Olympic National Park
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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.

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).

Olympic National Park Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Olympic National Park - and find the best time to visit.

Best Places 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. See all of the United States of America in December →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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

Olympic National Park 3-Day Forecast

More climate data for Olympic National Park

Popular in December

Where to go in December - average daytime high across popular destinations.

Bucket list

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