Average annual temperature is 20.9 °C
Absolute maximum temperature: 43.5 °C
Absolute minimum temperature: -7.1 °C
Number of sunny days: 238 days
Number of rainy days: 127 days
Look at detailed online map of Olfen
* Weather data for Olfen United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 28.2 | 30.2 | 32.0 | 34.2 | 37.6 | 43.5 | 41.6 | 43.3 | 40.7 | 32.9 | 30.6 | 26.4 |
| Average daytime temperature (°C) | 18.0 | 18.6 | 24.2 | 27.1 | 30.6 | 36.9 | 38.4 | 39.8 | 34.6 | 27.4 | 19.5 | 17.7 |
| Average temperature (°C) | 10.9 | 10.2 | 16.1 | 19.2 | 24.0 | 29.7 | 32.1 | 33.5 | 28.5 | 20.8 | 13.5 | 10.9 |
| Average night temperature (°C) | 5.3 | 4.4 | 10.5 | 13.1 | 18.1 | 23.3 | 25.6 | 26.6 | 23.1 | 15.4 | 8.8 | 5.6 |
| Absolute minimum temperature (°C) | -5.8 | -7.1 | 1.9 | 6.6 | 14.0 | 16.6 | 20.8 | 21.9 | 18.0 | 0.1 | 0.3 | -1.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.6 | 10.1 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.2 | 7.4 | 8.5 | 9.7 | 10.3 | 12.1 | 12.5 | 12.2 | 10.4 | 8.9 | 7.0 | 7.8 |
| Precipitation (mm) | 21 | 58 | 82 | 29 | 94 | 66 | 2 | 3 | 56 | 148 | 19 | 62 |
| Sunny days | 23 | 16 | 19 | 17 | 8 | 17 | 26 | 27 | 20 | 20 | 21 | 24 |
| Rainy days | 8 | 12 | 12 | 13 | 23 | 13 | 5 | 4 | 10 | 11 | 9 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Olfen during the most sunny months:
The largest precipitation sum in Olfen is at