Average annual temperature is 12.0 °C
Absolute maximum temperature: 31.1 °C
Absolute minimum temperature: -5.6 °C
Number of sunny days: 121 days
Number of rainy days: 243 days
Number of snow days: 1 day
Look at detailed online map of Sint-Martens-Lennik
* Weather data for Sint-Martens-Lennik Belgium is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 14.7 | 12.5 | 17.0 | 17.3 | 23.9 | 30.0 | 30.8 | 27.7 | 31.1 | 25.1 | 15.4 | 12.6 |
| Average daytime temperature (°C) | 7.3 | 8.6 | 10.7 | 12.5 | 17.9 | 25.0 | 22.3 | 22.1 | 23.4 | 17.2 | 10.2 | 8.7 |
| Average temperature (°C) | 5.2 | 5.4 | 7.3 | 8.6 | 13.3 | 20.0 | 18.5 | 18.1 | 18.8 | 13.7 | 7.8 | 6.7 |
| Average night temperature (°C) | 2.9 | 2.0 | 3.8 | 4.6 | 8.3 | 14.2 | 14.2 | 14.0 | 14.2 | 10.5 | 5.6 | 4.6 |
| Absolute minimum temperature (°C) | -3.6 | -4.4 | -3.3 | -1.8 | 3.5 | 10.2 | 11.5 | 10.9 | 8.9 | 2.6 | -0.6 | -5.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.5 | 10.0 | 11.9 | 13.8 | 15.5 | 16.4 | 16.0 | 14.5 | 12.6 | 10.7 | 9.0 | 8.0 |
| 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 | 7.0 |
| Sunshine mean duration (h) | 3.1 | 4.4 | 4.8 | 7.4 | 10.5 | 12.9 | 10.9 | 10.4 | 9.2 | 6.2 | 3.6 | 2.0 |
| Precipitation (mm) | 80 | 13 | 130 | 81 | 72 | 42 | 115 | 82 | 72 | 124 | 120 | 82 |
| Sunny days | 9 | 13 | 3 | 8 | 15 | 24 | 4 | 8 | 18 | 11 | 2 | 6 |
| Rainy days | 21 | 15 | 28 | 22 | 16 | 6 | 27 | 23 | 12 | 20 | 28 | 25 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Sint-Martens-Lennik during the most sunny months:
Months with the longest average daylight duration in Sint-Martens-Lennik:
The largest precipitation sum in Sint-Martens-Lennik is at