Luchtvochtigheid — 2005
| Month | Court-Saint-Étienne | Ottignies-Louvain-la-Neuve | Difference |
|---|---|---|---|
| Jan | 85.4 % | – | – |
| Feb | 81.8 % | – | – |
| Mar | 81.1 % | – | – |
| Apr | 78.7 % | – | – |
| May | 75.2 % | – | – |
| Jun | 68.7 % | – | – |
| Jul | 77.6 % | – | – |
| Aug | 79 % | – | – |
| Sep |
| 78.1 % |
| – |
| – |
| Oct | 80.5 % | – | – |
| Nov | 87.5 % | – | – |
| Dec | 90 % | – | – |