World > North America > United States > Illinois > Chicago   City of Chicago, Illinois

Chicago, Illinois Climate Averages

Feedback E-mail the Weather

Quick WX

Chicago Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 29°F Lo 21°F Hi 31°F Lo 22°F Hi 42°F Lo 33°F Hi 50°F Lo 41°F Hi 61°F Lo 51°F Hi 71°F Lo 61°F Hi 78°F Lo 68°F Hi 78°F Lo 68°F Hi 72°F Lo 62°F Hi 60°F Lo 50°F Hi 46°F Lo 38°F Hi 36°F Lo 29°F
12 mph 12 mph 11 mph 11 mph 10 mph 8 mph 8 mph 8 mph 10 mph 11 mph 12 mph 12 mph
3.3 in 3.7 in 4.5 in 6.7 in 8.8 in 10.1 in 8.8 in 8.3 in 5.9 in 5.8 in 3.4 in 3.3 in
82% 82% 76% 76% 78% 78% 77% 75% 72% 70% 72% 78%
61% 59% 49% 48% 40% 30% 26% 25% 27% 40% 43% 56%
30.1 in 30.1 in 30.1 in 30.0 in 30.0 in 29.9 in 30.0 in 30.0 in 30.0 in 30.0 in 30.1 in 30.1 in
11 11 17 18 21 21 22 23 24 23 20 15
5 4 8 8 10 10 9 8 6 8 6 6
15 13 7 3 0 0 0 0 0 0 4 10
0 1 1 0 1 1 0 0 0 0 0 1
1 1 2 3 4 5 6 5 4 3 2 1
108 110 150 149 198 246 264 270 246 190 174 131
January
February
March
April
May
June
July
August
September
October
November
December
Hi -2°C Lo -6°C Hi -1°C Lo -6°C Hi 5°C Lo 1°C Hi 10°C Lo 5°C Hi 16°C Lo 11°C Hi 22°C Lo 16°C Hi 25°C Lo 20°C Hi 26°C Lo 20°C Hi 22°C Lo 17°C Hi 15°C Lo 10°C Hi 8°C Lo 3°C Hi 2°C Lo -2°C
20 km/h 19 km/h 18 km/h 18 km/h 15 km/h 14 km/h 13 km/h 13 km/h 15 km/h 18 km/h 19 km/h 19 km/h
84 mm 93 mm 114 mm 171 mm 224 mm 256 mm 223 mm 210 mm 149 mm 146 mm 85 mm 85 mm
82% 82% 76% 76% 78% 78% 77% 75% 72% 70% 72% 78%
61% 59% 49% 48% 40% 30% 26% 25% 27% 40% 43% 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
11 11 17 18 21 21 22 23 24 23 20 15
5 4 8 8 10 10 9 8 6 8 6 6
15 13 7 3 0 0 0 0 0 0 4 10
0 1 1 0 1 1 0 0 0 0 0 1
1 1 2 3 4 5 6 5 4 3 2 1
108 110 150 149 198 246 264 270 246 190 174 131
Month
Avg. Temperatures
Avg. Wind Speed
Avg. Precipitation
Average Humidity
Avg. Cloud Cover
Pressure Average
Average Dry Days
Avg. Precip. Days
Avg. Snow Days
Average Fog Days
Average UV Index
Avg. Hours of Sun
Averages are based on historical weather data from the past 10 years.

Trending Headlines

Chicago Radar Loop

Use the map search tool if you want to place a location marker on the radar map...

Chicago Quick Facts

National Two Day Weather Forecast


E-mail the Chicago Weather Forecast

Voice your opinion or tell us about page issues...