Temperatuur — 2026
| Month | Grez-Doiceau | Chaumont-Gistoux | Difference |
|---|---|---|---|
| Jan | 3.4 °C | 3.4 °C | +0.0 |
| Feb | 7 °C | 7 °C | +0.0 |
| Mar | 8 °C | 7.9 °C | +0.1 |
| Apr | 10.8 °C | 10.4 °C | +0.4 |
| May | 14.9 °C | 14.9 °C | +0.0 |
| Jun | 19.5 °C | 19.5 °C | +0.0 |
| Jul | 20.5 °C | 20.5 °C | +0.0 |
| Aug |
| 19.9 °C |
| 19.9 °C |
| +0.0 |
| Sep | 17.7 °C | 17.4 °C | +0.3 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |