Temperatuur — 2026
| Month | Theux | Spa | Difference |
|---|---|---|---|
| Jan | 3.1 °C | 1.7 °C | +1.4 |
| Feb | 6.7 °C | 5.3 °C | +1.4 |
| Mar | 7.5 °C | 7.3 °C | +0.2 |
| Apr | 10.3 °C | 10.5 °C | -0.2 |
| May | 14 °C | 14 °C | +0.0 |
| Jun | 18.7 °C | 18.7 °C | +0.0 |
| Jul | 19.3 °C | 19.3 °C | +0.0 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |