Northwest Cascades, Washington, United States of America: What to pack, what to wear, and when to go [2018]

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

When to go to Northwest Cascades, Washington, United States of America

Based on the climate and weather in Northwest Cascades, the best time to go is August. See below for details.

What to wear/what to pack for Northwest Cascades, Washington, United States of America by month

January

If you visit Northwest Cascades during January, you are likely to find that it can be brisk and very rainy. Temperatures tend to hover around the low 40s F (single digits C) during the day, while at night they can dip into the low 30s F (single digits C).

Humidity is generally between 70 and 80% during the day. In terms of precipitation, you can expect it to rain about two thirds of the time and snow occasionally.

What to wear/what to pack:

  • Waterproof boots
  • If you plan to ski, ski equipment
  • Warm pants or jeans
  • Fleeces
  • Waterproof coat
  • Jacket or coat
  • Socks
  • Umbrella
  • Light gloves or mittens
  • Standard footwear

February

If you visit Northwest Cascades during February, you are likely to find that it is cold and somewhat rainy. Temperatures tend to hover around the high 40s F (single digits C) during the day, while at night they can dip into the low 30s F (single digits C).

Humidity is generally between 60 and 70% during the day. In terms of precipitation, you can expect it to rain about half of the time.

What to wear/what to pack:

  • Standard footwear
  • Light gloves or mittens
  • Fleeces
  • Jacket or coat
  • Warm pants or jeans
  • Umbrella
  • Waterproof boots
  • If you plan to ski, ski equipment
  • Socks
  • Waterproof coat

March

March in Northwest Cascades is cold and very rainy. Temperatures average in the low 50s F (low 10s C) during the day. It rains about two thirds of the time.

What to wear/what to pack:

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

April

April in Northwest Cascades is chilly and somewhat rainy. The rain can amount to several inches/centimeters.

During this time, temperatures average in the high 40s F (single digits C) to high 50s F (mid 10s C), although night temperatures can dip into the 30s F (single digits C).

What to wear/what to pack:

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

May

May in Northwest Cascades is crisp and somewhat 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. But the colder weather doesn't bring low humidity, which is in the 50% to 60% range on average.

What to wear/what to pack:

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

June

In June, Northwest Cascades is mild and somewhat rainy. Temperatures routinely are in the high 60s F (low 20s C) range. At night, lows are in the high 40s F (single digits C).

This is also a rainy time for Northwest Cascades, with several of the days of the month having rain. In June, humidity reaches as high as 60%.

What to wear/what to pack:

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

July

July in Northwest Cascades is balmy. The average overnight temperatures in the area are in the low 50s F (single digits C).

It tends to rain a bit less than half of the time. With the colder weather comes lower humidity, which is in the 50% to 60% range on average.

What to wear/what to pack:

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

August

August in Northwest Cascades is balmy. The average overnight temperatures in the area are in the low 50s F (single digits C).

It tends to rain regularly. With the colder weather comes lower humidity, which is in the 50% to 60% range on average.

What to wear/what to pack:

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

September

September in Northwest Cascades is balmy and somewhat rainy. The rain can amount to several inches/centimeters.

During this time, temperatures average in the high 60s F (low 20s C), although night temperatures can dip into the 30s F (single digits C).

What to wear/what to pack:

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

October

October in Northwest Cascades is crisp and somewhat rainy. The rain can amount to several inches/centimeters.

During this time, temperatures average in the low 50s F (single digits C) to high 50s F (mid 10s C), although night temperatures can dip into the 30s F (single digits C).

What to wear/what to pack:

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

November

If you visit Northwest Cascades during November, you are likely to find that it is brisk and very rainy. Temperatures tend to hover around the low 50s F (single digits C) during the day, while at night they can dip into the 30s F (single digits C).

Humidity is generally between 70 and 80% during the day. In terms of precipitation, you can expect it to rain about two thirds of the time.

What to wear/what to pack:

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

December

In December, Northwest Cascades can be brisk and very rainy. Temperatures routinely are in the 40s F (single digits C) and once in a while 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 Northwest Cascades, with more than half of the days of the month having rain. In December, humidity reaches as high as 80%.

What to wear/what to pack:

  • Standard footwear
  • If you plan to ski, ski equipment
  • Light gloves or mittens
  • Warm pants or jeans
  • Waterproof coat
  • Fleeces
  • Umbrella
  • Socks
  • Jacket or coat
  • Waterproof boots

Year-round what to wear/what to pack for Northwest Cascades, Washington, United States of America

Here are some general tips on what to wear in Northwest Cascades, 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 Northwest Cascades

Check out our guides for these other locations: Holyhead, Wales, United Kingdom, Somali, Ethiopia, Isle of Lismore, Scotland, United Kingdom, Höganäs, Sweden, Choroní, Venezuela, Nyungwe National Park, Rwanda, Clogherhead, Northern Ireland, Ireland, Keene, New Hampshire, United States of America, Adams County, Pennsylvania, United States of America, Pekanbaru, Indonesia, and Sharonville, Ohio, United States of America.