Neerslag — 2023
| Maand | Braine-l'Alleud | Waterloo | Verschil |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mrt | 122.1 mm | 133 mm | -10.9 |
| Apr | 77.8 mm | 76.6 mm | +1.2 |
| Mei | 80.5 mm | 64.4 mm | +16.1 |
| Jun | 50.4 mm | 35.7 mm | +14.7 |
| Jul | 116.6 mm | 111.2 mm | +5.4 |
| Aug |
| 79.1 mm |
| 80.8 mm |
| -1.7 |
| Sep | 73.3 mm | 76.2 mm | -2.9 |
| Okt | 128.2 mm | 123 mm | +5.2 |
| Nov | 116 mm | 121.2 mm | -5.2 |
| Dec | 85.5 mm | 84.2 mm | +1.3 |