Temperatuur — 2020
| Month | Court-Saint-Étienne | Mont-Saint-Guibert | Difference |
|---|---|---|---|
| Jan | 5.5 °C | 5.7 °C | -0.2 |
| Feb | 6.8 °C | 7 °C | -0.2 |
| Mar | 6.6 °C | 6.9 °C | -0.3 |
| Apr | 11.9 °C | 12 °C | -0.1 |
| May | 13.5 °C | 13.6 °C | -0.1 |
| Jun | 17.1 °C | 17.1 °C | +0.0 |
| Jul | 17.4 °C | 17.5 °C | -0.1 |
| Aug | 20.5 °C | – | – |
| Sep | 16 °C | – | – |
| Oct | 11 °C | – | – |
| Nov | 8.6 °C | – | – |
| Dec | 5 °C | – | – |