Average annual temperature is 15.3 °C
Absolute maximum temperature: 40.3 °C
Absolute minimum temperature: -10.0 °C
Number of sunny days: 210 days
Number of rainy days: 153 days
Number of snow days: 2 days
Look at detailed online map of Ketterman
* Weather data for Ketterman 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) | 18.1 | 21.2 | 24.9 | 27.8 | 31.9 | 40.3 | 37.7 | 39.1 | 35.4 | 32.1 | 25.6 | 17.9 |
| Average daytime temperature (°C) | 9.2 | 12.3 | 13.5 | 21.5 | 26.9 | 31.6 | 33.3 | 33.1 | 29.5 | 21.3 | 15.3 | 11.0 |
| Average temperature (°C) | 3.5 | 5.1 | 7.6 | 14.4 | 20.1 | 24.7 | 26.9 | 26.7 | 22.8 | 15.9 | 9.2 | 6.4 |
| Average night temperature (°C) | -0.8 | 0.2 | 3.0 | 8.1 | 14.4 | 18.7 | 21.9 | 21.8 | 17.3 | 11.6 | 4.6 | 3.0 |
| Absolute minimum temperature (°C) | -10.0 | -9.3 | -6.8 | 0.4 | 5.9 | 13.0 | 16.3 | 15.2 | 12.2 | -1.9 | -5.2 | -3.7 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| 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) | 5.8 | 7.5 | 6.9 | 10.5 | 10.6 | 12.6 | 11.4 | 11.3 | 10.3 | 7.8 | 7.5 | 5.4 |
| Precipitation (mm) | 69 | 90 | 108 | 19 | 87 | 81 | 63 | 48 | 65 | 67 | 21 | 91 |
| Sunny days | 17 | 15 | 12 | 21 | 14 | 19 | 15 | 21 | 20 | 18 | 23 | 15 |
| Rainy days | 13 | 12 | 19 | 9 | 17 | 11 | 16 | 10 | 10 | 13 | 7 | 16 |
| Snow days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Ketterman during the most sunny months:
The largest precipitation sum in Ketterman is at