Average annual temperature is 11.1 °C
Absolute maximum temperature: 33.0 °C
Absolute minimum temperature: -11.6 °C
Number of sunny days: 139 days
Number of rainy days: 215 days
Number of snow days: 11 days
Look at detailed online map of Grossacker/Opfikon
* Weather data for Grossacker/Opfikon 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) | 14.1 | 14.0 | 18.1 | 19.4 | 24.3 | 30.1 | 33.0 | 32.6 | 28.9 | 25.2 | 15.2 | 11.4 |
| Average daytime temperature (°C) | 5.2 | 7.4 | 10.8 | 12.0 | 18.4 | 25.7 | 25.1 | 24.9 | 23.6 | 18.0 | 8.7 | 6.1 |
| Average temperature (°C) | 2.5 | 2.6 | 6.4 | 7.9 | 13.6 | 20.1 | 20.0 | 19.8 | 18.1 | 12.8 | 5.7 | 3.1 |
| Average night temperature (°C) | -0.4 | -1.3 | 2.1 | 3.6 | 8.9 | 13.7 | 15.2 | 15.2 | 13.0 | 8.2 | 2.7 | 0.1 |
| Absolute minimum temperature (°C) | -6.4 | -6.6 | -3.6 | -3.2 | 4.3 | 10.5 | 9.6 | 10.2 | 6.2 | 2.3 | -2.6 | -11.6 |
| 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 | 7.1 | 9.2 | 13.6 | 11.7 | 10.2 | 10.3 | 7.4 | 3.4 | 3.5 |
| Precipitation (mm) | 66 | 29 | 137 | 161 | 110 | 50 | 146 | 147 | 54 | 101 | 220 | 163 |
| Sunny days | 10 | 14 | 11 | 6 | 10 | 16 | 8 | 12 | 21 | 17 | 4 | 10 |
| Rainy days | 15 | 11 | 20 | 24 | 21 | 14 | 23 | 19 | 9 | 14 | 25 | 20 |
| Snow days | 6 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Grossacker/Opfikon during the most sunny months:
Months with the longest average daylight duration in Grossacker/Opfikon:
The largest precipitation sum in Grossacker/Opfikon is at