Average annual temperature is 12.0 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: -18.3 °C
Number of sunny days: 227 days
Number of rainy days: 121 days
Number of snow days: 17 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) | 10.2 | 14.3 | 22.0 | 28.1 | 29.9 | 32.3 | 34.1 | 35.1 | 33.1 | 31.5 | 19.1 | 14.9 |
| Average daytime temperature (°C) | 1.9 | 5.9 | 9.2 | 18.5 | 25.1 | 29.7 | 28.6 | 28.5 | 27.0 | 18.5 | 11.5 | 6.9 |
| Average temperature (°C) | -2.3 | -0.6 | 2.7 | 11.2 | 18.6 | 23.7 | 23.4 | 23.8 | 21.3 | 13.4 | 5.9 | 2.5 |
| Average night temperature (°C) | -5.5 | -5.2 | -1.8 | 5.5 | 12.8 | 17.7 | 18.7 | 19.5 | 16.2 | 9.0 | 1.4 | -0.8 |
| Absolute minimum temperature (°C) | -18.2 | -18.3 | -12.0 | -4.9 | 2.6 | 10.0 | 12.9 | 12.8 | 10.5 | -5.0 | -8.5 | -4.8 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 4.8 | 7.5 | 8.0 | 9.5 | 11.5 | 12.8 | 11.4 | 11.3 | 10.6 | 7.8 | 7.0 | 5.0 |
| Precipitation (mm) | 36 | 83 | 36 | 44 | 88 | 78 | 110 | 72 | 47 | 37 | 8 | 44 |
| Sunny days | 19 | 18 | 21 | 19 | 16 | 18 | 17 | 17 | 21 | 16 | 24 | 21 |
| Rainy days | 7 | 7 | 9 | 9 | 15 | 12 | 14 | 14 | 9 | 14 | 4 | 7 |
| Snow days | 5 | 3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 3 |
The best time to visit Griswold during the most sunny months:
The largest precipitation sum in Griswold is at