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.