Average annual temperature is 11.5 °C
Absolute maximum temperature: 31.9 °C
Absolute minimum temperature: -5.4 °C
Number of sunny days: 118
Number of rainy days: 240
Number of snow days: 7
Average annual precipitation: 1006 mm
Look at detailed online map of Mersch
* Weather data for Mersch Luxembourg is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 13 | 13.3 | 15 | 18.2 | 24.2 | 30 | 31.9 | 29.5 | 29.9 | 24.2 | 14.6 | 11.8 |
| Average daytime temperature (°C) | 6 | 7.8 | 10.1 | 12.4 | 18.6 | 25.7 | 23.4 | 22.5 | 23.2 | 16.6 | 8.8 | 7.1 |
| Average temperature (°C) | 4.2 | 4.1 | 6.6 | 8.2 | 13.9 | 20.4 | 18.9 | 18 | 17.9 | 12.6 | 7 | 5.3 |
| Average night temperature (°C) | 2.1 | 1 | 3.2 | 3.7 | 8.9 | 14.1 | 13.8 | 13.4 | 12.5 | 8.9 | 4.6 | 3.6 |
| Absolute minimum temperature (°C) | -5.4 | -5.2 | -3.7 | -3.6 | 3.5 | 8.9 | 8.1 | 8.5 | 5.5 | 1.3 | -4.3 | -4.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.3 | 10.9 | 12.8 | 14.6 | 16 | 16.3 | 16.3 | 15.2 | 13.5 | 11.7 | 9.8 | 8.5 |
| Daylight mean duration (h) | 8.7 | 10.1 | 11.9 | 13.8 | 15.4 | 16.3 | 15.8 | 14.4 | 12.6 | 10.8 | 9.1 | 8.2 |
| Daylight minimum duration (h) | 8.2 | 9.4 | 11 | 12.9 | 14.7 | 16 | 15.3 | 13.6 | 11.7 | 9.9 | 8.5 | 8.1 |
| Sunshine mean duration (h) | 2.9 | 6.1 | 5.7 | 8.4 | 11.6 | 13.5 | 10.9 | 9.8 | 10 | 6.5 | 3.5 | 3.2 |
| Precipitation (mm) | 115 | 11 | 130 | 80 | 52 | 27 | 78 | 126 | 45 | 111 | 155 | 78 |
| Sunny days | 6 | 18 | 6 | 6 | 13 | 17 | 8 | 8 | 17 | 12 | 1 | 6 |
| Rainy days | 21 | 9 | 24 | 24 | 18 | 13 | 23 | 23 | 13 | 19 | 29 | 24 |
| Snow days | 4 | 1 | 1 | 1 |
The best time to visit Mersch during the most sunny months:
Months with the longest average daylight duration in Mersch:
The largest precipitation sum in Mersch is at