January Weather in Seattle Washington, United States
The average sliding 31-day snowfall during January in Seattle is decreasing, starting the month at 1. 8 inches, when it rarely exceeds 6. 4 inches or falls below -0. 0 inches, and ending the month at 0. 6 inches, when it rarely exceeds 1. 6 inches or falls below -0. 0 inches.
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