Temperatuur — 2011
| Month | Court-Saint-Étienne | Mont-Saint-Guibert | Difference |
|---|---|---|---|
| Jan | 3.3 °C | – | – |
| Feb | 5 °C | – | – |
| Mar | 6.7 °C | – | – |
| Apr | 13.3 °C | – | – |
| May | 14.9 °C | – | – |
| Jun | 16.5 °C | – | – |
| Jul | 15.9 °C | – | – |
| Aug | 17.5 °C | – | – |
| Sep |
| 16.4 °C |
| – |
| – |
| Oct | 12.1 °C | – | – |
| Nov | 8.6 °C | – | – |
| Dec | 5.8 °C | – | – |