Mount St. Helens, Washington, United States of America: What to pack, what to wear, and when to go [2023]

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Ready to pack for Mount St. Helens, Washington, United States of America? If you're planning to go to Mount St. Helens, I have some important information about when to go, what to wear, and what to pack.

Contents

When to go to Mount St. Helens, Washington, United States of America

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

What to wear/what to pack for Mount St. Helens, Washington, United States of America

Already know when you're traveling?

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

What to wear/what to pack for Mount St. Helens, Washington, United States of America by month

January

In January, Mount St. Helens is brisk. 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 low 30s F (single digits C). This is also a rainy time for Mount St. Helens, 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 peace of mind, an anti-theft backpack protects your belongings.

  • Voice and data SIM card

    A SIM card that works in Mount St. Helens. 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 bags nowadays, an AirTag can find 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

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Be sure to get the right type. A lot of adapters on sale are simply plugs and require your electronics to convert the voltage themselves. If yours can't do that they could get destroyed. This one works in most countries.

  • Travel neck support pillow

    What we like is this one

February

If you go to Mount St. Helens in February, you will notice that it is pretty cool. Expect it to rain or snow about half of the time. Daytime temperatures are in the low 50s F (low 10s 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.

  • AirTag to track your luggage

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

  • Anti-theft backpack

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

  • Voice and data SIM card

    A SIM card that works in Mount St. Helens. 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

  • Power bank for devices

    A portable power bank, like this one

  • Travel pillow

    A good option is this one

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Take care to choose the necessary kind. A lot of adapters that you can buy are simply plugs and expect your electronics to convert the voltage themselves. If your electronics can't do that they could get fried. This one works in most areas.

  • Luggage scale to avoid fees

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

March

March in Mount St. Helens can be chilly. The rain can amount to several inches/centimeters. During this time, temperatures average in the 40s F (single digits C) to 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

  • Voice and data SIM card

    A SIM card that works in Mount St. Helens. 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 things recently, an AirTag can help you 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 bit of protection, an anti-theft backpack protects your things.

Comfort + Essentials

  • Power bank for devices

    A portable power bank, like this one

  • Plug adapter

    A plug adapter that supports outlet types A and B. Make sure to get the necessary type. A lot of adapters available online are just plug changers and require your electronics to adjust the voltage themselves. If yours can't do that they could get fried. This one should work in most locations.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel neck support pillow

    A good option is this one

  • Luggage scale to avoid fees

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

April

Traveling to Mount St. Helens in April, you will notice that it is relatively cool. Expect it to rain about half of the time. Daytime temperatures are in the low 60s F (mid 10s 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 Mount St. Helens. 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 things.

  • AirTag to track your luggage

    With airports constantly losing things these days, an AirTag can help you find it anywhere in the world: AirTag for iPhones.

Comfort + Essentials

  • Travel pillow

    What we like 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

  • 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. It's important that you find the correct type. Many adapters on sale are simply plugs and require your electronics to change the voltage themselves. If your devices can't do that they could burn up. This one is sufficent for most countries.

May

May here is mild. Temperatures average in the high 60s F (low 10s 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 peace of mind, an anti-theft backpack protects your belongings.

  • AirTag to track your luggage

    With airlines always losing bags these days, an AirTag can help you locate it anywhere on earth: 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 Mount St. Helens. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials

  • Voltage adapter

    A plug adapter that supports outlet types A and B. Ensure that you choose the necessary type. The vast majority of adapters on sale are simply plugs and require your devices to change the voltage themselves. If your electronics can't do that they could burn up. This one should work in most areas.

  • Power bank for devices

    A portable power bank, like this one

  • Travel pillow

    Our fave is this one

  • Luggage scale to avoid fees

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

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

June

If you go to Mount St. Helens in June, you will notice that it is mild. 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

  • 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 Mount St. Helens. 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.

  • AirTag to track your luggage

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

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. Save money with this

  • 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. Be sure to get the correct kind. Many adapters on sale are just plugs and expect your devices to adjust the voltage themselves. If your devices can't do that they could get fried. This one should be sufficient for most locations.

  • Travel pillow

    What we like is this one

July

Traveling to Mount St. Helens in July, you will notice that it is a perfect temperature. Expect it to rain once in a while. Daytime temperatures are in the high 70s F (mid 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 belongings.

  • 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 Mount St. Helens. 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 bags nowadays, an AirTag can locate it anywhere on earth: AirTag for iPhones.

Comfort + Essentials

  • 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 get the correct kind. Many adapters on sale are simply plugs and expect your devices to adjust the voltage themselves. If yours can't do that they could burn up. This one is sufficent for most countries.

  • 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. Avoid surcharges with this

  • Travel neck support pillow

    An excellent option is this one

August

If you visit Mount St. Helens during August, you are likely to see that it is a perfect temperature. Temperatures tend to hover around the high 70s F (mid 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:

Clothes + Footwear
Health
Safety + Security

  • Anti-theft backpack

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

  • AirTag to track your luggage

    With airlines constantly losing things recently, an AirTag can help you find 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 Mount St. Helens. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials

  • Travel neck pillow

    A top rated pillow is this one

  • Luggage scale to avoid fees

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

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Ensure that you get the necessary type. A lot of adapters that you can buy are simply plugs and expect your devices to change the voltage themselves. If your electronics can't do that they could get fried. This one works in most countries.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

September

Traveling to Mount St. Helens in September, you will notice that it is a perfect temperature. 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 bit of protection, an anti-theft backpack protects your things.

  • Voice and data SIM card

    A SIM card that works in Mount St. Helens. 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 these days, an AirTag can find it anywhere anywhere: AirTag for iPhones.

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 voltage adapter

    A plug adapter that supports outlet types A and B. Ensure that you find the correct kind. Many adapters for sale now are simply plug changers and require your electronics to convert the voltage themselves. If yours 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

  • Luggage scale to avoid fees

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

October

If you vacation in Mount St. Helens during October, you will probably notice that it is relatively cool. Temperatures tend to hover around the low 60s F (high 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.

  • AirTag to track your luggage

    With airports frequently losing things these days, an AirTag can help you locate it anywhere on earth: AirTag for iPhones.

  • Anti-theft backpack

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

  • Voice and data SIM card

    A SIM card that works in Mount St. Helens. 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. Avoid penalties with this

  • Travel adapter

    A plug adapter that supports outlet types A and B. Be sure to find the correct kind. Most adapters currently available are simply plugs and expect your electronics to adjust the voltage themselves. If yours can't do that they could get fried. This one is sufficent for most locations.

  • Travel pillow

    What we like 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

November

November in Mount St. Helens is cold. The average overnight temperatures in the area are in the high 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.

  • AirTag to track your luggage

    With airports constantly losing bags recently, an AirTag can locate it anywhere in the world: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in Mount St. Helens. 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

  • Power bank for devices

    A portable power bank, like this one

  • Plug adapter

    A plug adapter that supports outlet types A and B. Check that you find the right kind. Most adapters currently being sold are just plug changers and require your electronics to adjust the voltage themselves. If yours can't do that they could burn up. This one should work in most areas.

  • 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

  • Travel neck pillow

    A versatile choice is this one

December

In December, Mount St. Helens is cold. Temperatures routinely are in the 40s F (single digits C) and a bit less than half of the time jump into the low 50s F (single digits C) range. At night, lows are in the 30s F (single digits C). This is also a rainy time for Mount St. Helens, with more than half 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.

  • Anti-theft backpack

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

  • 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 Mount St. Helens. 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

  • Power bank for devices

    A portable power bank, like this one

  • Travel neck pillow

    An excellent option is this one

  • Voltage adapter

    A plug adapter that supports outlet types A and B. It's important that you choose the right type. The majority of adapters currently being sold are just plugs and expect your devices to adjust 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 excessive amounts for overweight luggage. Avoid surcharges 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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