Temperatuur — 2026
| Mois | Vaals | Simpelveld | Différence |
|---|---|---|---|
| Jan | 2.8 °C | – | – |
| Fév | 6.5 °C | – | – |
| Mar | 7.7 °C | 5.3 °C | +2.4 |
| Avr | 7.9 °C | 8.2 °C | -0.3 |
| Mai | 14.4 °C | 14.4 °C | +0.0 |
| Juin | 19.4 °C | 19.4 °C | +0.0 |
| Juil | 19.7 °C | 19.9 °C | -0.2 |
| Aoû |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Déc | – | – | – |