Average annual temperature is 11.2 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: -11.3 °C
Number of sunny days: 127 days
Number of rainy days: 226 days
Number of snow days: 12 days
Look at detailed online map of Heerbrugg
* Weather data for Heerbrugg 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) | 16.3 | 15.8 | 19.5 | 19.3 | 24.1 | 31.1 | 33.6 | 31.1 | 27.6 | 25.7 | 14.9 | 12.1 |
| Average daytime temperature (°C) | 5.9 | 7.8 | 11.1 | 12.3 | 18.4 | 25.8 | 24.8 | 24.3 | 23.1 | 18.5 | 9.2 | 7.4 |
| Average temperature (°C) | 2.4 | 3.0 | 6.7 | 8.2 | 14.1 | 20.3 | 20.2 | 19.7 | 18.0 | 13.1 | 5.5 | 3.2 |
| Average night temperature (°C) | -1.1 | -0.9 | 2.4 | 4.1 | 9.2 | 13.7 | 15.6 | 15.2 | 12.9 | 8.6 | 1.8 | -0.4 |
| Absolute minimum temperature (°C) | -8.6 | -5.4 | -4.4 | -2.9 | 5.1 | 11.0 | 11.1 | 8.6 | 7.1 | 2.5 | -3.6 | -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) | 3.8 | 6.5 | 6.6 | 7.4 | 9.1 | 13.5 | 11.3 | 9.9 | 9.9 | 7.6 | 3.6 | 3.4 |
| Precipitation (mm) | 75 | 62 | 134 | 295 | 192 | 82 | 262 | 295 | 74 | 125 | 300 | 220 |
| Sunny days | 8 | 15 | 10 | 5 | 11 | 15 | 6 | 10 | 18 | 17 | 3 | 9 |
| Rainy days | 14 | 10 | 21 | 25 | 20 | 15 | 25 | 21 | 12 | 14 | 27 | 22 |
| Snow days | 9 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Heerbrugg during the most sunny months:
Months with the longest average daylight duration in Heerbrugg:
The largest precipitation sum in Heerbrugg is at