Seattle-Tacoma International Airport, Washington, United States of America: What to pack, what to wear, and when to go [2023]

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Ready to pack for Seattle-Tacoma International Airport, Washington, United States of America? If you're planning to go to Seattle-Tacoma International Airport, this is some important information about when to go, what to wear, and what to pack.

Contents

When to go to Seattle-Tacoma International Airport, Washington, United States of America

Based on the climate and weather in Seattle-Tacoma International Airport, Washington, United States of America, the best time to go is July. See below for details.

What to wear/what to pack for Seattle-Tacoma International Airport, Washington, United States of America

Already know when you're traveling?

Here are some general tips on what to wear in Seattle-Tacoma International Airport, as well as several items to remember to pack when traveling there.

What to wear/what to pack for Seattle-Tacoma International Airport, Washington, United States of America by month

January

January in Seattle-Tacoma International Airport can be very chilly 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 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
  • Money/passport pouch

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

  • Anti-theft backpack

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

  • AirTag to track your luggage

    With airlines frequently losing bags these days, an AirTag can locate it anywhere anywhere: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in Seattle-Tacoma International Airport. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials
  • Travel neck support pillow

    A top rated pillow is this one

  • Power bank for devices

    A portable power bank, like this one

  • Voltage adapter

    A plug adapter that supports outlet types A and B. Ensure that you find the correct type. Most adapters available are just plug changers and expect your devices to change the voltage themselves. If yours can't do that they could get destroyed. This one works in most locations.

  • Luggage scale to avoid fees

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

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

February

In February, Seattle-Tacoma International Airport is cold 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 few inches of snow. This is also a rainy time for Seattle-Tacoma International Airport, with more than half of the days of the month having rain.

What to wear/what to pack:

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

    With airports constantly losing bags these days, an AirTag can help you find it anywhere anywhere: AirTag for iPhones.

  • 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 Seattle-Tacoma International Airport. A good global SIM card works in most countries, but check the country list before buying.

  • Anti-theft backpack

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

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

  • Travel pillow

    An excellent option is this one

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Ensure that you get the correct type. The vast majority of adapters available are just plug changers and expect your electronics to change the voltage themselves. If yours can't do that they could get destroyed. This one should work in most locations.

  • Luggage scale to avoid fees

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

March

If you vacation in Seattle-Tacoma International Airport during March, you are likely to notice that it can be brisk and very rainy. Temperatures tend to hover around the 50s F (low 10s 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:

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

    A SIM card that works in Seattle-Tacoma International Airport. 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.

  • AirTag to track your luggage

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

  • Anti-theft backpack

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

Comfort + Essentials
  • Power bank for devices

    A portable power bank, like this one

  • Voltage adapter

    A plug adapter that supports outlet types A and B. Be careful to pick the correct type. Most adapters available are simply plugs and require your devices to convert the voltage themselves. If yours can't do that they could get fried. This one should be sufficient for most locations.

  • Travel neck support pillow

    What we like is 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

April

In April, Seattle-Tacoma International Airport can be 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 Seattle-Tacoma International Airport, 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 airlines always losing luggage nowadays, an AirTag can help you locate 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 Seattle-Tacoma International Airport. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials
  • Luggage scale to avoid fees

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

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Be careful to choose the necessary kind. Many adapters available are just plugs and expect your electronics to change the voltage themselves. If yours can't do that they could burn up. This one works in most countries.

  • 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 pillow

    A good option is this one

May

May in Seattle-Tacoma International Airport can be chilly and somewhat rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the 50s F (low 10s C) to 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 airlines frequently losing luggage recently, an AirTag can find it anywhere in the world: AirTag for iPhones.

  • Anti-theft backpack

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

  • Voice and data SIM card

    A SIM card that works in Seattle-Tacoma International Airport. 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
  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

  • Voltage adapter

    A plug adapter that supports outlet types A and B. It's important that you get the correct type. The majority of adapters currently sold are simply plug changers and expect your electronics to change the voltage themselves. If your electronics can't do that they could burn up. This one should work in most locations.

  • Luggage scale to avoid fees

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

  • Travel neck pillow

    A good option is this one

June

If you visit Seattle-Tacoma International Airport during June, you are likely to notice that it is mild. Temperatures tend to hover around the low 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 5-10 days this month.

What to wear/what to pack:

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

    With airlines constantly losing luggage nowadays, an AirTag can find it anywhere anywhere: AirTag for iPhones.

  • 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 Seattle-Tacoma International Airport. 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.

Comfort + Essentials
  • Travel neck pillow

    A good option is this one

  • Travel adapter

    A plug adapter that supports outlet types A and B. Check that you find the right type. A lot of adapters currently sold are just plugs and require your devices to convert the voltage themselves. If your devices can't do that they could get fried. This one is sufficent for most places.

  • 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

  • Power bank for devices

    A portable power bank, like this one

July

If you are traveling to Seattle-Tacoma International Airport in July, you will notice that it is warm. Expect it to rain occasionally. Daytime temperatures are in the 70s F (mid 20s 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 stuff.

  • 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 Seattle-Tacoma International Airport. A good global SIM card works in most countries, but check the country list before buying.

  • AirTag to track your luggage

    With airlines constantly losing bags recently, an AirTag can help you locate it anywhere anywhere: AirTag for iPhones.

Comfort + Essentials
  • Luggage scale to avoid fees

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

  • Power bank for devices

    A portable power bank, like this one

  • Travel neck pillow

    Our fave is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Voltage adapter

    A plug adapter that supports outlet types A and B. Make sure to pick the correct type. The majority of adapters that you can buy are just plug changers and expect your electronics to convert the voltage themselves. If your electronics can't do that they could get fried. This one is sufficent for most areas.

August

Traveling to Seattle-Tacoma International Airport in August, you will notice that it is warm. Expect it to rain sometimes. Daytime temperatures are in the 70s F (mid 20s C).

What to wear/what to pack:

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

    A SIM card that works in Seattle-Tacoma International Airport. A good global SIM card works in most countries, but check the country list before buying.

  • AirTag to track your luggage

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

  • Money/passport pouch

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

  • Anti-theft backpack

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

Comfort + Essentials
  • Power bank for devices

    A portable power bank, like this one

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. It's important that you choose the correct kind. The vast majority of adapters available are simply plug changers and expect your electronics to convert the voltage themselves. If yours can't do that they could get destroyed. This one is sufficent for most locations.

  • Travel neck support pillow

    A top rated pillow is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

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

September

If you go to Seattle-Tacoma International Airport in September, you will notice that it is balmy. Expect it to rain a bit less than half of the time. Daytime temperatures are in the low 70s F (low 20s C).

What to wear/what to pack:

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

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

  • 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 Seattle-Tacoma International Airport. A good global SIM card works in most countries, but check the country list before buying.

  • AirTag to track your luggage

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

Comfort + Essentials
  • Travel pillow

    A good option is this one

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Be sure to choose the correct kind. The majority of adapters currently being sold are simply plug changers and require your electronics to change the voltage themselves. If your electronics can't do that they could get fried. This one works in most locations.

  • 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 huge penalties for overweight luggage. Avoid penalties with this

October

October in Seattle-Tacoma International Airport 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 a third of the time.

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.

  • AirTag to track your luggage

    With airlines constantly losing bags recently, 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 Seattle-Tacoma International Airport. 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
  • 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. Be careful to choose the right kind. The majority of adapters currently sold are just plug changers and require your electronics to adjust the voltage themselves. If your electronics can't do that they could get destroyed. This one should be sufficient for most locations.

  • Travel pillow

    Our favorite is this one

  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

November

November in Seattle-Tacoma International Airport can be very chilly and very 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:

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

    A SIM card that works in Seattle-Tacoma International Airport. A good global SIM card works in most countries, but check the country list before buying.

  • AirTag to track your luggage

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

  • Money/passport pouch

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

  • Anti-theft backpack

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

Comfort + Essentials
  • Luggage scale to avoid fees

    Airlines charge excessive prices for overweight luggage. Save money with this

  • 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 voltage adapter

    A plug adapter that supports outlet types A and B. Ensure that you pick the necessary type. The vast majority of adapters currently available are just plugs and require your electronics to adjust the voltage themselves. If yours can't do that they could burn up. This one works in most countries.

  • Travel pillow

    Our favorite is this one

December

December in this region is cold and very rainy. Temperatures average in the 40s F (single digits C) during the day. It rains about half of the time.

What to wear/what to pack:

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

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

  • AirTag to track your luggage

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

  • 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 Seattle-Tacoma International Airport. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials
  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Ensure that you choose the correct type. The majority of adapters on sale are just plug changers and expect your devices to adjust the voltage themselves. If your electronics can't do that they could get destroyed. This one should be appropriate for most locations.

  • 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 pillow

    A versatile choice is this one

  • Luggage scale to avoid fees

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

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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