Bewolking — 2007
| Month | Mont-Saint-Guibert | Court-Saint-Étienne | Difference |
|---|---|---|---|
| Jan | – | 82.3 % | – |
| Feb | – | 84.6 % | – |
| Mar | – | 56.4 % | – |
| Apr | – | 37.9 % | – |
| May | – | 68.6 % | – |
| Jun | – | 72.8 % | – |
| Jul | – | 63.3 % | – |
| Aug | – | 68.7 % | – |
| Sep |
| – |
| 67.7 % |
| – |
| Oct | – | 65.8 % | – |
| Nov | – | 73.6 % | – |
| Dec | – | 59 % | – |