Luchtvochtigheid — 2010
| Month | Court-Saint-Étienne | Ottignies-Louvain-la-Neuve | Difference |
|---|---|---|---|
| Jan | 88 % | – | – |
| Feb | 84.3 % | – | – |
| Mar | 75.7 % | – | – |
| Apr | 71.8 % | – | – |
| May | 75.6 % | – | – |
| Jun | 69.2 % | – | – |
| Jul | 67.7 % | – | – |
| Aug | 78.7 % | – | – |
| Sep |
| 81.1 % |
| – |
| – |
| Oct | 80.8 % | – | – |
| Nov | 88 % | – | – |
| Dec | 90.4 % | – | – |