San Juan Island, British Columbia, United States of America: What to pack, what to wear, and when to go [2022]

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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, I've got 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 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 essentials 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.

IMPORTANT COVID-19 ESSENTIALS

Other health necessities


  • Travel first aid kit

    This one is a great one.


  • Emergency rapid COVID-19 test

    U.S. residents can get them free here. Otherwise, you can buy them here.


  • Emergency motion sickness relief

Don't forget these

Activities for San Juan Island, British Columbia, United States of America

Here are some activity recommendations and activity-specific packing tips for San Juan Island.

We also recommend these top tours in and around San Juan Island.

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

    Already know when you're traveling?

    January

    January in San Juan Island is brisk and very rainy. The average overnight temperatures in the area are in the high 30s F (single digits C). It tends to rain about half of the time.

    What to wear/what to pack:

    February

    In February, San Juan Island is pretty cool and somewhat rainy. Temperatures routinely are in the high 40s F (single digits C) and once in a while jump into the low 50s F (single digits C) range. At night, lows are in the high 30s F (single digits C). This is also a rainy time for San Juan Island, with several of the days of the month having rain.

    What to wear/what to pack:

    March

    If you are traveling to San Juan Island in March, you will notice that it is pretty cool and somewhat rainy. Expect it to rain about half of the time. Daytime temperatures are in the low 50s F (low 10s C).

    What to wear/what to pack:

    April

    April for San Juan Island is relatively cool and somewhat rainy. Temperatures average in the 50s F (low 10s C) during the day. It rains about half of the time.

    What to wear/what to pack:

    May

    In May, San Juan Island is crisp and somewhat rainy. Temperatures routinely are in the low 60s F (mid 10s C) range. At night, lows are in the high 40s F (single digits C). This is also a rainy time for San Juan Island, with several of the days of the month having rain.

    What to wear/what to pack:

    June

    Traveling to San Juan Island in June, you will notice that it is chilly and somewhat rainy. Expect it to rain 5-10 days this month. 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 occasionally. Daytime temperatures are in the high 60s F (low 20s C).

    What to wear/what to pack:

    August

    If you vacation in San Juan Island during August, you might notice that it is mild. Temperatures tend to hover around the high 60s F (low 20s C) during the day, while at night they can dip into the low 50s F (low 10s C). In terms of precipitation, you can expect it to rain once in a while.

    What to wear/what to pack:

    September

    If you visit San Juan Island during September, you might notice that it can be chilly. Temperatures tend to hover around the 60s F (high 10s C) during the day, while at night they can dip into the low 50s F (single digits C). In terms of precipitation, you can expect it to rain about a third of the time.

    What to wear/what to pack:

    October

    In October, San Juan Island is cool and somewhat rainy. Temperatures routinely are in the 50s F (low 10s C) range. At night, lows are in the 40s F (single digits C). This is also a rainy time for San Juan Island, with several of the days of the month having rain.

    What to wear/what to pack:

    November

    November in San Juan Island is cold and very 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:

    December

    In December, San Juan Island is brisk and very rainy. Temperatures routinely are in the 40s F (single digits C) range. At night, lows are in the high 30s F (single digits C). This is also a rainy time for San Juan Island, with more than half of the days of the month having rain.

    What to wear/what to pack:

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