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Temperatures in December
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Washington State temperatures in December

Washington State is a region in the United States of America. December in has maximum daytime temperatures ranging from very low in Mount Rainier National Park with -6°C to low temperatures in Ilwaco with 9°C. Nighttime temperatures generally drop to 3°C in Ilwaco and -13°C in Mount Rainier National Park . In December, it is winter. On average, it is one of the coldest months of the year.

What is the temperature of the different cities in Washington State in December?

Discover the typical December temperatures for the most popular locations of Washington State on the map below. Detailed insights are just a click away.

Weather conditions Weather
Temperatures
Precipitation
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Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

  • What is the warmest city in December in Washington State?
    • According to our recent database analysis, Ilwaco is the warmest city. It experiences an average maximum daytime temperature of approximately 9°C and rarely drops below 3°C during the night.

  • What is the coldest city in December in Washington State?
    • In our database, Mount Rainier National Park is the chilliest city in December in Washington State. Daytime temperatures typically peak at -6°C, while the nighttime lows hover around -13°C.

  • How much sun does Washington State get in December?
    • Seattle experiences limited sunny days, amounting to roughly 54 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days

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