Temperatuur — 2015
| Month | Court-Saint-Étienne | Mont-Saint-Guibert | Difference |
|---|---|---|---|
| Jan | 3.2 °C | – | – |
| Feb | 3.2 °C | – | – |
| Mar | 6.2 °C | – | – |
| Apr | 9.4 °C | – | – |
| May | 12.6 °C | – | – |
| Jun | 16.4 °C | – | – |
| Jul | 19.1 °C | – | – |
| Aug | 19.5 °C | – | – |
| Sep |
| 13.6 °C |
| – |
| – |
| Oct | 10.5 °C | – | – |
| Nov | 9.8 °C | – | – |
| Dec | 9.2 °C | – | – |