Average annual temperature is 9.5 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: -14.6 °C
Number of sunny days: 128 days
Number of rainy days: 221 days
Number of snow days: 16 days
Look at detailed online map of Hermiswil
* Weather data for Hermiswil 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) | 13.0 | 12.9 | 17.7 | 17.1 | 20.4 | 27.7 | 31.1 | 33.5 | 26.6 | 23.2 | 15.3 | 11.1 |
| Average daytime temperature (°C) | 3.0 | 6.1 | 9.1 | 9.7 | 15.4 | 22.8 | 23.1 | 23.3 | 21.5 | 16.5 | 7.3 | 5.9 |
| Average temperature (°C) | -0.2 | 1.9 | 4.9 | 5.9 | 11.3 | 17.9 | 18.2 | 18.5 | 16.7 | 11.7 | 3.9 | 2.3 |
| Average night temperature (°C) | -3.5 | -1.7 | 0.8 | 1.9 | 7.4 | 13.1 | 13.8 | 14.0 | 12.1 | 7.3 | 0.5 | -0.9 |
| Absolute minimum temperature (°C) | -14.6 | -8.0 | -5.2 | -4.7 | 3.5 | 10.1 | 9.0 | 7.5 | 4.5 | 1.8 | -5.7 | -11.1 |
| 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) | 9.0 | 10.3 | 11.9 | 13.6 | 15.0 | 15.8 | 15.4 | 14.2 | 12.6 | 10.9 | 9.4 | 8.6 |
| 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) | 3.8 | 7.2 | 7.2 | 8.0 | 9.4 | 13.1 | 12.2 | 10.3 | 10.5 | 7.7 | 3.8 | 4.1 |
| Precipitation (mm) | 86 | 21 | 157 | 157 | 149 | 106 | 240 | 160 | 89 | 121 | 262 | 208 |
| Sunny days | 9 | 17 | 11 | 7 | 5 | 12 | 8 | 12 | 17 | 16 | 3 | 11 |
| Rainy days | 13 | 8 | 19 | 23 | 26 | 18 | 23 | 19 | 13 | 15 | 25 | 19 |
| Snow days | 9 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |
The best time to visit Hermiswil during the most sunny months:
Months with the longest average daylight duration in Hermiswil:
The largest precipitation sum in Hermiswil is at