Temperatuur — 2023
| Maand | Genappe | Braine-l'Alleud | Verschil |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mrt | 7.8 °C | 8 °C | -0.2 |
| Apr | 8 °C | 8.3 °C | -0.3 |
| Mei | 12.8 °C | 13 °C | -0.2 |
| Jun | 19.5 °C | 19.8 °C | -0.3 |
| Jul | 18.1 °C | 18.3 °C | -0.2 |
| Aug |
| 17.7 °C |
| 17.9 °C |
| -0.2 |
| Sep | 18.2 °C | 18.6 °C | -0.4 |
| Okt | 13.3 °C | 13.5 °C | -0.2 |
| Nov | 7.2 °C | 7.4 °C | -0.2 |
| Dec | 6.1 °C | 6.4 °C | -0.3 |