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

West Chicago, Illinois Climate Averages

Monthly and yearly weather averages for West Chicago, IllinoisWeather almanac for West Chicago, IL. West Chicago monthly weather averages.
Lat: 41.89N, Lon: 88.22W
Wx Zone: ILZ013Web Search
West Chicago Weather Warning NWS WEATHER ALERT FOR THE WEST CHICAGO, IL AREA - Issued: 422 AM CDT Sun May 9 2021 West Chicago Weather Warning  

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West Chicago Monthly Averages

12 Month Weather Scroll   °F Click to change West Chicago weather to Imperial units.Click to change West Chicago weather to Metric units. °C
January
February
March
April
May
June
July
August
September
October
November
December
Hi 28°F Lo 18°F Hi 31°F Lo 20°F Hi 45°F Lo 33°F Hi 56°F Lo 41°F Hi 69°F Lo 53°F Hi 78°F Lo 62°F Hi 82°F Lo 67°F Hi 81°F Lo 66°F Hi 75°F Lo 60°F Hi 61°F Lo 47°F Hi 47°F Lo 36°F Hi 35°F Lo 26°F
10 mph 9 mph 9 mph 9 mph 8 mph 7 mph 6 mph 6 mph 7 mph 9 mph 9 mph 9 mph
1.9 in 2 in 2.5 in 3.6 in 4.7 in 4.7 in 4.6 in 4.3 in 2.9 in 2.9 in 1.8 in 1.8 in
83% 83% 74% 73% 75% 76% 76% 75% 73% 70% 73% 79%
60% 59% 49% 49% 40% 31% 27% 27% 29% 40% 42% 56%
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
13 9 12 9 8 8 7 9 12 13 16 14
8 8 14 17 21 20 20 19 16 14 10 9
15 14 7 2 0 0 0 0 0 1 4 11
2 2 1 2 2 3 3 3 2 1 1 2
1 2 2 3 5 6 6 6 4 2 1 1
196 185 255 245 291 318 344 342 315 277 264 223
January
February
March
April
May
June
July
August
September
October
November
December
Hi -2°C Lo -8°C Hi -1°C Lo -7°C Hi 7°C Lo 0°C Hi 13°C Lo 5°C Hi 20°C Lo 12°C Hi 26°C Lo 17°C Hi 28°C Lo 20°C Hi 27°C Lo 19°C Hi 24°C Lo 15°C Hi 16°C Lo 9°C Hi 8°C Lo 2°C Hi 2°C Lo -3°C
15 km/h 15 km/h 15 km/h 15 km/h 13 km/h 12 km/h 10 km/h 10 km/h 12 km/h 14 km/h 15 km/h 14 km/h
47 mm 51 mm 63 mm 91 mm 120 mm 118 mm 117 mm 108 mm 74 mm 74 mm 45 mm 46 mm
83% 83% 74% 73% 75% 76% 76% 75% 73% 70% 73% 79%
60% 59% 49% 49% 40% 31% 27% 27% 29% 40% 42% 56%
1020 mb 1020 mb 1019 mb 1014 mb 1015 mb 1013 mb 1015 mb 1015 mb 1017 mb 1016 mb 1019 mb 1019 mb
13 9 12 9 8 8 7 9 12 13 16 14
8 8 14 17 21 20 20 19 16 14 10 9
15 14 7 2 0 0 0 0 0 1 4 11
2 2 1 2 2 3 3 3 2 1 1 2
1 2 2 3 5 6 6 6 4 2 1 1
196 185 255 245 291 318 344 342 315 277 264 223
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.

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