Average annual temperature is 9.8 °C
Absolute maximum temperature: 31.0 °C
Absolute minimum temperature: -9.2 °C
Number of sunny days: 146 days
Number of rainy days: 203 days
Number of snow days: 16 days
Look at detailed online map of Busio
* Weather data for Busio 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) | 13.3 | 14.8 | 15.8 | 17.0 | 22.1 | 27.0 | 28.1 | 31.0 | 24.2 | 26.7 | 14.5 | 14.8 |
| Average daytime temperature (°C) | 5.5 | 8.3 | 10.5 | 12.6 | 16.6 | 21.4 | 23.4 | 23.6 | 20.2 | 16.6 | 8.7 | 7.1 |
| Average temperature (°C) | 1.4 | 2.9 | 5.2 | 7.6 | 12.4 | 17.1 | 18.8 | 18.9 | 15.6 | 12.1 | 3.2 | 1.9 |
| Average night temperature (°C) | -2.2 | -1.5 | 0.0 | 2.2 | 8.1 | 12.5 | 14.0 | 13.9 | 11.0 | 7.8 | -1.4 | -2.1 |
| Absolute minimum temperature (°C) | -7.5 | -8.6 | -5.2 | -5.3 | 3.8 | 8.6 | 8.6 | 7.2 | 5.4 | 2.6 | -4.6 | -9.2 |
| 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 | 7.8 | 8.1 | 9.3 | 9.5 | 12.0 | 12.6 | 10.9 | 8.9 | 6.7 | 6.3 | 5.5 |
| Precipitation (mm) | 65 | 16 | 84 | 103 | 209 | 204 | 196 | 268 | 257 | 337 | 100 | 63 |
| Sunny days | 16 | 19 | 12 | 12 | 2 | 7 | 4 | 13 | 15 | 13 | 14 | 19 |
| Rainy days | 8 | 4 | 18 | 18 | 29 | 23 | 27 | 18 | 15 | 18 | 14 | 11 |
| Snow days | 7 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |
The best time to visit Busio during the most sunny months:
Months with the longest average daylight duration in Busio:
The largest precipitation sum in Busio is at