to Boston Harbor Islands, Massachusetts, United States of America

Based on the climate and weather in Boston Harbor Islands, the best time to go is September. See below for details.

Important esssentials for Boston Harbor Islands, Massachusetts, United States of America

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

What to wear/what to pack for Boston Harbor Islands, Massachusetts, United States of America by month

January

January for Boston Harbor Islands is very cold, snowy and somewhat rainy. Temperatures average in the 30s F (single digits C) during the day.

It rains about a third of the time and snows a bit less than half of the time.

What to wear/what to pack:

February

If you go to Boston Harbor Islands in February, you will notice that it is cold, snowy and somewhat rainy. Expect it to rain a bit less than half of the time and snow sometimes.

Daytime temperatures are in the high 30s F (single digits C).

What to wear/what to pack:

March

March in Boston Harbor Islands is pretty cool, snowy and somewhat rainy. The average overnight temperatures in the area are in the low 30s F (single digits below 0 C). It tends to rain about a third of the time.

It also snows sometimes. But the colder weather doesn't bring low humidity, which is in the 50% to 60% range on average.

What to wear/what to pack:

April

April in this region is cool and somewhat rainy. Temperatures average in the 50s F (low 10s C) during the day. It rains a bit less than half of the time.

What to wear/what to pack:

May

May in Boston Harbor Islands is balmy and somewhat rainy. The rain can amount to several inches/centimeters.

During this time, temperatures average in the high 60s F (high 10s C), although night temperatures can dip into the low 40s F (single digits C).

What to wear/what to pack:

June

June in Boston Harbor Islands is warm and somewhat rainy. The rain can amount to several inches/centimeters.

During this time, temperatures average in the 70s F (mid 20s C), although night temperatures can dip into the low 50s F (single digits C).

What to wear/what to pack:

July

Traveling to Boston Harbor Islands in July, you will notice that it is extremely warm. Expect it to rain 5-10 days this month. Daytime temperatures are in the low 80s F (high 20s C).

What to wear/what to pack:

August

August in Boston Harbor Islands is warm and somewhat rainy. The rain can amount to several inches/centimeters.

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

What to wear/what to pack:

September

September in Boston Harbor Islands is mild. The rain can amount to several inches/centimeters.

During this time, temperatures average in the low 70s F (low 20s C), although night temperatures can dip into the low 50s F (single digits C).

What to wear/what to pack:

October

October in Boston Harbor Islands is relatively cool. The rain can amount to several inches/centimeters.

During this time, temperatures average in the low 60s F (high 10s C), although night temperatures can dip into the low 40s F (single digits C).

What to wear/what to pack:

November

In November, Boston Harbor Islands can be very chilly and somewhat rainy. Temperatures routinely are in the low 50s F (low 10s C) and sometimes jump into the low 60s F (mid 10s C) range. At night, lows are in the high 30s F (single digits C).

During your visit, you can expect a few inches of snow. This is also a rainy time for Boston Harbor Islands, with several of the days of the month having rain. In November, humidity reaches as high as 70%.

What to wear/what to pack:

December

In December, Boston Harbor Islands is pretty cool, snowy and somewhat rainy. Temperatures routinely are in the low 40s F (single digits C) and sometimes jump into the low 50s F (single digits C) range. At night, lows are in the high 20s F (single digits below 0 C).

During your visit, you can expect several inches of snow. This is also a rainy time for Boston Harbor Islands, with several of the days of the month having rain. In December, humidity reaches as high as 60%.

What to wear/what to pack:

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