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What is the weather like in Seattle, WashingtonSeattle, Washington monthly and yearly climate averages.

Seattle, Washington Climate Averages

Monthly and yearly weather averages for Seattle, WashingtonWeather almanac for Seattle, WA. Seattle monthly weather averages.
Lat: 47.61N, Lon: 122.33W
Wx Zone: WAZ558Web Search

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Seattle Monthly Averages

      12 Month Weather Scroll
January
February
March
April
May
June
July
August
September
October
November
December
Hi 45°F Lo 35°F Hi 46°F Lo 35°F Hi 51°F Lo 37°F Hi 56°F Lo 40°F Hi 65°F Lo 44°F Hi 70°F Lo 48°F Hi 77°F Lo 52°F Hi 77°F Lo 54°F Hi 71°F Lo 51°F Hi 59°F Lo 45°F Hi 49°F Lo 39°F Hi 43°F Lo 34°F
5 mph 5 mph 5 mph 5 mph 4 mph 4 mph 4 mph 4 mph 4 mph 4 mph 5 mph 5 mph
0.3 in 0.2 in 0.2 in 0.2 in 0.1 in 0.1 in 0 in 0.1 in 0.1 in 0.2 in 0.2 in 0.3 in
85% 84% 82% 79% 74% 72% 67% 69% 72% 78% 83% 84%
58% 57% 55% 53% 45% 45% 29% 27% 35% 44% 56% 57%
30.6 in 30.5 in 30.5 in 30.5 in 30.5 in 30.5 in 30.5 in 30.5 in 30.5 in 30.5 in 30.5 in 30.6 in
17 16 16 17 20 20 26 26 22 19 15 18
11 9 12 9 8 8 4 3 6 9 11 11
1 2 0 0 0 0 0 0 0 0 0 1
10 10 10 11 11 11 6 6 7 8 8 9
2 2 3 3 4 5 6 4 4 3 2 2
389 405 554 640 832 877 1005 945 754 591 389 382
Month
Avg. Temperatures
Avg. Wind Speed
Avg. Precipitation
Average Humidity
Avg. Cloud Cover
Barometric Pressure
Average Dry Days
Avg. Precip. Days
Average Snow Days
Average Fog Days
Average UV Index
Avg. Hours of Sun
Averages are based on historical weather data from the past 10 years.