Average annual temperature is 9.4 °C
Absolute maximum temperature: 35.4 °C
Absolute minimum temperature: -25.3 °C
Number of sunny days: 195 days
Number of rainy days: 134 days
Number of snow days: 36 days
Look at detailed online map of Grand Marsh
* Weather data for Grand Marsh 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) | 5.2 | 8.9 | 11.0 | 26.2 | 31.6 | 33.1 | 31.7 | 35.4 | 33.9 | 28.7 | 16.1 | 11.0 |
| Average daytime temperature (°C) | -0.4 | 1.8 | 5.3 | 13.9 | 22.2 | 27.5 | 27.8 | 27.3 | 23.9 | 14.9 | 7.2 | 4.6 |
| Average temperature (°C) | -4.2 | -3.6 | -0.3 | 7.7 | 15.2 | 21.0 | 22.1 | 21.6 | 18.6 | 10.8 | 2.7 | 0.9 |
| Average night temperature (°C) | -7.3 | -7.9 | -4.5 | 2.9 | 8.9 | 14.8 | 16.4 | 16.7 | 14.4 | 7.2 | -0.9 | -1.7 |
| Absolute minimum temperature (°C) | -25.3 | -24.8 | -19.5 | -4.4 | -0.1 | 6.3 | 11.5 | 9.9 | 7.7 | -4.6 | -13.2 | -8.7 |
| 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) | 9.3 | 10.5 | 11.9 | 13.4 | 14.7 | 15.4 | 15.1 | 14.0 | 12.5 | 11.0 | 9.7 | 9.0 |
| 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 | 6.5 | 7.2 | 8.1 | 10.7 | 12.7 | 12.8 | 11.3 | 9.3 | 6.6 | 6.4 | 4.5 |
| Precipitation (mm) | 40 | 66 | 65 | 98 | 91 | 54 | 52 | 90 | 80 | 101 | 15 | 37 |
| Sunny days | 14 | 14 | 14 | 12 | 22 | 20 | 14 | 19 | 13 | 11 | 24 | 18 |
| Rainy days | 6 | 7 | 7 | 17 | 9 | 10 | 17 | 12 | 17 | 17 | 6 | 9 |
| Snow days | 11 | 7 | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 4 |
The best time to visit Grand Marsh during the most sunny months:
Months with the longest average daylight duration in Grand Marsh:
The largest precipitation sum in Grand Marsh is at