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Seattle, Washington Climate Averages

Lat: 47.61N, Lon: 122.33W
Wx Zone: WAZ558
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Seattle Monthly Averages

     <-- 12 Month Weather Scroll -->
January
February
March
April
May
June
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August
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October
November
December
Hi 47°F Lo 38°F Hi 49°F Lo 38°F Hi 53°F Lo 38°F Hi 58°F Lo 38°F Hi 66°F Lo 38°F Hi 71°F Lo 38°F Hi 81°F Lo 38°F Hi 81°F Lo 38°F Hi 73°F Lo 38°F Hi 62°F Lo 38°F Hi 51°F Lo 38°F Hi 45°F Lo 38°F
6 mph 6 mph 7 mph 6 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 6 mph 6 mph
5.9 in 4 in 5.5 in 3.8 in 2.6 in 1.5 in 0.5 in 0.7 in 2.1 in 4.4 in 6.4 in 5.2 in
84% 81% 79% 75% 71% 69% 66% 65% 69% 76% 80% 83%
57% 57% 58% 52% 43% 42% 26% 25% 34% 46% 59% 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
11 8 8 9 14 15 22 22 17 13 8 11
18 18 21 19 16 13 7 8 11 16 20 19
1 2 1 0 0 0 0 0 0 0 1 1
3 2 1 2 2 2 2 0 1 1 1 3
2 2 3 4 4 5 5 4 4 3 2 2
135 156 170 191 270 317 352 285 231 198 114 129
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