Average annual temperature is 10.6 °C
Absolute maximum temperature: 30.8 °C
Absolute minimum temperature: -6.4 °C
Number of sunny days: 118 days
Number of rainy days: 240 days
Number of snow days: 7 days
Look at detailed online map of Olm
* Weather data for Olm Luxembourg is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 12.4 | 12.6 | 14.4 | 17.2 | 23.0 | 28.8 | 30.8 | 28.6 | 29.0 | 23.5 | 13.8 | 11.0 |
| Average daytime temperature (°C) | 5.2 | 6.9 | 9.2 | 11.5 | 17.7 | 24.6 | 22.5 | 21.6 | 22.3 | 15.8 | 8.0 | 6.2 |
| Average temperature (°C) | 3.3 | 3.2 | 5.8 | 7.4 | 13.0 | 19.5 | 18.1 | 17.3 | 17.2 | 11.9 | 6.0 | 4.5 |
| Average night temperature (°C) | 1.3 | 0.2 | 2.3 | 3.0 | 8.2 | 13.4 | 13.4 | 12.9 | 12.1 | 8.3 | 3.9 | 2.8 |
| Absolute minimum temperature (°C) | -6.1 | -6.4 | -4.1 | -4.4 | 2.8 | 8.2 | 8.6 | 8.0 | 5.2 | 1.1 | -5.1 | -4.9 |
| 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 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.7 | 10.1 | 11.9 | 13.8 | 15.4 | 16.2 | 15.8 | 14.4 | 12.6 | 10.8 | 9.1 | 8.2 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 2.1 | 5.2 | 5.6 | 8.4 | 11.5 | 13.5 | 10.6 | 9.9 | 10.1 | 5.9 | 2.8 | 1.8 |
| Precipitation (mm) | 109 | 12 | 121 | 75 | 53 | 25 | 87 | 116 | 54 | 110 | 150 | 79 |
| Sunny days | 6 | 16 | 7 | 6 | 13 | 18 | 7 | 8 | 17 | 12 | 1 | 7 |
| Rainy days | 21 | 11 | 23 | 24 | 18 | 12 | 24 | 23 | 13 | 19 | 29 | 23 |
| Snow days | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Olm during the most sunny months:
Months with the longest average daylight duration in Olm:
The largest precipitation sum in Olm is at