Average annual temperature is 9.2 °C
Absolute maximum temperature: 30.3 °C
Absolute minimum temperature: -17.3 °C
Number of sunny days: 109 days
Number of rainy days: 216 days
Number of snow days: 40 days
Look at detailed online map of Griswold
* Weather data for Griswold 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) | 12.9 | 16.5 | 14.5 | 26.2 | 28.5 | 29.6 | 30.3 | 29.8 | 29.9 | 26.5 | 15.9 | 13.1 |
| Average daytime temperature (°C) | 3.3 | 5.9 | 4.9 | 15.0 | 18.5 | 22.6 | 25.3 | 22.9 | 21.1 | 14.7 | 7.3 | 5.9 |
| Average temperature (°C) | -0.4 | -0.6 | 0.3 | 8.7 | 12.6 | 17.4 | 20.4 | 18.4 | 16.4 | 11.0 | 3.4 | 2.7 |
| Average night temperature (°C) | -3.2 | -5.1 | -3.2 | 3.8 | 7.4 | 13.1 | 16.4 | 14.8 | 12.7 | 8.1 | 0.4 | 0.2 |
| Absolute minimum temperature (°C) | -11.2 | -17.3 | -10.7 | -6.1 | -0.4 | 8.6 | 13.1 | 9.9 | 7.8 | 0.0 | -8.6 | -6.8 |
| 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 | 15.2 | 14.9 | 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) | 1.9 | 5.5 | 5.7 | 8.5 | 11.0 | 10.7 | 11.2 | 9.9 | 8.9 | 5.4 | 5.2 | 3.2 |
| Precipitation (mm) | 177 | 90 | 133 | 107 | 55 | 86 | 111 | 143 | 50 | 102 | 87 | 125 |
| Sunny days | 3 | 8 | 8 | 11 | 21 | 9 | 4 | 5 | 13 | 9 | 9 | 9 |
| Rainy days | 14 | 14 | 14 | 17 | 10 | 21 | 27 | 26 | 17 | 22 | 17 | 17 |
| Snow days | 14 | 6 | 9 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 5 |
The best time to visit Griswold during the most sunny months:
The largest precipitation sum in Griswold is at