Bewolking — 2006
| Month | Court-Saint-Étienne | Mont-Saint-Guibert | Difference |
|---|---|---|---|
| Jan | 59.9 % | – | – |
| Feb | 81.2 % | – | – |
| Mar | 67.3 % | – | – |
| Apr | 67.3 % | – | – |
| May | 77.5 % | – | – |
| Jun | 52.6 % | – | – |
| Jul | 47.4 % | – | – |
| Aug | 74.1 % | – | – |
| Sep |
| 58.6 % |
| – |
| – |
| Oct | 70.9 % | – | – |
| Nov | 70.1 % | – | – |
| Dec | 82 % | – | – |