Temperatuur — 2026
| Month | Chaudfontaine | Fléron | Difference |
|---|---|---|---|
| Jan | 2.9 °C | 2.7 °C | +0.2 |
| Feb | 6.6 °C | 6.4 °C | +0.2 |
| Mar | 7 °C | 6.8 °C | +0.2 |
| Apr | 10.6 °C | 10.3 °C | +0.3 |
| May | 14 °C | 14 °C | +0.0 |
| Jun | 18.7 °C | 18.7 °C | +0.0 |
| Jul | 19.6 °C | 19.6 °C | +0.0 |
| Aug |
| 19.5 °C |
| 19.5 °C |
| +0.0 |
| Sep | 17 °C | 16.7 °C | +0.3 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |