Mount Rainier National Park (WA) Weather and Climate: A Comprehensive Guide
The temperature in Mount Rainier National Park can vary greatly throughout the year.
The temperatures shift from cold
to very cold.
It also experiences much rain/snowfall throughout the year.
Let’s explore the climate details in depth to provide you with a complete overview.
Average maximum day and minimum night temperature
Depending on the time of the year, temperatures range from chilly to very cold in Mount Rainier National Park . Average daytime temperatures reach a chilly 11°C in July. In February, the coolest month of the year, temperatures drop to a very cold -6°C.
At night, you can expect cooler temperatures, with averages dropping to around -13°C during this month. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Mount Rainier National Park has a relatively rain/snowy climate with high precipitation levels, averaging 3498 mm of rain/snowfall annually. Mount Rainier National Park can be quite wet during March, receiving approximately 539 mm of precipitation over 27 snowy/rainy days. In contrast July, experiences much drier conditions, with 32 mm of rainfall, spread across 8 rainy days. For more details, please visit our Mount Rainier National Park Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Mount Rainier National Park can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 10.4 hours of sunshine daily. In contrast, the city experiences much darker days in November, with only 2.0 hours of sunlight per day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
partly cloudy and slight snow broken clouds and slight snow overcast and slight snowForecast for Mount Rainier National Park (WA)
8 m/s
1 m/s
1 m/s
The best time of year to visit Mount Rainier National Park in the United States of America
Other facts from our historical weather data:July has an average maximum temperature of 11°C and is the warmest month of the year.
The coldest month is December with an average maximum temperature of -6°C.
March tops the wettest month list with 539 mm of rainfall.
July is the driest month with 32 mm of precipitation.
July is the sunniest month with an average of 312 hours of sunshine.
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.
