King County, Washington, United States of America: What to pack, what to wear, and when to go [2022]

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Traveling to King County, Washington, United States of America? If you're planning to go to King County, 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 King County, Washington, United States of America

Based on the climate and weather in King County, the best time to go is July. See below for details.

Important essentials for King County, Washington, United States of America

Here are some general tips on what to wear in King County, 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 good kit.


  • 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 King County, Washington, United States of America

Here are some activity recommendations and activity-specific packing tips for King County.

What to wear/what to pack for King County, Washington, United States of America by month

Already know when you're traveling?

January

January in King County is pretty cool 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

If you are traveling to King County in February, you will notice that it is brisk and somewhat rainy. Expect it to rain about half of the time. Daytime temperatures are in the low 40s F (single digits C).

What to wear/what to pack:

March

March in King County is pretty cool 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:

April

In April, King County is chilly and somewhat rainy. Temperatures routinely are in the high 50s F (mid 10s C) and regularly jump into the low 60s F (mid 10s C) range. At night, lows are in the low 40s F (single digits C). This is also a rainy time for King County, with several of the days of the month having rain.

What to wear/what to pack:

May

In May, King County is crisp and somewhat rainy. Temperatures routinely are in the 60s F (high 10s C) and 5-10 days this month jump into the low 70s F (low 20s C) range. At night, lows are in the high 40s F (single digits C). This is also a rainy time for King County, with several of the days of the month having rain.

What to wear/what to pack:

June

June for King County is balmy. Temperatures average in the low 60s F (low 20s C) during the day. It rains regularly.

What to wear/what to pack:

July

If you visit King County during July, you are likely to find that it is warm. Temperatures tend to hover around the 70s F (mid 20s C) during the day, while at night they can dip into the 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

August in King County is warm. Temperatures average in the 70s F (mid 20s C) during the day. It rains once in a while.

What to wear/what to pack:

September

September in King County 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

In October, King County is chilly and somewhat rainy. Temperatures routinely are in the low 50s F (mid 10s C) and about half of the time jump into the low 60s F (mid 10s C) range. At night, lows are in the 40s F (single digits C). This is also a rainy time for King County, with several of the days of the month having rain.

What to wear/what to pack:

November

November in King County is brisk and very 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 low 30s F (single digits C).

What to wear/what to pack:

December

In December, King County can be very chilly and very rainy. Temperatures routinely are in the 40s F (single digits C) and 5-10 days this month jump into the low 50s F (single digits C) range. At night, lows are in the 30s F (single digits C). During your visit, you can expect a few inches of snow. This is also a rainy time for King County, with more than half of the days of the month having rain.

What to wear/what to pack:

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