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What is the weather like in Chicago, IllinoisChicago, Illinois monthly and yearly climate averages.

Chicago, Illinois Climate Averages

Monthly and yearly weather averages for Chicago, IllinoisWeather almanac for Chicago, IL. Chicago monthly weather averages.
Lat: 41.88N, Lon: 87.63W
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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 20°F Hi 33°F Lo 22°F Hi 44°F Lo 32°F Hi 55°F Lo 41°F Hi 66°F Lo 52°F Hi 75°F Lo 61°F Hi 80°F Lo 67°F Hi 79°F Lo 66°F Hi 73°F Lo 59°F Hi 61°F Lo 48°F Hi 47°F Lo 36°F Hi 36°F Lo 27°F
11 mph 11 mph 10 mph 10 mph 9 mph 8 mph 7 mph 7 mph 8 mph 10 mph 11 mph 10 mph
0.5 in 0.5 in 0.5 in 1.1 in 1.4 in 1.4 in 1.2 in 1 in 0.9 in 0.9 in 0.6 in 0.5 in
82% 82% 76% 76% 77% 78% 78% 77% 75% 72% 74% 80%
62% 59% 50% 49% 42% 34% 30% 28% 31% 41% 45% 59%
30.6 in 30.6 in 30.6 in 30.4 in 30.4 in 30.4 in 30.4 in 30.5 in 30.5 in 30.5 in 30.6 in 30.6 in
18 17 19 15 14 13 13 16 17 18 20 20
5 4 9 12 13 13 14 11 10 9 7 4
9 9 4 1 0 0 0 0 0 0 3 7
3 3 3 3 4 5 5 4 2 1 1 2
2 2 2 3 5 6 6 6 4 3 2 1
111 109 187 227 272 295 317 323 267 183 152 125
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.