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Chicago, Illinois Climate Averages

Lat: 41.88N, Lon: 87.63W
Wx Zone: ILZ014
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Chicago Monthly Averages

     <-- 12 Month Weather Scroll -->
January
February
March
April
May
June
July
August
September
October
November
December
Hi 30°F Lo 21°F Hi 33°F Lo 21°F Hi 44°F Lo 21°F Hi 54°F Lo 21°F Hi 66°F Lo 21°F Hi 76°F Lo 21°F Hi 82°F Lo 21°F Hi 81°F Lo 21°F Hi 74°F Lo 21°F Hi 62°F Lo 21°F Hi 49°F Lo 21°F Hi 37°F Lo 21°F
14 mph 13 mph 12 mph 12 mph 10 mph 9 mph 9 mph 9 mph 10 mph 12 mph 13 mph 13 mph
2.4 in 3.3 in 3.4 in 5.5 in 5.7 in 6.4 in 4.7 in 4.5 in 3.5 in 4 in 2.7 in 3 in
85% 85% 79% 75% 76% 75% 75% 73% 74% 75% 77% 83%
61% 61% 50% 49% 40% 32% 26% 28% 30% 41% 46% 62%
30.6 in 30.6 in 30.6 in 30.4 in 30.5 in 30.4 in 30.4 in 30.5 in 30.5 in 30.5 in 30.6 in 30.6 in
10 10 13 9 9 10 10 13 15 15 16 12
8 7 11 16 19 18 18 16 12 13 10 8
12 10 6 2 0 0 0 0 0 0 2 8
1 1 2 1 2 2 1 1 0 1 1 1
2 2 2 3 5 5 5 5 4 3 2 1
117 135 195 202 282 304 338 296 245 198 144 110
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