Average annual temperature is 10.0 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -22.6 °C
Number of sunny days: 167 days
Number of rainy days: 168 days
Number of snow days: 30 days
Look at detailed online map of Gratiot County
* Weather data for Gratiot County 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) | 7.1 | 11.7 | 15.0 | 26.4 | 32.6 | 33.6 | 33.9 | 31.8 | 31.9 | 29.1 | 16.1 | 13.7 |
| Average daytime temperature (°C) | 2.2 | 3.4 | 6.1 | 15.2 | 22.0 | 27.6 | 27.5 | 25.2 | 22.9 | 15.9 | 8.1 | 6.1 |
| Average temperature (°C) | -0.9 | -1.8 | 1.0 | 8.8 | 14.7 | 20.5 | 21.8 | 19.6 | 17.6 | 11.4 | 3.4 | 2.8 |
| Average night temperature (°C) | -3.5 | -5.8 | -3.0 | 3.2 | 8.0 | 14.2 | 16.6 | 14.9 | 13.1 | 8.0 | -0.2 | 0.7 |
| Absolute minimum temperature (°C) | -22.6 | -18.2 | -7.7 | -5.9 | 1.0 | 8.3 | 10.9 | 8.3 | 6.7 | -2.3 | -8.3 | -5.4 |
| 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) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.3 | 15.0 | 13.9 | 12.5 | 11.0 | 9.7 | 9.0 |
| 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 | 8.0 |
| Sunshine mean duration (h) | 3.0 | 6.2 | 6.5 | 8.7 | 10.3 | 11.7 | 11.9 | 10.3 | 8.2 | 6.2 | 6.3 | 3.3 |
| Precipitation (mm) | 58 | 91 | 79 | 75 | 22 | 48 | 146 | 127 | 36 | 100 | 57 | 48 |
| Sunny days | 8 | 14 | 10 | 14 | 22 | 18 | 10 | 14 | 14 | 12 | 17 | 14 |
| Rainy days | 12 | 9 | 13 | 15 | 9 | 12 | 21 | 17 | 16 | 19 | 9 | 16 |
| Snow days | 11 | 5 | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 1 |
The best time to visit Gratiot County during the most sunny months:
Months with the longest average daylight duration in Gratiot County:
The largest precipitation sum in Gratiot County is at