Average annual temperature is 10.9 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -12.9 °C
Number of sunny days: 138 days
Number of rainy days: 215 days
Number of snow days: 12 days
Look at detailed online map of Winterthur
* Weather data for Winterthur 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) | 13.9 | 13.4 | 17.9 | 18.7 | 23.7 | 30.3 | 33.6 | 33.9 | 28.5 | 24.5 | 14.6 | 10.8 |
| Average daytime temperature (°C) | 4.7 | 7.0 | 10.3 | 11.5 | 17.8 | 25.3 | 24.7 | 24.6 | 23.1 | 17.6 | 8.2 | 5.9 |
| Average temperature (°C) | 2.1 | 2.5 | 6.1 | 7.6 | 13.4 | 19.8 | 19.8 | 19.6 | 17.9 | 12.9 | 5.3 | 3.2 |
| Average night temperature (°C) | -0.5 | -1.1 | 2.1 | 3.6 | 9.1 | 13.8 | 15.2 | 15.1 | 13.0 | 9.0 | 2.5 | 0.5 |
| Absolute minimum temperature (°C) | -7.1 | -6.8 | -3.6 | -3.1 | 5.6 | 10.8 | 10.6 | 9.7 | 6.2 | 1.9 | -3.8 | -12.9 |
| 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) | 3.0 | 6.5 | 7.1 | 7.4 | 9.3 | 13.6 | 11.5 | 10.2 | 10.3 | 7.4 | 3.4 | 3.4 |
| Precipitation (mm) | 58 | 27 | 148 | 167 | 118 | 76 | 129 | 135 | 48 | 123 | 244 | 149 |
| Sunny days | 10 | 16 | 11 | 6 | 11 | 16 | 8 | 10 | 20 | 16 | 4 | 10 |
| Rainy days | 15 | 9 | 20 | 24 | 20 | 14 | 23 | 21 | 10 | 15 | 25 | 19 |
| Snow days | 6 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Winterthur during the most sunny months:
Months with the longest average daylight duration in Winterthur:
The largest precipitation sum in Winterthur is at