Luchtvochtigheid — 1997
| Month | Court-Saint-Étienne | Mont-Saint-Guibert | Difference |
|---|---|---|---|
| Jan | 83.4 % | – | – |
| Feb | 81.4 % | – | – |
| Mar | 81.9 % | – | – |
| Apr | 71 % | – | – |
| May | 75.4 % | – | – |
| Jun | 75 % | – | – |
| Jul | 80.7 % | – | – |
| Aug | 73.3 % | – | – |
| Sep |
| 74.5 % |
| – |
| – |
| Oct | 78.8 % | – | – |
| Nov | 86 % | – | – |
| Dec | 86 % | – | – |