Luchtvochtigheid — 2011
| Month | Court-Saint-Étienne | Ottignies-Louvain-la-Neuve | Difference |
|---|---|---|---|
| Jan | 90.6 % | – | – |
| Feb | 85.5 % | – | – |
| Mar | 77.3 % | – | – |
| Apr | 66.9 % | – | – |
| May | 61.8 % | – | – |
| Jun | 72.8 % | – | – |
| Jul | 75.5 % | – | – |
| Aug | 79.4 % | – | – |
| Sep |
| 79.3 % |
| – |
| – |
| Oct | 79.3 % | – | – |
| Nov | 88.4 % | – | – |
| Dec | 87.3 % | – | – |