Temperatuur — 2002
| Month | Court-Saint-Étienne | Mont-Saint-Guibert | Difference |
|---|---|---|---|
| Jan | 4.2 °C | – | – |
| Feb | 6.9 °C | – | – |
| Mar | 7.3 °C | – | – |
| Apr | 9.3 °C | – | – |
| May | 13.4 °C | – | – |
| Jun | 17 °C | – | – |
| Jul | 17.4 °C | – | – |
| Aug | 18.3 °C | – | – |
| Sep |
| 14.2 °C |
| – |
| – |
| Oct | 10.9 °C | – | – |
| Nov | 8.6 °C | – | – |
| Dec | 4.6 °C | – | – |