Average annual temperature is 10.6 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: -26.0 °C
Number of sunny days: 195 days
Number of rainy days: 144 days
Number of snow days: 26 days
Look at detailed online map of Town of Decatur
* Weather data for Town of Decatur 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) | 9.0 | 9.9 | 20.4 | 25.7 | 32.0 | 32.7 | 33.5 | 37.2 | 33.6 | 28.0 | 18.1 | 12.8 |
| Average daytime temperature (°C) | 1.5 | 3.4 | 6.8 | 15.4 | 23.4 | 28.2 | 28.7 | 28.1 | 24.4 | 16.0 | 8.5 | 5.6 |
| Average temperature (°C) | -2.3 | -2.0 | 1.5 | 9.0 | 16.1 | 21.5 | 22.9 | 22.4 | 19.2 | 11.7 | 3.8 | 2.0 |
| Average night temperature (°C) | -5.1 | -6.4 | -2.6 | 3.7 | 9.7 | 15.2 | 17.6 | 17.6 | 15.3 | 7.9 | 0.1 | -0.5 |
| Absolute minimum temperature (°C) | -26.0 | -23.2 | -14.0 | -3.0 | 0.6 | 6.8 | 12.7 | 9.1 | 7.4 | -2.9 | -12.0 | -8.0 |
| 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) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.3 | 15.0 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.6 | 7.0 | 6.5 | 8.7 | 11.0 | 12.1 | 12.3 | 11.2 | 8.9 | 7.0 | 7.0 | 4.0 |
| Precipitation (mm) | 59 | 89 | 101 | 88 | 47 | 21 | 75 | 42 | 82 | 103 | 46 | 59 |
| Sunny days | 14 | 16 | 13 | 16 | 22 | 18 | 17 | 16 | 14 | 12 | 22 | 15 |
| Rainy days | 8 | 8 | 12 | 14 | 9 | 12 | 14 | 15 | 16 | 16 | 7 | 13 |
| Snow days | 9 | 4 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 3 |
The best time to visit Town of Decatur during the most sunny months:
Months with the longest average daylight duration in Town of Decatur:
The largest precipitation sum in Town of Decatur is at