Average annual temperature is 9.4 °C
Absolute maximum temperature: 30.8 °C
Absolute minimum temperature: -12.4 °C
Number of sunny days: 154 days
Number of rainy days: 195 days
Number of snow days: 16 days
Look at detailed online map of Grassen
* Weather data for Grassen Austria is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 9.2 | 11.3 | 18.0 | 18.4 | 23.1 | 29.8 | 29.8 | 30.8 | 26.2 | 23.7 | 12.8 | 7.4 |
| Average daytime temperature (°C) | 3.5 | 5.4 | 10.5 | 12.1 | 17.7 | 22.7 | 24.6 | 24.0 | 22.5 | 17.4 | 8.0 | 4.4 |
| Average temperature (°C) | -0.3 | -0.3 | 5.3 | 6.8 | 12.9 | 17.3 | 19.4 | 18.8 | 16.4 | 12.4 | 3.7 | -0.2 |
| Average night temperature (°C) | -3.5 | -5.0 | 0.5 | 1.6 | 8.0 | 11.7 | 14.0 | 13.8 | 11.1 | 7.9 | 0.1 | -3.5 |
| Absolute minimum temperature (°C) | -10.1 | -12.4 | -3.9 | -4.8 | 3.9 | 8.3 | 7.6 | 7.2 | 6.8 | -0.9 | -4.7 | -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 | 7.8 | 7.4 | 8.5 | 9.2 | 12.3 | 11.7 | 10.2 | 10.3 | 7.4 | 6.1 | 4.9 |
| Precipitation (mm) | 62 | 15 | 33 | 83 | 134 | 174 | 143 | 154 | 32 | 148 | 106 | 117 |
| Sunny days | 15 | 22 | 12 | 9 | 5 | 9 | 5 | 15 | 17 | 17 | 10 | 18 |
| Rainy days | 9 | 5 | 16 | 21 | 26 | 21 | 26 | 16 | 13 | 14 | 18 | 10 |
| Snow days | 7 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The best time to visit Grassen during the most sunny months:
Months with the longest average daylight duration in Grassen:
The largest precipitation sum in Grassen is at