December Rainfall and Precipitation in Washington State
Average rainfall, rainy days and the driest cities in Washington State, the United States of America in December.
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Best Places to Visit in Washington State in December
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Monthly precipitation
0 mm (0 in) dry → 150 mm (5.9 in) wet
Marker color shows total monthly precipitation in December: pale blue is dry, deep blue is wet.
Washington State precipitation in December: frequently asked questions
How much rainfall does Washington State, the United States of America receive in December?
December in Seattle is marked by substantial rain, totaling an average of 143 mm (5.6 in). Rapid weather changes are common due to the frequent precipitation.
How many days does it rain in Washington State, the United States of America in December?
On average, Seattle has about 20 days days of rain in December.
Is December part of the rainy season in Washington State, the United States of America?
December is generally a drier month for Washington State, the United States of America, falling outside the main rainy season.
What is the wettest city in December in Washington State, the United States of America?
In our database, Mount Rainier National Park stands out as having an average snowfall level of 532 mm (21 in), making it the wettest location.
What is the driest city in December in Washington State, the United States of America?
Based on our database, Richland sees the least snow/rainfall in Washington State, the United States of America in December, with around 29 mm (1.1 in) on average.
Interested in more climate information?
We have much more information about the climate in Washington State.
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