Average annual temperature is 11.8 °C
Absolute maximum temperature: 32.2 °C
Absolute minimum temperature: -11.1 °C
Number of sunny days: 165 days
Number of rainy days: 194 days
Number of snow days: 6 days
Look at detailed online map of Decker
* Weather data for Decker 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) | 15.1 | 21.0 | 22.5 | 27.2 | 27.7 | 31.7 | 31.6 | 30.9 | 32.2 | 27.0 | 18.6 | 15.8 |
| Average daytime temperature (°C) | 7.4 | 11.0 | 10.8 | 17.9 | 21.0 | 25.1 | 28.3 | 26.5 | 24.2 | 17.9 | 11.1 | 8.3 |
| Average temperature (°C) | 2.9 | 4.2 | 4.6 | 11.2 | 14.8 | 18.9 | 22.6 | 21.1 | 18.5 | 12.8 | 5.6 | 4.1 |
| Average night temperature (°C) | -0.3 | -0.5 | -0.1 | 5.4 | 9.3 | 13.6 | 18.1 | 16.5 | 14.1 | 8.8 | 1.4 | 0.9 |
| Absolute minimum temperature (°C) | -7.4 | -11.1 | -8.9 | -1.7 | 1.3 | 8.0 | 14.4 | 11.4 | 9.0 | 0.0 | -8.0 | -6.1 |
| 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) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 14.9 | 14.7 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| 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) | 3.3 | 6.9 | 7.1 | 8.7 | 10.2 | 11.0 | 11.4 | 10.8 | 9.3 | 7.4 | 7.0 | 5.0 |
| Precipitation (mm) | 111 | 69 | 127 | 80 | 78 | 93 | 134 | 113 | 46 | 77 | 48 | 105 |
| Sunny days | 9 | 14 | 13 | 16 | 17 | 14 | 8 | 11 | 14 | 14 | 21 | 14 |
| Rainy days | 20 | 13 | 17 | 14 | 14 | 16 | 23 | 20 | 16 | 17 | 8 | 16 |
| Snow days | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Decker during the most sunny months:
The largest precipitation sum in Decker is at