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What is the weather like in Issaquah, WashingtonIssaquah, Washington monthly and yearly climate averages.

Issaquah, Washington Climate Averages

Monthly and yearly weather averages for Issaquah, WashingtonWeather almanac for Issaquah, WA. Issaquah monthly weather averages.
Lat: 47.53N, Lon: 122.04W
Wx Zone: WAZ505
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Issaquah Monthly Averages

     <-- 12 Month Weather Scroll -->
January
February
March
April
May
June
July
August
September
October
November
December
Hi 44°F Lo 34°F Hi 45°F Lo 33°F Hi 50°F Lo 35°F Hi 55°F Lo 38°F Hi 64°F Lo 41°F Hi 69°F Lo 45°F Hi 76°F Lo 49°F Hi 76°F Lo 51°F Hi 70°F Lo 48°F Hi 59°F Lo 44°F Hi 48°F Lo 38°F Hi 42°F Lo 33°F
5 mph 5 mph 5 mph 4 mph 4 mph 4 mph 4 mph 3 mph 4 mph 4 mph 5 mph 5 mph
1.1 in 1.1 in 1 in 0.9 in 0.3 in 0.3 in 0.1 in 0.2 in 0.3 in 1.2 in 1.5 in 1.5 in
85% 85% 84% 81% 76% 75% 69% 71% 74% 80% 85% 85%
55% 56% 55% 54% 45% 44% 26% 26% 34% 45% 57% 56%
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 13 13 14 19 20 27 26 20 17 14 16
12 11 14 13 8 8 3 3 7 12 14 13
1 2 1 0 0 0 0 0 0 0 0 1
12 12 14 14 15 16 10 9 10 11 10 11
2 2 3 3 4 4 5 4 4 3 2 2
134 119 186 234 284 282 339 338 285 165 126 128
Month
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Average Snow Days
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Average UV Index
Avg. Hours of Sun