Average annual temperature is 11.4 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: -11.4 °C
Number of sunny days: 142 days
Number of rainy days: 212 days
Number of snow days: 11 days
Look at detailed online map of Basi
* Weather data for Basi 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) | 14.4 | 14.5 | 18.2 | 19.6 | 24.5 | 30.5 | 33.2 | 33.4 | 29.4 | 25.7 | 15.6 | 11.6 |
| Average daytime temperature (°C) | 5.6 | 7.8 | 11.3 | 12.3 | 18.7 | 26.0 | 25.4 | 25.3 | 24.0 | 18.4 | 9.0 | 6.5 |
| Average temperature (°C) | 2.9 | 3.0 | 6.8 | 8.2 | 14.0 | 20.3 | 20.3 | 20.1 | 18.3 | 12.9 | 6.0 | 3.4 |
| Average night temperature (°C) | 0.1 | -0.9 | 2.4 | 3.9 | 9.4 | 13.9 | 15.4 | 15.3 | 13.0 | 8.1 | 3.1 | 0.4 |
| Absolute minimum temperature (°C) | -6.2 | -6.0 | -3.2 | -2.9 | 5.3 | 10.7 | 10.2 | 9.5 | 6.5 | 2.1 | -2.2 | -11.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 9.0 | 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) | 8.0 | 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) | 2.9 | 6.3 | 6.9 | 6.8 | 9.2 | 13.6 | 11.6 | 10.1 | 10.0 | 7.2 | 3.3 | 3.1 |
| Precipitation (mm) | 57 | 27 | 145 | 155 | 113 | 49 | 196 | 115 | 53 | 97 | 220 | 152 |
| Sunny days | 10 | 15 | 12 | 6 | 9 | 17 | 7 | 10 | 22 | 18 | 5 | 11 |
| Rainy days | 16 | 10 | 19 | 24 | 22 | 13 | 24 | 21 | 8 | 13 | 24 | 18 |
| Snow days | 5 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Basi during the most sunny months:
Months with the longest average daylight duration in Basi:
The largest precipitation sum in Basi is at