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Champaign weather by month
Check out Champaign weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in Champaign (°F)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max temperature (daytime) | 32 |
37 |
48 |
63 |
73 |
82 |
86 |
82 |
77 |
64 |
50 |
37 |
| Min temperature (night-time) | 16 |
19 |
30 |
41 |
52 |
61 |
64 |
63 |
55 |
45 |
34 |
21 |
| 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 | ||||||||||||
| 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 (inches) | 1.9 |
1.9 |
3.2 |
3.9 |
4.0 |
4.0 |
4.4 |
3.8 |
3.2 |
2.7 |
3.1 |
2.8 |
More about Champaign
Champaign by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Illinois
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 32°F 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 1.9 inches of rainfall in the month, which might fall as snow.
- 32°F max day temperature
32 - 5 hours of sunshine per day
- 10 days with some rainfall
10 - 16°F min night temperature
16 - 10 hours of daylight per day
10 - No heat & humidity
0 - 1.9 inches of monthly rainfall
1.9 - 2 (Low) UV index
2
Champaign weather in February
Expect daytime maximum temperatures of 37°F in Champaign, Illinois in February based on long-term weather averages. There are 5 hours of sunshine per day on average with typically 1.9 inches of rainfall in the month, which might fall as snow.
- 37°F max day temperature
37 - 5 hours of sunshine per day
- 9 days with some rainfall
9 - 19°F min night temperature
19 - 11 hours of daylight per day
11 - No heat & humidity
0 - 1.9 inches of monthly rainfall
1.9 - 3 (Moderate) UV index
3
Champaign weather in March
Expect daytime maximum temperatures of 48°F 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 3.2 inches of rainfall in the month.
- 48°F max day temperature
48 - 6 hours of sunshine per day
- 12 days with some rainfall
12 - 30°F min night temperature
30 - 12 hours of daylight per day
12 - No heat & humidity
0 - 3.2 inches of monthly rainfall
3.2 - 4 (Moderate) UV index
4
Champaign weather in April
Expect daytime maximum temperatures of 63°F 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 3.9 inches of rainfall in the month.
- 63°F max day temperature
63 - 7 hours of sunshine per day
- 12 days with some rainfall
12 - 41°F min night temperature
41 - 13 hours of daylight per day
13 - No heat & humidity
0 - 3.9 inches of monthly rainfall
3.9 - 6 (High) UV index
6
Champaign weather in May
Expect daytime maximum temperatures of 73°F 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 4.0 inches of rainfall in the month.
- 73°F max day temperature
73 - 9 hours of sunshine per day
- 11 days with some rainfall
11 - 52°F min night temperature
52 - 14 hours of daylight per day
14 - No heat & humidity
0 - 4.0 inches of monthly rainfall
4.0 - 8 (Very High) UV index
8
Champaign weather in June
Expect daytime maximum temperatures of 82°F in Champaign, Illinois in June based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 4.0 inches of rainfall in the month.
- 82°F max day temperature
82 - 10 hours of sunshine per day
- 9 days with some rainfall
9 - 61°F min night temperature
61 - 15 hours of daylight per day
15 - Moderate heat & humidity
M - 4.0 inches of monthly rainfall
4.0 - 9 (Very High) UV index
9
Champaign weather in July
Expect daytime maximum temperatures of 86°F in Champaign, Illinois in July based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 4.4 inches of rainfall in the month.
- 86°F max day temperature
86 - 10 hours of sunshine per day
- 9 days with some rainfall
9 - 64°F min night temperature
64 - 15 hours of daylight per day
15 - Moderate heat & humidity
M - 4.4 inches of monthly rainfall
4.4 - 9 (Very High) UV index
9
Champaign weather in August
Expect daytime maximum temperatures of 82°F in Champaign, Illinois in August based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 3.8 inches of rainfall in the month.
- 82°F max day temperature
82 - 9 hours of sunshine per day
- 9 days with some rainfall
9 - 63°F min night temperature
63 - 14 hours of daylight per day
14 - Moderate heat & humidity
M - 3.8 inches of monthly rainfall
3.8 - 8 (Very High) UV index
8
Champaign weather in September
Expect daytime maximum temperatures of 77°F in Champaign, Illinois in September based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 3.2 inches of rainfall in the month.
- 77°F max day temperature
77 - 8 hours of sunshine per day
- 8 days with some rainfall
8 - 55°F min night temperature
55 - 12 hours of daylight per day
12 - Low heat & humidity
L - 3.2 inches of monthly rainfall
3.2 - 6 (High) UV index
6
Champaign weather in October
Expect daytime maximum temperatures of 64°F in Champaign, Illinois in October based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 2.7 inches of rainfall in the month.
- 64°F max day temperature
64 - 7 hours of sunshine per day
- 8 days with some rainfall
8 - 45°F min night temperature
45 - 11 hours of daylight per day
11 - No heat & humidity
0 - 2.7 inches of monthly rainfall
2.7 - 4 (Moderate) UV index
4
Champaign weather in November
Expect daytime maximum temperatures of 50°F 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 3.1 inches of rainfall in the month.
- 50°F max day temperature
50 - 4 hours of sunshine per day
- 10 days with some rainfall
10 - 34°F min night temperature
34 - 10 hours of daylight per day
10 - No heat & humidity
0 - 3.1 inches of monthly rainfall
3.1 - 2 (Low) UV index
2
Champaign weather in December
Expect daytime maximum temperatures of 37°F 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 2.8 inches of rainfall in the month, which might fall as snow.
- 37°F max day temperature
37 - 4 hours of sunshine per day
- 12 days with some rainfall
12 - 21°F min night temperature
21 - 9 hours of daylight per day
9 - No heat & humidity
0 - 2.8 inches of monthly rainfall
2.8 - 1 (Low) UV index
1
More about Champaign
Champaign by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Illinois
- Explore latest special offers & online deals from TUI
- Free child places & £0 deposits with direct debit available
- Book summer & winter sun holidays in 2026/2027
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.
Compare Champaign weather with the UK
The weather chart below compares the average monthly maximum daytime temperature for Champaign, Illinois, USA and the UK (London).
Maximum daytime temperature (°F)
Metric (°C) | Imperial (°F)
More about the USA
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