Average annual temperature is 14.8 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: -7.2 °C
Number of sunny days: 185 days
Number of rainy days: 179 days
Number of snow days: 1 day
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) | 19.1 | 23.3 | 25.7 | 28.1 | 29.6 | 34.2 | 35.9 | 36.2 | 31.7 | 30.0 | 26.3 | 17.1 |
| Average daytime temperature (°C) | 10.4 | 14.1 | 14.6 | 20.2 | 24.5 | 29.1 | 30.8 | 29.5 | 27.8 | 21.2 | 15.2 | 11.1 |
| Average temperature (°C) | 5.9 | 7.6 | 8.3 | 13.5 | 18.4 | 22.4 | 25.0 | 23.9 | 21.4 | 15.7 | 9.1 | 5.9 |
| Average night temperature (°C) | 2.6 | 3.3 | 3.5 | 8.0 | 13.1 | 16.6 | 20.3 | 19.4 | 16.2 | 11.3 | 4.6 | 2.3 |
| Absolute minimum temperature (°C) | -5.3 | -6.9 | -7.2 | 0.6 | 4.9 | 10.8 | 15.9 | 13.9 | 12.0 | -1.9 | -5.1 | -6.4 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 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) | 5.0 | 7.4 | 7.7 | 9.6 | 10.7 | 11.4 | 11.4 | 10.2 | 10.7 | 7.5 | 7.8 | 6.1 |
| Precipitation (mm) | 133 | 106 | 185 | 102 | 77 | 89 | 134 | 83 | 16 | 91 | 56 | 86 |
| Sunny days | 11 | 15 | 15 | 18 | 15 | 17 | 11 | 13 | 14 | 19 | 22 | 15 |
| Rainy days | 20 | 13 | 15 | 12 | 16 | 13 | 20 | 18 | 16 | 12 | 8 | 16 |
| Snow days | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Decker during the most sunny months:
The largest precipitation sum in Decker is at