Olympic National Park Weather in December

December in Olympic National Park sees daytime temperatures around 2°C (36°F) and lows of -3°C (27°F) at night. Being part of the rainy season, heavy snow/rainfall is a regular part of the day, so pack accordingly.

Rainfall in Olympic National Park in December

Olympic National Park is in the rainy season in December, with rain on around 24 days and an average of 317 mm (12 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.

Temperature in Olympic National Park in December

In December, Olympic National Park gets low temperatures, with highs of 2°C (36°F). Nights cool to around -3°C (27°F). December is known for being in the winter season. Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. At -3°C (27°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. This is usually the coldest month of the year, so be sure to prepare with plenty of winter gear.

Sunshine in Olympic National Park in December

This month sees fewer sunny days, with about 70 hours of sunshine, perfect for those who enjoy cooler temperatures.

December in Olympic National Park has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

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• January
• February
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For a detailed overview over the year and the best time to visit the United States of America, check out our Olympic National Park's climate page.

Olympic National Park Temperature in December

Min Temperature -3°C (27°F)  

Max Temperature 2°C (36°F)  

Chance of Rain 78%  

Precipitation 317 mm (12 in)  

Rainy days 24 days  

Humidity 78% *  

Sunshine 70 hours *  

Percentage Sunshine 27% *  

* Data from: Victoria, Canada (52 KM, 32 Miles).

What to Wear in Olympic National Park in December

Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in Olympic National Park in December

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

Swimming

4/10

Cycling

3/10

Walking

3/10

Camping

1/10

Outdoor sports

3/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Olympic National Park's climate page.

More climate data for Olympic National Park

Temperature Rainfall Sunshine Humidity

See the full Olympic National Park climate overview or explore weather in the United States of America.