Average annual temperature is 10.8 °C
Absolute maximum temperature: 33.1 °C
Absolute minimum temperature: -11.3 °C
Number of sunny days: 137 days
Number of rainy days: 216 days
Number of snow days: 12 days
Look at detailed online map of First
* Weather data for First 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) | 13.7 | 13.4 | 18.0 | 18.7 | 23.6 | 30.4 | 33.1 | 32.9 | 28.3 | 24.5 | 14.1 | 10.7 |
| Average daytime temperature (°C) | 4.7 | 7.0 | 10.3 | 11.6 | 17.8 | 25.2 | 24.6 | 24.4 | 23.1 | 17.6 | 8.2 | 6.0 |
| Average temperature (°C) | 2.1 | 2.3 | 6.0 | 7.6 | 13.3 | 19.7 | 19.6 | 19.5 | 17.8 | 12.7 | 5.3 | 2.9 |
| Average night temperature (°C) | -0.5 | -1.3 | 1.8 | 3.6 | 8.9 | 13.7 | 15.0 | 14.8 | 12.7 | 8.6 | 2.6 | -0.1 |
| Absolute minimum temperature (°C) | -6.7 | -6.3 | -3.7 | -3.2 | 5.0 | 10.3 | 10.6 | 9.4 | 5.3 | 2.2 | -2.5 | -11.3 |
| 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) | 3.1 | 6.5 | 7.1 | 7.2 | 9.1 | 13.6 | 11.5 | 10.2 | 10.3 | 7.4 | 3.3 | 3.5 |
| Precipitation (mm) | 66 | 34 | 153 | 159 | 125 | 53 | 170 | 153 | 54 | 131 | 252 | 164 |
| Sunny days | 11 | 15 | 10 | 5 | 9 | 17 | 8 | 10 | 21 | 16 | 5 | 10 |
| Rainy days | 13 | 11 | 21 | 25 | 22 | 13 | 23 | 21 | 9 | 15 | 24 | 19 |
| Snow days | 7 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit First during the most sunny months:
Months with the longest average daylight duration in First:
The largest precipitation sum in First is at