Luchtvochtigheid — 2023
| Month | Stoumont | Spa | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 84.5 % | 82.3 % | +2.2 |
| Apr | 80.4 % | 78.6 % | +1.8 |
| May | 78.1 % | 77.1 % | +1.0 |
| Jun | 62.1 % | 61 % | +1.1 |
| Jul | 73.6 % | 71.8 % | +1.8 |
| Aug |
| 84.2 % |
| 82.8 % |
| +1.4 |
| Sep | 79.9 % | 77.3 % | +2.6 |
| Oct | 84.6 % | 82.2 % | +2.4 |
| Nov | 92.5 % | 90.7 % | +1.8 |
| Dec | 92.8 % | 90.6 % | +2.2 |