Home   Weather   USA   Champaign   Climate
Flag for USA

Climate & Weather Averages in Champaign, Illinois, USA

Currently: 89 °F. Scattered clouds. (Weather station: University Of Illinois-Willard Airport, USA). See more current weather

Annual Weather Averages Near Champaign

Averages are for University Of Illinois-Willard Airport, which is 6 miles from Champaign.

Based on weather reports collected during 1992–2021.

Jan
34
18
2.02
Feb
38
22
1.95
Mar
51
31
2.64
Apr
64
40
3.72
May
75
52
4.25
Jun
83
62
4.53
Jul
85
64
4.1
Aug
83
62
3.22
Sep
79
55
3.2
Oct
66
43
3.13
Nov
51
32
3
Dec
39
24
2.17

All Year Climate & Weather Averages in Champaign

High Temp: 85 °F

Low Temp: 18 °F

Mean Temp: 52 °F

Precipitation: 3.16"

Humidity: 73%

Dew Point: 43 °F

Wind: 17 mph

Pressure: 30.05 "Hg

Visibility: 9 mi

January Climate & Weather Averages in Champaign

High Temp: 34 °F

Low Temp: 18 °F

Mean Temp: 26 °F

Precipitation: 2.02"

Humidity: 82%

Dew Point: 21 °F

Wind: 21 mph

Pressure: 30.13 "Hg

Visibility: 8 mi

February Climate & Weather Averages in Champaign

High Temp: 38 °F

Low Temp: 22 °F

Mean Temp: 30 °F

Precipitation: 1.95"

Humidity: 78%

Dew Point: 24 °F

Wind: 20 mph

Pressure: 30.12 "Hg

Visibility: 8 mi

March Climate & Weather Averages in Champaign

High Temp: 51 °F

Low Temp: 31 °F

Mean Temp: 41 °F

Precipitation: 2.64"

Humidity: 71%

Dew Point: 32 °F

Wind: 20 mph

Pressure: 30.08 "Hg

Visibility: 9 mi

April Climate & Weather Averages in Champaign

High Temp: 64 °F

Low Temp: 40 °F

Mean Temp: 52 °F

Precipitation: 3.72"

Humidity: 66%

Dew Point: 40 °F

Wind: 21 mph

Pressure: 29.98 "Hg

Visibility: 9 mi

May Climate & Weather Averages in Champaign

High Temp: 75 °F

Low Temp: 52 °F

Mean Temp: 63 °F

Precipitation: 4.25"

Humidity: 66%

Dew Point: 52 °F

Wind: 19 mph

Pressure: 29.98 "Hg

Visibility: 9 mi

June Climate & Weather Averages in Champaign

High Temp: 83 °F

Low Temp: 62 °F

Mean Temp: 72 °F

Precipitation: 4.53"

Humidity: 69%

Dew Point: 61 °F

Wind: 15 mph

Pressure: 29.95 "Hg

Visibility: 9 mi

July Climate & Weather Averages in Champaign

High Temp: 85 °F

Low Temp: 64 °F

Mean Temp: 74 °F

Precipitation: 4.10"

Humidity: 75%

Dew Point: 66 °F

Wind: 11 mph

Pressure: 29.99 "Hg

Visibility: 9 mi

August Climate & Weather Averages in Champaign

High Temp: 83 °F

Low Temp: 62 °F

Mean Temp: 73 °F

Precipitation: 3.22"

Humidity: 76%

Dew Point: 65 °F

Wind: 10 mph

Pressure: 30.01 "Hg

Visibility: 8 mi

September Climate & Weather Averages in Champaign

High Temp: 79 °F

Low Temp: 55 °F

Mean Temp: 67 °F

Precipitation: 3.20"

Humidity: 68%

Dew Point: 56 °F

Wind: 12 mph

Pressure: 30.04 "Hg

Visibility: 9 mi

October Climate & Weather Averages in Champaign

High Temp: 66 °F

Low Temp: 43 °F

Mean Temp: 55 °F

Precipitation: 3.13"

Humidity: 69%

Dew Point: 44 °F

Wind: 16 mph

Pressure: 30.06 "Hg

Visibility: 10 mi

November Climate & Weather Averages in Champaign

High Temp: 51 °F

Low Temp: 32 °F

Mean Temp: 42 °F

Precipitation: 3.00"

Humidity: 75%

Dew Point: 34 °F

Wind: 19 mph

Pressure: 30.11 "Hg

Visibility: 9 mi

December Climate & Weather Averages in Champaign

High Temp: 39 °F

Low Temp: 24 °F

Mean Temp: 31 °F

Precipitation: 2.17"

Humidity: 81%

Dew Point: 26 °F

Wind: 19 mph

Pressure: 30.11 "Hg

Visibility: 8 mi

Quick Climate Info

Hottest MonthJuly (74 °F avg)
Coldest MonthJanuary (26 °F avg)
Wettest MonthJune (4.53" avg)
Windiest MonthApril (21 mph avg)
Annual precip.37.94" (per year)

Weather by CustomWeather, © 2025