Temperatuur — 2025
| Mois | Merchtem | Opwijk | Différence |
|---|---|---|---|
| Jan | 2.9 °C | 2.9 °C | +0.0 |
| Fév | 4 °C | 4 °C | +0.0 |
| Mar | 7.2 °C | 7.2 °C | +0.0 |
| Avr | 11.7 °C | 11.7 °C | +0.0 |
| Mai | 14.8 °C | 14.8 °C | +0.0 |
| Juin | 19.2 °C | 19.2 °C | +0.0 |
| Juil | 19.2 °C | 19.2 °C | +0.0 |
| Aoû |
| 19.2 °C |
| 19.2 °C |
| +0.0 |
| Sep | 15.7 °C | 15.7 °C | +0.0 |
| Oct | 12.2 °C | 12.2 °C | +0.0 |
| Nov | 8.1 °C | 8.1 °C | +0.0 |
| Déc | 6 °C | 6 °C | +0.0 |