Average annual temperature is 16.0 °C
Absolute maximum temperature: 37.5 °C
Absolute minimum temperature: -6.6 °C
Number of sunny days: 206 days
Number of rainy days: 159 days
Look at detailed online map of Grand Rivers
* Weather data for Grand Rivers 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) | 18.6 | 22.9 | 24.8 | 28.0 | 31.4 | 36.4 | 35.9 | 37.5 | 31.2 | 29.4 | 25.7 | 18.1 |
| Average daytime temperature (°C) | 10.9 | 13.6 | 14.8 | 20.8 | 25.8 | 30.4 | 31.8 | 30.4 | 27.6 | 21.7 | 15.5 | 11.6 |
| Average temperature (°C) | 6.4 | 8.0 | 9.5 | 14.6 | 20.2 | 24.2 | 26.5 | 25.4 | 22.4 | 16.7 | 10.1 | 6.9 |
| Average night temperature (°C) | 3.1 | 4.0 | 5.6 | 10.1 | 15.7 | 19.3 | 22.5 | 21.9 | 18.5 | 13.1 | 6.4 | 3.8 |
| Absolute minimum temperature (°C) | -4.8 | -6.6 | -4.4 | 4.6 | 8.0 | 14.4 | 18.5 | 15.7 | 14.4 | 1.3 | -1.8 | -3.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.1 | 14.1 | 14.7 | 14.4 | 13.5 | 12.4 | 11.2 | 10.2 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.1 | 6.9 | 7.3 | 9.8 | 11.2 | 12.6 | 11.5 | 10.5 | 10.8 | 7.6 | 8.0 | 6.6 |
| Precipitation (mm) | 133 | 79 | 179 | 90 | 65 | 61 | 166 | 101 | 32 | 85 | 32 | 75 |
| Sunny days | 12 | 15 | 16 | 19 | 19 | 17 | 10 | 17 | 20 | 21 | 24 | 16 |
| Rainy days | 19 | 13 | 15 | 11 | 12 | 13 | 21 | 14 | 10 | 10 | 6 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Grand Rivers during the most sunny months:
The largest precipitation sum in Grand Rivers is at