Mount Rainier National Park weather in December (Washington State, United States of America)

What is the weather forecast for Mount Rainier National Park in December? Check out this detailed guide to the month’s weather conditions.

Temperatures

The typical weather for December in Mount Rainier National Park includes very low temperatures and heavy snowfall. The winter season takes place during December. In the daytime, temperatures tend to hover near -6°C, cooling down at night to around -13°C. Expect the coldest temperatures of the year this month. Make sure you have enough winter clothing to stay warm.

Precipitation

Mount Rainier National Park in December falls under the rainy season with heavy snowfall, averaging around 532 mm for the month. Typically around 25 days days of snowfall are expected.

Average sunshine

The city usually sees around 61 hours of sunlight, indicating fewer sunny days.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Mount Rainier National Park . July and August typically offer the best circumstances. While January, February, March, April, May, June, September, October, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Mount Rainier National Park climate page with graphs.

 

Mount Rainier National Park , monthly averages in December

Min Temperature -13°C  

Max Temperature -6°C  

Chance of Rain 83%  

Precipitation 532 mm  

Rainy days 25 days  

Sunshine 61 hours *  

Percentage Sunshine 23% *  

Data from: Tacoma, the United States of America (68 KM, 42 Miles).

Where to go in the United States of America in December

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

Visitors traveling to Mount Rainier National Park should plan on bringing winter clothes, snow boots and a warm winter coat. There will be periods of snow.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Camping

1/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Mount Rainier National Park .

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.