Champaign weather by month

Check out Champaign weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature
Rainfall
Sunshine & UV index

Temperature in Champaign (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	0	3	9	17	23	28	30	28	25	18	10	3
Min temperature (night-time)	-9	-7	-1	5	11	16	18	17	13	7	1	-6
Heat & Humidity	0	0	0	0	0	M	M	M	L	0	0	0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Champaign

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	5	5	6	7	9	10	10	9	8	7	4	4
Daily hours of daylight	10	11	12	13	14	15	15	14	12	11	10	9
UV Index (Maximum)	2	3	4	6	8	9	9	8	6	4	2	1

Rainfall in Champaign

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	10	9	12	12	11	9	9	9	8	8	10	12
Average monthly rainfall (mm)	49	49	81	100	101	102	113	97	82	69	79	72

More about Champaign

Champaign by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Illinois (Champaign) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Champaign?

Champaign has a cold climate with hot summers and some rainfall in all months.

Champaign weather in January

Expect daytime maximum temperatures of 0°C in Champaign, Illinois in January based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall and typically 49 mm of rainfall in the month, which might fall as snow.

0
0°C max day temperature
5
5 hours of sunshine per day
10
10 days with some rainfall
-9
-9°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
49
49 mm of monthly rainfall
2
2 (Low) UV index

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Champaign weather in February

Expect daytime maximum temperatures of 3°C in Champaign, Illinois in February based on long-term weather averages. There are 5 hours of sunshine per day on average with typically 49 mm of rainfall in the month, which might fall as snow.

3
3°C max day temperature
5
5 hours of sunshine per day
9
9 days with some rainfall
-7
-7°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
49
49 mm of monthly rainfall
3
3 (Moderate) UV index

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Champaign weather in March

Expect daytime maximum temperatures of 9°C in Champaign, Illinois in March based on long-term weather averages. There are 6 hours of sunshine per day on average with 12 days with some rainfall and typically 81 mm of rainfall in the month.

9
9°C max day temperature
6
6 hours of sunshine per day
12
12 days with some rainfall
-1
-1°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
81
81 mm of monthly rainfall
4
4 (Moderate) UV index

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Champaign weather in April

Expect daytime maximum temperatures of 17°C in Champaign, Illinois in April based on long-term weather averages. There are 7 hours of sunshine per day on average with 12 days with some rainfall and typically 100 mm of rainfall in the month.

17
17°C max day temperature
7
7 hours of sunshine per day
12
12 days with some rainfall
5
5°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
100
100 mm of monthly rainfall
6
6 (High) UV index

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Champaign weather in May

Expect daytime maximum temperatures of 23°C in Champaign, Illinois in May based on long-term weather averages. There are 9 hours of sunshine per day on average with 11 days with some rainfall and typically 101 mm of rainfall in the month.

23
23°C max day temperature
9
9 hours of sunshine per day
11
11 days with some rainfall
11
11°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
101
101 mm of monthly rainfall
8
8 (Very High) UV index

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Champaign weather in June

Expect daytime maximum temperatures of 28°C in Champaign, Illinois in June based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 102 mm of rainfall in the month.

28
28°C max day temperature
10
10 hours of sunshine per day
9
9 days with some rainfall
16
16°C min night temperature
15
15 hours of daylight per day
M
Moderate heat & humidity
102
102 mm of monthly rainfall
9
9 (Very High) UV index

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Champaign weather in July

Expect daytime maximum temperatures of 30°C in Champaign, Illinois in July based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 113 mm of rainfall in the month.

30
30°C max day temperature
10
10 hours of sunshine per day
9
9 days with some rainfall
18
18°C min night temperature
15
15 hours of daylight per day
M
Moderate heat & humidity
113
113 mm of monthly rainfall
9
9 (Very High) UV index

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Champaign weather in August

Expect daytime maximum temperatures of 28°C in Champaign, Illinois in August based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 97 mm of rainfall in the month.

28
28°C max day temperature
9
9 hours of sunshine per day
9
9 days with some rainfall
17
17°C min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
97
97 mm of monthly rainfall
8
8 (Very High) UV index

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Champaign weather in September

Expect daytime maximum temperatures of 25°C in Champaign, Illinois in September based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 82 mm of rainfall in the month.

25
25°C max day temperature
8
8 hours of sunshine per day
8
8 days with some rainfall
13
13°C min night temperature
12
12 hours of daylight per day
L
Low heat & humidity
82
82 mm of monthly rainfall
6
6 (High) UV index

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Champaign weather in October

Expect daytime maximum temperatures of 18°C in Champaign, Illinois in October based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 69 mm of rainfall in the month.

18
18°C max day temperature
7
7 hours of sunshine per day
8
8 days with some rainfall
7
7°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
69
69 mm of monthly rainfall
4
4 (Moderate) UV index

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Champaign weather in November

Expect daytime maximum temperatures of 10°C in Champaign, Illinois in November based on long-term weather averages. There are 4 hours of sunshine per day on average with 10 days with some rainfall and typically 79 mm of rainfall in the month.

10
10°C max day temperature
4
4 hours of sunshine per day
10
10 days with some rainfall
1
1°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
79
79 mm of monthly rainfall
2
2 (Low) UV index

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Champaign weather in December

Expect daytime maximum temperatures of 3°C in Champaign, Illinois in December based on long-term weather averages. There are 4 hours of sunshine per day on average with 12 days with some rainfall and typically 72 mm of rainfall in the month, which might fall as snow.