San Juan Island, British Columbia, United States of America: What to pack, what to wear, and when to go [2021]

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Traveling to San Juan Island, British Columbia, United States of America? If you're planning to go to San Juan Island, below is some important information about when to go, what to wear, and what to pack.

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When to go to San Juan Island, British Columbia, United States of America

Based on the climate and weather in San Juan Island, the best time to go is August. See below for details.

Important esssentials for San Juan Island, British Columbia, United States of America

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

What to wear/what to pack for San Juan Island, British Columbia, United States of America by month

January

If you visit San Juan Island during January, you may find that it is brisk and very rainy. Temperatures tend to hover around the 40s F (single digits C) during the day, while at night they can dip into the high 30s F (single digits C).

In terms of precipitation, you can expect it to rain about half of the time.

What to wear/what to pack:

February

February in San Juan Island is pretty cool and somewhat rainy. The rain can amount to several inches/centimeters.

During this time, temperatures average in the high 40s F (single digits C), although night temperatures can dip into the 30s F (single digits C).

What to wear/what to pack:

March

March in San Juan Island is pretty cool and somewhat rainy. The rain can amount to several inches/centimeters.

During this time, temperatures average in the 40s F (single digits C) to low 50s F (low 10s C), although night temperatures can dip into the 30s F (single digits C).

What to wear/what to pack:

April

April in San Juan Island is crisp and somewhat rainy. The rain can amount to several inches/centimeters.

During this time, temperatures average in the high 40s F (single digits C) to 50s F (low 10s C), although night temperatures can dip into the 30s F (single digits C).

What to wear/what to pack:

May

If you go to San Juan Island in May, you will notice that it is cool and somewhat rainy. Expect it to rain regularly. Daytime temperatures are in the low 60s F (mid 10s C).

What to wear/what to pack:

June

Traveling to San Juan Island in June, you will notice that it can be chilly and somewhat rainy. Expect it to rain a bit less than half of the time. Daytime temperatures are in the 60s F (high 10s C).

What to wear/what to pack:

July

Traveling to San Juan Island in July, you will notice that it is mild. Expect it to rain sometimes. Daytime temperatures are in the high 60s F (low 20s C).

What to wear/what to pack:

August

August in this region is balmy. Temperatures average in the high 60s F (low 20s C) during the day. It rains occasionally.

What to wear/what to pack:

September

September in San Juan Island is relatively cool. Temperatures average in the 60s F (high 10s C) during the day. It rains about a third of the time.

What to wear/what to pack:

October

October in San Juan Island is crisp and somewhat rainy. The average overnight temperatures in the area are in the 40s F (single digits C). It tends to rain about half of the time.

What to wear/what to pack:

November

Traveling to San Juan Island in November, you will notice that it can be very chilly and very rainy. Expect it to rain about two thirds of the time. Daytime temperatures are in the high 40s F (single digits C).

What to wear/what to pack:

December

December in San Juan Island is brisk and very rainy. The rain can amount to several inches/centimeters.

During this time, temperatures average in the low 40s F (single digits C) to 40s F (single digits C), although night temperatures can dip into the 30s F (single digits C).

What to wear/what to pack:

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