Average annual temperature is 11.6 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: -5.2 °C
Number of sunny days: 131 days
Number of rainy days: 224 days
Number of snow days: 10 days
Look at detailed online map of St. Margrethen
* Weather data for St. Margrethen 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) | 13.4 | 15.0 | 18.0 | 19.3 | 24.3 | 30.6 | 33.7 | 30.7 | 27.6 | 24.9 | 13.9 | 11.6 |
| Average daytime temperature (°C) | 5.6 | 6.5 | 10.6 | 12.2 | 18.6 | 25.7 | 24.7 | 24.2 | 23.1 | 17.9 | 9.3 | 7.1 |
| Average temperature (°C) | 2.6 | 2.8 | 6.6 | 8.6 | 14.5 | 20.7 | 20.5 | 20.1 | 18.7 | 13.6 | 6.2 | 4.1 |
| Average night temperature (°C) | -0.1 | -0.5 | 2.9 | 4.9 | 10.4 | 15.4 | 16.5 | 16.2 | 14.2 | 9.5 | 3.3 | 1.0 |
| Absolute minimum temperature (°C) | -4.8 | -4.9 | -3.8 | -1.7 | 5.2 | 12.5 | 11.8 | 9.3 | 8.3 | 4.1 | -1.6 | -5.2 |
| 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) | 8.9 | 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) | 4.0 | 6.6 | 6.7 | 7.6 | 9.4 | 13.5 | 11.3 | 9.9 | 10.0 | 7.5 | 3.7 | 3.4 |
| Precipitation (mm) | 85 | 54 | 164 | 293 | 198 | 73 | 284 | 297 | 87 | 132 | 317 | 214 |
| Sunny days | 7 | 15 | 12 | 6 | 10 | 16 | 6 | 11 | 18 | 18 | 3 | 9 |
| Rainy days | 16 | 12 | 19 | 24 | 21 | 14 | 25 | 20 | 12 | 13 | 26 | 22 |
| Snow days | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The best time to visit St. Margrethen during the most sunny months:
Months with the longest average daylight duration in St. Margrethen:
The largest precipitation sum in St. Margrethen is at