Temperatuur — 2026
| Month | Herstal | Beyne-Heusay | Difference |
|---|---|---|---|
| Jan | 3 °C | 2.7 °C | +0.3 |
| Feb | 6.8 °C | 6.4 °C | +0.4 |
| Mar | 8.6 °C | 6.8 °C | +1.8 |
| Apr | 12.6 °C | 10.6 °C | +2.0 |
| May | 14.7 °C | 14 °C | +0.7 |
| Jun | 19.6 °C | 18.7 °C | +0.9 |
| Jul | 20.5 °C | 19.6 °C | +0.9 |
| Aug |
| 20.1 °C |
| 19.5 °C |
| +0.6 |
| Sep | 18.5 °C | 16.9 °C | +1.6 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |