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, this is 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.

COVID-19 ESSENTIALS FOR 2022


  • Travel disinfecting wipes

    Use these to sanitize plane and hotel surfaces.


  • N95 masks to use in crowded airports

    These N95 masks provide the best level of protection possible.


  • Kids' KN95 masks

    N95 masks don't exist for kids. These are a good alternative (and can also be used by adults if N95 masks are not available).


  • Travel insurance

    If you or a companion get COVID-19, your amazing trip can be ruined. Good travel insurance can help. See plans


  • Hand sanitizer

    This hand sanitizer is a good plane-friendly option.


  • A vaccine card protector

    Vaccine cards often become worn. An unreadable card can have severe consequences. This vaccine card protector helps avoid that.

General health necessities

Don't forget these

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

In January, San Juan Island is cold and very rainy. Temperatures routinely are in the 40s F (single digits C) and sometimes 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 more than half of the days of the month having rain.

What to wear/what to pack:

February

February in San Juan Island is cold 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 average overnight temperatures in the area are in the low 40s F (single digits C). It tends to rain about half of the time.

What to wear/what to pack:

April

If you visit San Juan Island during April, you are likely to see that it is 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 low 40s 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:

May

May in San Juan Island is chilly and somewhat rainy. The average overnight temperatures in the area are in the high 40s F (single digits C). It tends to rain regularly.

What to wear/what to pack:

June

If you go to San Juan Island in June, you will notice that it can be 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

If you visit San Juan Island during July, 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:

August

If you vacation in San Juan Island during August, you are likely to see 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 are traveling to San Juan Island in September, you will notice that it is relatively cool. 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:

October

October here can be chilly 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:

November

In November, San Juan Island is pretty cool and very rainy. Temperatures routinely are in the high 40s F (single digits C) and about a third of the time jump into the low 50s F (single digits C) range. At night, lows are in the low 40s 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:

December

December in San Juan Island is pretty cool and very rainy. The average overnight temperatures in the area are in the high 30s F (single digits C), with a few days below 28 F (single digits below 0 C). It tends to rain about half of the time.

What to wear/what to pack:

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.

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