Bewolking — 2026
| Month | Lennik | Sint-Pieters-Leeuw | Difference |
|---|---|---|---|
| Jan | 78.8 % | 78.8 % | +0.0 |
| Feb | 79.9 % | 79.9 % | +0.0 |
| Mar | 52.9 % | 53.3 % | -0.4 |
| Apr | 58.4 % | 57.9 % | +0.5 |
| May | 59.3 % | 59.3 % | +0.0 |
| Jun | 64 % | 64 % | +0.0 |
| Jul | 42.5 % | 42.5 % | +0.0 |
| Aug |
| 54 % |
| 54 % |
| +0.0 |
| Sep | 67.4 % | 67.4 % | +0.0 |
| Oct | 58.2 % | 58 % | +0.2 |
| Nov | – | – | – |
| Dec | – | – | – |