Average annual temperature is 10.9 °C
Absolute maximum temperature: 36.1 °C
Absolute minimum temperature: -25.5 °C
Number of sunny days: 193 days
Number of rainy days: 150 days
Number of snow days: 22 days
Look at detailed online map of Township of Grand Detour
* Weather data for Township of Grand Detour 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 | 12.9 | 20.2 | 24.9 | 32.1 | 33.6 | 34.0 | 36.1 | 33.6 | 27.7 | 18.4 | 14.0 |
| Average daytime temperature (°C) | 1.9 | 4.5 | 7.6 | 16.1 | 23.1 | 28.5 | 28.1 | 27.9 | 24.6 | 16.6 | 9.1 | 6.1 |
| Average temperature (°C) | -2.0 | -1.0 | 2.3 | 9.4 | 16.6 | 22.0 | 22.7 | 22.4 | 19.3 | 12.1 | 4.2 | 2.4 |
| Average night temperature (°C) | -4.8 | -5.3 | -1.5 | 4.0 | 10.5 | 15.7 | 17.6 | 17.6 | 15.2 | 8.3 | 0.3 | -0.1 |
| Absolute minimum temperature (°C) | -25.5 | -22.6 | -12.3 | -1.6 | 1.0 | 7.4 | 13.6 | 10.5 | 8.8 | -2.6 | -12.3 | -8.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 13.0 | 14.0 | 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 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.7 | 7.4 | 6.7 | 9.3 | 11.2 | 12.6 | 12.0 | 11.1 | 8.8 | 7.4 | 7.1 | 4.2 |
| Precipitation (mm) | 77 | 88 | 87 | 103 | 56 | 25 | 97 | 52 | 102 | 88 | 33 | 68 |
| Sunny days | 13 | 16 | 14 | 15 | 21 | 16 | 14 | 15 | 17 | 14 | 21 | 17 |
| Rainy days | 7 | 8 | 15 | 15 | 10 | 14 | 17 | 16 | 13 | 16 | 7 | 12 |
| Snow days | 11 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 |
The best time to visit Township of Grand Detour during the most sunny months:
The largest precipitation sum in Township of Grand Detour is at