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Weather & Climate
Champaign, Illinois, United States
Overview
Available climate summaries for Champaign. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.
Key Metrics
Annual Avg
11.3°C
Summer Avg
23.3°C
Winter Avg
-1.7°C
Record High
42.1°C
Record Low
-27.8°C
Annual Precipitation
1028.1 mm
Avg Humidity
77%
Summer Humidity
75%
Winter Humidity
83%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 19.1° | -3.1° | -27.8° | 58.9 | 84% | 58 | 62.9 |
| Feb | 20.9° | -1.5° | -26.9° | 56.6 | 82% | 76 | 61.2 |
| Mar | 26.8° | 4.9° | -19.6° | 72.5 | 79% | 114 | 63.8 |
| Apr | 28.6° | 11.6° | -6.5° | 103.2 | 75% | 145 | 62.7 |
| May | 33.3° | 17.3° | -1.8° | 114.4 | 77% | 171 | 57.2 |
| Jun | 41.5° | 22.3° | 2.9° | 118.5 | 77% | 188 | 53 |
| Jul | 42.1° | 24.1° | 9.5° | 105.7 | 76% | 195 | 37.1 |
| Aug | 38.1° | 23.5° | 8.2° | 83.4 | 72% | 172 | 34.9 |
| Sep | 38.7° | 19.7° | 3.4° | 78.3 | 71% | 138 | 55.3 |
| Oct | 32.3° | 12.4° | -5.3° | 93.3 | 72% | 97 | 54.4 |
| Nov | 25.6° | 5.4° | -13° | 73.5 | 78% | 64 | 58 |
| Dec | 20.7° | -0.5° | -21.6° | 69.8 | 84% | 48 | 67.5 |
Data sources
Estimates and unverified origins
Oyster List climate data - Climate origins are unverified. Available methods include historical APIs and AI estimates; stored rows do not identify the original dataset, reference period, or model for each value. Treat these summaries as estimates until independently verified. Record updated 2026-03-22.
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