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North Cascades National Park (WA) Climate by Month

The graphs below provide an overview of the climate in North Cascades National Park (Washington State), the United States of America. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Forecast for North Cascades National Park (WA)

Tue   Nov 05
4°C | -5°C
SW 7 km/h
0.9 mm
broken clouds and small chance of slight sleet

broken clouds and small chance of slight sleet

Wed   Nov 06
6°C | -6°C
SW 4 km/h
clear and no rain

clear and no rain

Thu   Nov 07
11°C | -2°C
SW 4 km/h
partly cloudy and no rain

partly cloudy and no rain

The best time of year to visit North Cascades National Park in the United States of America

During the months of July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • When is winter in North Cascades National Park?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in North Cascades National Park?
    August has an average maximum temperature of 21°C and is the warmest month of the year.
  • Which is the coldest month in North Cascades National Park?
    The coldest month is December with an average maximum temperature of 1°C.
  • Which is the wettest month in North Cascades National Park?
    November tops the wettest month list with 480 mm of rainfall.
  • Which is the driest month in North Cascades National Park?
    July is the driest month with 47 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.