United StatesAverage weather for Olympic National Park in December
It's cold in December in Olympic National Park with an average temperature of 8°C. Temperatures this month range from a low of 6°C to a high of 9°C. At night, you can expect temperatures between 2°C and 5°C.
Start of December
The month of December starts in Olympic National Park with cold temps, averaging around 9°C during the day and nights around 4°C. There are plenty of days with a good chance of precipitation.
Mid December
By mid-December, daytime temps drop to around 8°C, with nights around 4°C. There’s a high chance of precipitation during this time.
End of December
By the end of December, the average daytime temperature in Olympic National Park is around 7°C, while nighttime temps are about 3°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
In December, there is an average of 181 mm of precipitation, spread over 19 days. Of the total precipitation, about 34 cm falls as snow in December. The wind speed is around 3 Bft, mostly coming from the South.
Olympic National Park in December |
New York | ||
|---|---|---|---|
 Average temperature |
8°C | 9°C | |
 Max. temperature |
9°C | 12°C | |
| Min. temperature |
6°C | -5°C | |
 Total precipitation |
181 mm | 133 mm | |
| Rainy days |
19 days | 17 days | |
 Total snowfall |
34 cm | 9,7 cm | |
| Snowy days |
14 days | 3 days | |
November
UV index
The UV index is a maximum of 2 this month. That's a low value on the intensity scale of 1 to 11. The risk of sunburn is minimal at this time.
Is December a good time to visit Olympic National Park?
Looking for sun? December isn’t a good month to be in Olympic National Park. There’s too much chance of rain this month.
Temperature records
With 18°C in 2018, Olympic National Park reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was -4°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of -8°C to a highest value of 10°C.
Check out the climate of Olympic National Park for all months and discover the best travel time
Daily Temperature in December in Olympic National Park
This chart shows the average daily high and low temperatures in December for Olympic National Park, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in December in Olympic National Park
The chart below shows the average daily precipitation in December for Olympic National Park, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for December, you can expect about 19 days of precipitation in Olympic National Park.
Daily Snowfall in December in Olympic National Park
This chart shows the average daily snowfall in December in Olympic National Park, measured in centimeters. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in December.
Daily UV index in December in Olympic National Park
This chart shows the average daily UV index in December in Olympic National Park, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in December in Olympic National Park over the years
This chart shows the average temperature in December in Olympic National Park, measured in degrees Celsius, over the past few years.
Total precipitation in December in Olympic National Park over the years
This chart shows the average precipitation in December in Olympic National Park, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Snowfall in December in Olympic National Park per year
This chart shows the average snowfall in December in Olympic National Park, measured in centimeters, over the past few years.
Daily weather in December for Olympic National Park
Click on any day in December to get detailed info about the usual weather on that day in Olympic National Park. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Olympic National Park
Have you been to Olympic National Park in December?
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Average weather in Olympic National Park by month
Click on a month below to see detailed weather info for Olympic National Park. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Olympic National Park for all months at once
