Neerslag — 2020
| Month | Mont-Saint-Guibert | Chastre | Difference |
|---|---|---|---|
| Jan | 35.2 mm | 42.4 mm | -7.2 |
| Feb | 123.9 mm | 138.6 mm | -14.7 |
| Mar | 65.9 mm | 73.6 mm | -7.7 |
| Apr | 23.2 mm | 26.7 mm | -3.5 |
| May | 18.1 mm | 23.7 mm | -5.6 |
| Jun | 68.9 mm | 70.5 mm | -1.6 |
| Jul | 51.1 mm | 50 mm | +1.1 |
| Aug | – | – | – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |