Bewolking — 2022
| Month | Court-Saint-Étienne | Mont-Saint-Guibert | Difference |
|---|---|---|---|
| Jan | 76.2 % | – | – |
| Feb | 65.2 % | – | – |
| Mar | 40.4 % | – | – |
| Apr | 70.2 % | – | – |
| May | 65.7 % | – | – |
| Jun | 59.7 % | – | – |
| Jul | 56.8 % | – | – |
| Aug | 53.6 % | – | – |
| Sep |
| 68.9 % |
| – |
| – |
| Oct | 72.4 % | – | – |
| Nov | 74.7 % | – | – |
| Dec | 82 % | – | – |