Temperatuur — 2026
| Month | Brunssum | Heerlen | Difference |
|---|---|---|---|
| Jan | – | 2.8 °C | – |
| Feb | – | 6.5 °C | – |
| Mar | 6.4 °C | 8.6 °C | -2.2 |
| Apr | 9.5 °C | 9.4 °C | +0.1 |
| May | 15 °C | 15 °C | +0.0 |
| Jun | 20.2 °C | 20.2 °C | +0.0 |
| Jul | 21 °C | 21 °C | +0.0 |
| Aug |
| 20.4 °C |
| 20.4 °C |
| +0.0 |
| Sep | 18.3 °C | 18.3 °C | +0.0 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |