Average annual temperature is 12.1 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: -10 °C
Number of sunny days: 125
Number of rainy days: 231
Number of snow days: 9
Average annual precipitation: 1422 mm
Look at detailed online map of Sissach
* Weather data for Sissach Switzerland is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 15.4 | 15.4 | 19.6 | 19.7 | 24.2 | 30.1 | 34.6 | 34.5 | 29.6 | 26.2 | 15.8 | 13.2 |
| Average daytime temperature (°C) | 6.2 | 8.5 | 11.7 | 12.6 | 18.6 | 25.8 | 25.4 | 25.4 | 24.5 | 18.7 | 9.7 | 7.7 |
| Average temperature (°C) | 3.6 | 4.3 | 7.4 | 8.6 | 14.1 | 20.5 | 20.6 | 20.6 | 19.2 | 14.1 | 6.8 | 4.9 |
| Average night temperature (°C) | 1.1 | 0.7 | 3.5 | 4.8 | 9.6 | 15 | 16.1 | 16.2 | 14.2 | 9.7 | 3.9 | 2.7 |
| Absolute minimum temperature (°C) | -10 | -5.7 | -2.3 | -2 | 4.8 | 11.5 | 12 | 10.1 | 7.9 | 2.8 | -2.7 | -5.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.5 | 11 | 12.8 | 14.4 | 15.7 | 16 | 15.9 | 15 | 13.4 | 11.7 | 10 | 8.8 |
| Daylight mean duration (h) | 9 | 10.3 | 11.9 | 13.6 | 15.1 | 15.9 | 15.5 | 14.2 | 12.6 | 10.9 | 9.3 | 8.5 |
| Daylight minimum duration (h) | 8.5 | 9.6 | 11.1 | 12.8 | 14.5 | 15.7 | 15 | 13.4 | 11.8 | 10.1 | 8.8 | 8.4 |
| Sunshine mean duration (h) | 3 | 6.6 | 7.4 | 7.7 | 10 | 13.5 | 11.9 | 10.4 | 10.4 | 7.7 | 5.1 | 4.6 |
| Precipitation (mm) | 73 | 25 | 128 | 118 | 111 | 64 | 177 | 129 | 49 | 129 | 261 | 158 |
| Sunny days | 9 | 12 | 10 | 3 | 6 | 16 | 7 | 12 | 20 | 16 | 3 | 11 |
| Rainy days | 16 | 13 | 21 | 27 | 25 | 14 | 24 | 19 | 10 | 15 | 27 | 20 |
| Snow days | 6 | 3 |
The best time to visit Sissach during the most sunny months:
Months with the longest average daylight duration in Sissach:
The largest precipitation sum in Sissach is at