Luchtvochtigheid — 2003
| Month | Court-Saint-Étienne | Mont-Saint-Guibert | Difference |
|---|---|---|---|
| Jan | 84.3 % | – | – |
| Feb | 76.9 % | – | – |
| Mar | 76 % | – | – |
| Apr | 66.2 % | – | – |
| May | 75.2 % | – | – |
| Jun | 72.1 % | – | – |
| Jul | 71.2 % | – | – |
| Aug | 68.4 % | – | – |
| Sep |
| 70.8 % |
| – |
| – |
| Oct | 80.1 % | – | – |
| Nov | 86.7 % | – | – |
| Dec | 88.5 % | – | – |