Average annual temperature is 14.4 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: -9.9 °C
Number of sunny days: 191 days
Number of rainy days: 170 days
Number of snow days: 4 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) | 17.6 | 21.9 | 23.4 | 27.2 | 30.6 | 33.5 | 35.7 | 36.3 | 32.1 | 29.6 | 25.0 | 17.5 |
| Average daytime temperature (°C) | 8.3 | 11.8 | 13.5 | 19.8 | 24.9 | 29.1 | 31.3 | 29.5 | 27.4 | 20.7 | 14.1 | 10.0 |
| Average temperature (°C) | 4.2 | 5.8 | 7.2 | 13.0 | 18.8 | 22.9 | 25.8 | 24.3 | 21.6 | 15.4 | 8.4 | 5.4 |
| Average night temperature (°C) | 1.0 | 1.4 | 2.6 | 7.5 | 13.0 | 17.4 | 20.8 | 19.7 | 16.5 | 10.9 | 4.2 | 2.2 |
| Absolute minimum temperature (°C) | -8.4 | -9.9 | -6.4 | -0.5 | 4.6 | 12.5 | 16.6 | 14.4 | 12.4 | -2.7 | -5.8 | -6.6 |
| 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) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 4.7 | 7.5 | 7.3 | 9.7 | 11.1 | 11.8 | 12.1 | 11.0 | 10.5 | 7.6 | 7.9 | 5.6 |
| Precipitation (mm) | 146 | 50 | 234 | 93 | 68 | 50 | 84 | 155 | 37 | 52 | 19 | 69 |
| Sunny days | 14 | 16 | 14 | 19 | 17 | 17 | 8 | 14 | 17 | 17 | 23 | 15 |
| Rainy days | 15 | 12 | 15 | 11 | 14 | 13 | 23 | 17 | 13 | 14 | 7 | 16 |
| Snow days | 2 | 0 | 2 | 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