Average annual temperature is 12.2 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: -4.5 °C
Number of sunny days: 168 days
Number of rainy days: 191 days
Number of snow days: 6 days
Look at detailed online map of Deca
* Weather data for Deca Switzerland is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 14.1 | 16.2 | 17.4 | 18.6 | 24.4 | 28.8 | 30.6 | 33.6 | 26.1 | 28.9 | 15.6 | 15.8 |
| Average daytime temperature (°C) | 7.3 | 10.0 | 12.6 | 14.6 | 18.6 | 23.4 | 25.8 | 26.2 | 22.1 | 18.5 | 11.0 | 8.8 |
| Average temperature (°C) | 3.8 | 4.9 | 7.5 | 9.9 | 14.7 | 19.2 | 21.5 | 21.6 | 17.8 | 14.3 | 6.1 | 4.4 |
| Average night temperature (°C) | 0.0 | 0.5 | 2.2 | 4.7 | 9.9 | 14.0 | 16.0 | 16.0 | 13.0 | 9.8 | 1.5 | 0.5 |
| Absolute minimum temperature (°C) | -3.4 | -4.5 | -2.1 | -1.7 | 7.1 | 9.9 | 10.9 | 10.3 | 7.2 | 5.4 | -2.2 | -3.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 9.1 | 10.4 | 11.9 | 13.6 | 15.0 | 15.7 | 15.3 | 14.1 | 12.5 | 10.9 | 9.5 | 8.7 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 5.7 | 7.9 | 8.3 | 9.2 | 9.9 | 12.3 | 12.8 | 11.0 | 9.0 | 6.7 | 6.3 | 5.4 |
| Precipitation (mm) | 45 | 12 | 79 | 95 | 181 | 138 | 159 | 224 | 270 | 352 | 101 | 60 |
| Sunny days | 18 | 21 | 15 | 16 | 4 | 7 | 9 | 16 | 16 | 13 | 15 | 18 |
| Rainy days | 12 | 3 | 16 | 14 | 27 | 23 | 22 | 15 | 14 | 18 | 15 | 12 |
| Snow days | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Deca during the most sunny months:
Months with the longest average daylight duration in Deca:
The largest precipitation sum in Deca is at