Temperatuur — 1997
| Mois | Rijkevorsel | Merksplas | Différence |
|---|---|---|---|
| Jan | -1.3 °C | -1.4 °C | +0.1 |
| Fév | 6.3 °C | 6.2 °C | +0.1 |
| Mar | 8.3 °C | 8.2 °C | +0.1 |
| Avr | 7.8 °C | 7.7 °C | +0.1 |
| Mai | 12.8 °C | 12.7 °C | +0.1 |
| Juin | 16.1 °C | 16 °C | +0.1 |
| Juil | 17.3 °C | 17.2 °C | +0.1 |
| Aoû |
| 21 °C |
| 21 °C |
| +0.0 |
| Sep | 14.9 °C | 14.8 °C | +0.1 |
| Oct | 10.1 °C | 10 °C | +0.1 |
| Nov | 7.3 °C | 7.2 °C | +0.1 |
| Déc | 5 °C | 4.9 °C | +0.1 |