Luchtvochtigheid — 2008
| Month | Court-Saint-Étienne | Ottignies-Louvain-la-Neuve | Difference |
|---|---|---|---|
| Jan | 84.5 % | – | – |
| Feb | 80 % | – | – |
| Mar | 79.1 % | – | – |
| Apr | 76.7 % | – | – |
| May | 70 % | – | – |
| Jun | 78.2 % | – | – |
| Jul | 76.8 % | – | – |
| Aug | 76.6 % | – | – |
| Sep |
| 78.5 % |
| – |
| – |
| Oct | 84.4 % | – | – |
| Nov | 88.2 % | – | – |
| Dec | 89.9 % | – | – |