Annual mean 12°C · wettest around April · prevailing wind SW
Warmest
27.9 °C
Coldest
-1.6 °C
Wettest
37%
Windiest
6.5 m/s
Prevailing
SW
5.0 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Champaign over the whole year is 12°C. July is the hottest month, with highs of about 27°C; January is the coldest, with lows of about -4°C. Champaign has no sharply defined rainy season: the chance of rain on a given day runs from 28% in February, the driest month, to 34% in April, the wettest. Winds in Champaign are highest in March, averaging 5.0 m/s (18 km/h), and lightest in August, at 2.3 m/s (8 km/h). The prevailing wind is from the SW. The clearest skies in Champaign come in June, when the sky is typically 29% covered; January is the cloudiest month, at 59%.
Month by month Champaign climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
-1°C
-4°C
-7°C
29%
59%
4.7 m/s
0
0
3
February
3°C
-3°C
-4°C
28%
48%
4.8 m/s
2
0
12
March
9°C
2°C
3°C
32%
49%
5.0 m/s
6
0
26
April
15°C
7°C
9°C
34%
44%
4.8 m/s
24
1
51
May
22°C
14°C
18°C
33%
44%
4.1 m/s
57
19
56
June
27°C
20°C
26°C
32%
29%
3.3 m/s
56
49
28
July
27°C
21°C
29°C
32%
31%
2.5 m/s
37
64
11
August
27°C
19°C
28°C
31%
29%
2.3 m/s
46
58
18
September
25°C
15°C
24°C
31%
29%
2.6 m/s
60
43
40
October
18°C
9°C
14°C
32%
40%
3.6 m/s
41
8
59
November
9°C
2°C
3°C
32%
41%
4.2 m/s
9
0
30
December
3°C
-1°C
-3°C
29%
51%
4.4 m/s
0
0
9
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Champaign weather by season
Year round, Champaign has days of about -1°C at their warmest in January, its coolest month, and 27°C in July, its warmest; the coolest hours of the day run from -4°C to 21°C through the year, and the average temperature over the year is 12°C around the clock. Rain is most likely around April and least likely around February. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Champaign weather in winterDecember to February
High 2°CLow -3°CRain 29%
Winter in Champaign has typical daily highs of about 2°C and lows of about -3°C, with a 29% chance of rain on a given day.
Champaign weather in springMarch to May
High 15°CLow 8°CRain 33%
Spring in Champaign has typical daily highs of about 15°C and lows of about 8°C, with a 33% chance of rain on a given day.
Champaign weather in summerJune to August
High 27°CLow 20°CRain 32%
Summer in Champaign has typical daily highs of about 27°C and lows of about 20°C, with a 32% chance of rain on a given day.
Champaign weather in autumnSeptember to November
High 17°CLow 9°CRain 32%
Autumn in Champaign has typical daily highs of about 17°C and lows of about 9°C, with a 32% chance of rain on a given day.
When is the rainy season in Champaign?
Champaign has no sharply defined rainy season: the chance of rain on a given day runs from 28% in February, the driest month, to 34% in April, the wettest.
What time of year is Champaign windiest?
Winds in Champaign are highest in March, averaging 5.0 m/s (18 km/h), and lightest in August, at 2.3 m/s (8 km/h). The prevailing wind is from the SW.
What is the average temperature in Champaign year round?
The average temperature in Champaign over the whole year is 12°C. July is the hottest month, with highs of about 27°C; January is the coldest, with lows of about -4°C.