King County, Washington, United States of America: What to pack, what to wear, and when to go [2024]

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Ready to pack for King County, Washington, United States of America? If you're planning to go to King County, here is some important information about when to go, what to wear, and what to pack.

Contents

When to go to King County, Washington, United States of America

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

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

Already know when you're traveling?

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

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

January

January in King County 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 low 30s F (single digits C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Voice and data SIM card

    A SIM card that works in King County. A good global SIM card works in most countries, but check the country list before buying.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Anti-theft backpack

    For a little protection, an anti-theft backpack protects your stuff.

  • AirTag to track your luggage

    With airports constantly losing things recently, an AirTag can find it anywhere anywhere: AirTag for iPhones.

Comfort + Essentials
  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Plug adapter

    A plug adapter that supports outlet types A and B. Ensure that you pick the necessary kind. Most adapters available online are simply plug changers and expect your devices to change the voltage themselves. If your electronics can't do that they could get destroyed. This one should be appropriate for most places.

  • Travel neck support pillow

    A versatile choice is this one

  • Power bank for devices

    A portable power bank, like this one

  • Luggage scale to avoid fees

    Airlines charge excessive amounts for overweight luggage. Avoid penalties with this

February

In February, King County is pretty cool and somewhat rainy. Temperatures routinely are in the low 40s F (single digits C) and about half of the time jump into the low 50s F (single digits C) range. At night, lows are in the high 30s F (single digits C). During your visit, you can expect a couple of inches of snowfall. 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:

Clothes + Footwear
Health
Safety + Security
  • Anti-theft backpack

    For a bit of protection, an anti-theft backpack protects your stuff.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • AirTag to track your luggage

    With airports frequently losing luggage nowadays, an AirTag can help you locate it anywhere on earth: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in King County. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials
  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel neck pillow

    Our fave is this one

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Be careful to get the right kind. The majority of adapters currently available are simply plug changers and require your devices to change the voltage themselves. If yours can't do that they could get destroyed. This one should be sufficient for most countries.

  • Luggage scale to avoid fees

    Airlines charge large amounts for overweight luggage. Avoid surcharges with this

  • Power bank for devices

    A portable power bank, like this one

March

March in King County can be very chilly and very rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the 50s F (low 10s C), although night temperatures can dip into the low 30s F (single digits C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • AirTag to track your luggage

    With airlines frequently losing bags recently, an AirTag can find it anywhere anywhere: AirTag for iPhones.

  • Anti-theft backpack

    For a little protection, an anti-theft backpack protects your stuff.

  • Voice and data SIM card

    A SIM card that works in King County. A good global SIM card works in most countries, but check the country list before buying.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

Comfort + Essentials
  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Take care to find the right type. Many adapters currently sold are simply plug changers and require your devices to change the voltage themselves. If your electronics can't do that they could get fried. This one is sufficent for most places.

  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel neck support pillow

    What we like is this one

  • Luggage scale to avoid fees

    Airlines charge huge penalties for overweight luggage. Avoid penalties with this

April

In April, King County is chilly and somewhat rainy. Temperatures routinely are in the high 50s F (mid 10s C) and 5-10 days this month 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:

Clothes + Footwear
Health
Safety + Security
  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • AirTag to track your luggage

    With airports repeatedly losing things nowadays, an AirTag can find it anywhere in the world: AirTag for iPhones.

  • Anti-theft backpack

    For a little peace of mind, an anti-theft backpack protects your belongings.

  • Voice and data SIM card

    A SIM card that works in King County. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials
  • Power bank for devices

    A portable power bank, like this one

  • Luggage scale to avoid fees

    Airlines charge excessive prices for overweight luggage. Avoid surcharges with this

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Plug adapter

    A plug adapter that supports outlet types A and B. Be sure to get the necessary kind. Many adapters on sale are just plug changers and expect your electronics to convert the voltage themselves. If your devices can't do that they could get fried. This one should be sufficient for most places.

  • Travel neck support pillow

    Our favorite is this one

May

May in King County is cool and somewhat rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the 60s F (high 10s C), although night temperatures can dip into the 40s F (single digits C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • AirTag to track your luggage

    With airports repeatedly losing bags these days, an AirTag can locate it anywhere in the world: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in King County. A good global SIM card works in most countries, but check the country list before buying.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Anti-theft backpack

    For a bit of protection, an anti-theft backpack protects your things.

Comfort + Essentials
  • Luggage scale to avoid fees

    Airlines charge huge amounts for overweight luggage. Save money with this

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

  • Travel adapter

    A plug adapter that supports outlet types A and B. Be sure to choose the necessary kind. Many adapters currently being sold are just plug changers and expect your electronics to convert the voltage themselves. If yours can't do that they could burn up. This one should be appropriate for most countries.

  • Travel neck pillow

    An excellent option is this one

June

June in King County is balmy. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 60s F (low 20s C), although night temperatures can dip into the low 50s F (single digits C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in King County. A good global SIM card works in most countries, but check the country list before buying.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your things.

  • AirTag to track your luggage

    With airports repeatedly losing things recently, an AirTag can find it anywhere on earth: AirTag for iPhones.

Comfort + Essentials
  • Plug adapter

    A plug adapter that supports outlet types A and B. Take care to choose the necessary type. Many adapters on sale are simply plug changers and require your devices to convert the voltage themselves. If your devices can't do that they could burn up. This one works in most countries.

  • Travel neck pillow

    A great choice is this one

  • Luggage scale to avoid fees

    Airlines charge large prices for overweight luggage. Avoid surcharges with this

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

July

July in this region is a perfect temperature. Temperatures average in the 70s F (mid 20s C) during the day. It rains occasionally.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Anti-theft backpack

    For a bit of protection, an anti-theft backpack protects your stuff.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • AirTag to track your luggage

    With airlines frequently losing bags nowadays, an AirTag can locate it anywhere in the world: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in King County. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials
  • Travel neck support pillow

    A great choice is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel adapter

    A plug adapter that supports outlet types A and B. Be careful to pick the right kind. Most adapters currently available are just plugs and expect your electronics to change the voltage themselves. If your devices can't do that they could get destroyed. This one should be appropriate for most areas.

  • Luggage scale to avoid fees

    Airlines charge huge prices for overweight luggage. Avoid surcharges with this

  • Power bank for devices

    A portable power bank, like this one

August

August for King County is a perfect temperature. Temperatures average in the 70s F (mid 20s C) during the day. It rains occasionally.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Anti-theft backpack

    For a little peace of mind, an anti-theft backpack protects your belongings.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • AirTag to track your luggage

    With airports always losing bags these days, an AirTag can locate it anywhere in the world: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in King County. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials
  • Travel neck pillow

    A good option is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

  • Luggage scale to avoid fees

    Airlines charge large amounts for overweight luggage. Avoid surcharges with this

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Check that you pick the right kind. The majority of adapters for sale now are just plug changers and require your electronics to change the voltage themselves. If your devices can't do that they could get destroyed. This one works in most areas.

September

September in King County is balmy. 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:

Clothes + Footwear
Health
Safety + Security
  • AirTag to track your luggage

    With airports repeatedly losing luggage these days, an AirTag can help you find it anywhere on earth: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in King County. A good global SIM card works in most countries, but check the country list before buying.

  • Anti-theft backpack

    For a bit of protection, an anti-theft backpack protects your things.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

Comfort + Essentials
  • Power bank for devices

    A portable power bank, like this one

  • Travel neck support pillow

    What we like is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

    Airlines charge huge amounts for overweight luggage. Save money with this

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Be sure to find the correct kind. Many adapters currently sold are just plug changers and expect your electronics to convert the voltage themselves. If yours can't do that they could get fried. This one should be sufficient for most locations.

October

If you are traveling to King County in October, you will notice that it is relatively cool and somewhat rainy. Expect it to rain regularly. Daytime temperatures are in the low 50s F (mid 10s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Anti-theft backpack

    For a bit of protection, an anti-theft backpack protects your belongings.

  • AirTag to track your luggage

    With airlines frequently losing things nowadays, an AirTag can find it anywhere anywhere: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in King County. A good global SIM card works in most countries, but check the country list before buying.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

Comfort + Essentials
  • Travel neck pillow

    A good option is this one

  • Power bank for devices

    A portable power bank, like this one

  • Luggage scale to avoid fees

    Airlines charge excessive penalties for overweight luggage. Avoid penalties with this

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel adapter

    A plug adapter that supports outlet types A and B. Be careful to find the correct kind. Many adapters available are simply plug changers and expect your devices to adjust the voltage themselves. If yours can't do that they could burn up. This one should work in most places.

November

If you visit King County during November, you are likely to notice that it is brisk and very rainy. Temperatures tend to hover around the low 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:

Clothes + Footwear
Health
Safety + Security
  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your things.

  • AirTag to track your luggage

    With airports frequently losing bags nowadays, an AirTag can help you locate it anywhere in the world: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in King County. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials
  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

    Airlines charge large amounts for overweight luggage. Save money with this

  • Voltage adapter

    A plug adapter that supports outlet types A and B. Ensure that you choose the necessary kind. Most adapters available are simply plug changers and require your electronics to convert the voltage themselves. If your devices can't do that they could get destroyed. This one is sufficent for most places.

  • Travel pillow

    What we like is this one

December

December in King County can be very chilly and very rainy. The average overnight temperatures in the area are in the 30s F (single digits C). It tends to rain about half of the time.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • AirTag to track your luggage

    With airlines always losing things these days, an AirTag can find it anywhere on earth: AirTag for iPhones.

  • Anti-theft backpack

    For a little peace of mind, an anti-theft backpack protects your belongings.

  • Voice and data SIM card

    A SIM card that works in King County. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials
  • Travel neck support pillow

    What we like is this one

  • Power bank for devices

    A portable power bank, like this one

  • Luggage scale to avoid fees

    Airlines charge large penalties for overweight luggage. Avoid surcharges with this

  • Plug adapter

    A plug adapter that supports outlet types A and B. Be careful to pick the correct type. The majority of adapters that you can buy are simply plug changers and expect your devices to change the voltage themselves. If yours can't do that they could get fried. This one is sufficent for most locations.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

What to do in King County, Washington, United States of America

King County, Washington is a beautiful region that offers both locals and tourists alike a wealth of natural and cultural experiences to enjoy. Home to Seattle, the most populous city in Washington State, it's hardly surprising King County is a major tourist destination.

With a wide range of attractions to visit, King County offers something for everyone. Here are some of the top tourist attractions in King County, Washington:

1. Space Needle: Standing 605 feet tall, the Space Needle is one of most recognizable landmarks in Seattle. Visitors can ride up to the observation deck at the top of the Needle to enjoy stunning panoramic views of the city and Puget Sound.

2. Pike Place Market: Pike Place Market is one of the oldest public markets in the United States. With over 500 vendors, the market offers a wide range of fresh seafood, produce, flowers, and handicrafts to explore.

3. Mount Rainier National Park: Mount Rainier National Park is one of the most iconic natural landmarks in Washington State, and it's just a short drive away from Seattle. Visitors can hike or camp in the park, as well as go skiing or snowboarding in the winter.

4. Museum of Flight: The Museum of Flight is one of the largest aviation museums in the world, featuring over 175 planes, including the Air Force One aircraft used by Presidents Eisenhower, Kennedy, Johnson, and Nixon.

5. Ballard Locks: The Ballard Locks are a series of locks that connect Lake Union to the Puget Sound. Visitors can watch boats travel through the locks, enjoy a picnic in the park, or visit the fish ladder to observe salmon swimming upstream.

6. Chihuly Garden and Glass: The Chihuly Garden and Glass is a museum showcasing the work of glass artist Dale Chihuly. The museum features a stunning collection of glass art and sculptures, as well as a botanical garden.

7. Snoqualmie Falls: Snoqualmie Falls is a beautiful waterfall located on the Snoqualmie River, approximately 30 minutes east of Seattle. Visitors can hike to the falls or view them from the observation deck.

8. Bellevue Botanical Garden: The Bellevue Botanical Garden is a beautifully landscaped garden featuring a wide range of plants, trees, and flowers. The garden also hosts a variety of events throughout the year, including concerts, festivals, and special exhibits.

In conclusion, whether you are interested in natural wonders, cultural experiences, or just want to explore the bustling city of Seattle, King County, Washington offers a wealth of tourist attractions that are sure to delight and inspire you.

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.

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