Average annual temperature is 7.9 °C
Absolute maximum temperature: 32.7 °C
Absolute minimum temperature: -25.7 °C
Number of sunny days: 176 days
Number of rainy days: 143 days
Number of snow days: 46 days
Look at detailed online map of Village of Mattoon
* Weather data for Village of Mattoon United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 2.5 | 6.4 | 7.1 | 26.2 | 31.5 | 32.1 | 31.0 | 32.7 | 32.7 | 28.8 | 15.9 | 10.6 |
| Average daytime temperature (°C) | -2.1 | -0.5 | 2.6 | 11.8 | 20.8 | 26.8 | 26.2 | 25.2 | 22.1 | 13.4 | 5.8 | 3.3 |
| Average temperature (°C) | -5.7 | -5.6 | -2.6 | 5.7 | 14.0 | 20.2 | 20.4 | 19.6 | 17.0 | 9.3 | 1.3 | -0.1 |
| Average night temperature (°C) | -8.5 | -9.9 | -7.0 | 0.9 | 8.0 | 14.1 | 15.2 | 15.0 | 13.2 | 6.0 | -2.0 | -2.6 |
| Absolute minimum temperature (°C) | -24.7 | -25.7 | -14.4 | -10.4 | -0.3 | 6.3 | 11.3 | 8.0 | 6.4 | -5.4 | -12.7 | -9.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.2 | 10.4 | 11.9 | 13.5 | 14.9 | 15.6 | 15.2 | 14.0 | 12.5 | 11.0 | 9.6 | 8.8 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 3.8 | 6.8 | 7.1 | 8.0 | 10.3 | 12.5 | 12.9 | 10.9 | 8.0 | 6.0 | 6.2 | 4.3 |
| Precipitation (mm) | 45 | 55 | 70 | 157 | 24 | 66 | 52 | 90 | 84 | 131 | 18 | 27 |
| Sunny days | 18 | 10 | 14 | 11 | 20 | 18 | 7 | 16 | 12 | 12 | 20 | 18 |
| Rainy days | 5 | 4 | 4 | 18 | 11 | 12 | 24 | 15 | 18 | 16 | 7 | 9 |
| Snow days | 8 | 14 | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 4 |
The best time to visit Village of Mattoon during the most sunny months:
Months with the longest average daylight duration in Village of Mattoon:
The largest precipitation sum in Village of Mattoon is at