Luchtvochtigheid — 2023
| Month | Spa | Verviers | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 82.3 % | 82.1 % | +0.2 |
| Apr | 78.6 % | 78.2 % | +0.4 |
| May | 77.1 % | 77.2 % | -0.1 |
| Jun | 61 % | 60.7 % | +0.3 |
| Jul | 71.8 % | 70.6 % | +1.2 |
| Aug |
| 82.8 % |
| 82.3 % |
| +0.5 |
| Sep | 77.3 % | 76.5 % | +0.8 |
| Oct | 82.2 % | 81.4 % | +0.8 |
| Nov | 90.7 % | 90 % | +0.7 |
| Dec | 90.6 % | 89.7 % | +0.9 |