Mount St. Helens, Washington, United States of America: What to pack, what to wear, and when to go [2018]

Traveling to Mount St. Helens, Washington, United States of America? If you're planning to go to Mount St. Helens, here is some important information about when to go, what to wear, and what to pack:

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

Based on the climate and weather in Mount St. Helens, 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 by month

January

January in Mount St. Helens can be brisk.

The rain/snow can amount to several inches/centimeters. During this time, temperatures average in the 40s F (single digits C), although night temperatures can dip into the low 20s F (single digits below 0 C).

What to wear/what to pack:

Socks
Light gloves or mittens
Fleeces
Standard footwear
Umbrella
Jacket or coat
Waterproof coat
Waterproof boots
Warm pants or jeans

February

February in Mount St. Helens can be brisk.

The rain can amount to several inches/centimeters. During this time, temperatures average in the 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:

Light gloves or mittens
Waterproof coat
Socks
Waterproof boots
Umbrella
Warm pants or jeans
Standard footwear
Fleeces
Jacket or coat

March

In March, Mount St. Helens is crisp. Temperatures routinely are in the 50s F (low 10s C) and regularly jump into the low 60s F (mid 10s 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:

Socks
Waterproof footwear
Standard footwear
Umbrella
Jacket or coat
Fleeces
Waterproof luggage
Rain coat
Warm pants or jeans
Light gloves or mittens

April

In April, Mount St. Helens is chilly. Temperatures routinely are in the low 60s 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 high 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:

Socks
Light gloves or mittens
Waterproof footwear
Umbrella
Rain coat
Jacket or coat
Standard footwear
Waterproof luggage
Fleeces
Warm pants or jeans

May

If you vacation in Mount St. Helens during May, you are likely to find that it is mild.

Temperatures tend to hover around the high 60s F (low 10s C) during the day, while at night they can dip into the 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:

Rain coat
Pants or jeans
Umbrella
Dresses
Standard footwear
Long sleeve shirts or blouses
Long skirts
Waterproof footwear
Waterproof luggage
Light jacket or fleece
Socks

June

June in Mount St. Helens is mild. Temperatures average in the low 70s F (low 20s C) during the day. It rains 5-10 days this month.

What to wear/what to pack:

Umbrella
Dresses
Sandals
Rain coat
Shorts or short pants
Light footwear
Long and short sleeve shirts
Waterproof luggage
Waterproof footwear
Sunscreen lotion
Skirts

July

If you visit Mount St. Helens during July, you are likely to find 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 occasionally.

What to wear/what to pack:

Dresses
Long and short sleeve shirts
Sandals
Skirts
Light footwear
Sunscreen lotion
Umbrella
Shorts or short pants
Rain coat
Waterproof footwear
Waterproof luggage

August

Traveling to Mount St. Helens in August, you will notice that it is warm. Expect it to rain sometimes. Daytime temperatures are in the high 70s F (mid 20s C).

What to wear/what to pack:

Long and short sleeve shirts
Rain coat
Sunscreen lotion
Skirts
Light footwear
Sandals
Shorts or short pants
Waterproof footwear
Umbrella
Waterproof luggage
Dresses

September

September in Mount St. Helens is a perfect temperature.

The rain can amount to several inches/centimeters.

During this time, temperatures average in the low 60s F (mid 10s C) to low 70s F (low 20s C), although night temperatures can dip into the low 40s F (single digits C).

What to wear/what to pack:

Light footwear
Sandals
Waterproof luggage
Long and short sleeve shirts
Rain coat
Skirts
Waterproof footwear
Dresses
Umbrella
Shorts or short pants
Sunscreen lotion

October

In October, Mount St. Helens can be chilly. Temperatures routinely are in the low 60s F (high 10s C) and occasionally jump into the low 70s F (low 20s C) range.

At night, lows are in the low 40s F (single digits C). This is also a rainy time for Mount St. Helens, with several of the days of the month having rain.

What to wear/what to pack:

Standard footwear
Rain coat
Waterproof luggage
Waterproof footwear
Dresses
Pants or jeans
Socks
Umbrella
Long sleeve shirts or blouses
Light jacket or fleece
Long skirts

November

November in Mount St. Helens can be brisk.

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:

Fleeces
Rain coat
Light gloves or mittens
Umbrella
Socks
Standard footwear
Warm pants or jeans
Waterproof luggage
Waterproof footwear
Jacket or coat

December

If you vacation in Mount St. Helens during December, you are likely to find that it is cold.

Temperatures tend to hover around the 40s F (single digits C) during the day, while at night they can dip into the 30s F (single digits C).

In terms of precipitation, you can expect it to rain or snow/sleet most days.

What to wear/what to pack:

Umbrella
Waterproof boots
Fleeces
Waterproof coat
Light gloves or mittens
Socks
Jacket or coat
Warm pants or jeans
Standard footwear

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

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.

A plug adadpter that supports outlet types A and B
A SIM card that works in Mount St. Helens

Check out our guides for these other locations: Dartmouth, Massachusetts, United States of America, Bredbo, Australian Capital Territory, Australia, Ichinomiya, Japan, Sehwan, Pakistan, Amandola, Italy, Kotka, Finland, Saugerties, New York, United States of America, Águas de Lindóia, Minas Gerais, Brazil, Schull, Ireland, Belarus, Belarus, and Burghausen, Germany.