Temperatuur — 2026
| Month | Simpelveld | Vaals | Difference |
|---|---|---|---|
| Jan | – | 2.8 °C | – |
| Feb | – | 6.5 °C | – |
| Mar | 5.3 °C | 7.7 °C | -2.4 |
| Apr | 8.2 °C | 7.9 °C | +0.3 |
| May | 14.4 °C | 14.4 °C | +0.0 |
| Jun | 19.4 °C | 19.4 °C | +0.0 |
| Jul | 19.9 °C | 19.7 °C | +0.2 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |