Luchtvochtigheid — 2017
| Month | Court-Saint-Étienne | Ottignies-Louvain-la-Neuve | Difference |
|---|---|---|---|
| Jan | 84.8 % | – | – |
| Feb | 85.5 % | – | – |
| Mar | 77 % | – | – |
| Apr | 73 % | – | – |
| May | 73.3 % | – | – |
| Jun | 67.2 % | – | – |
| Jul | 72.7 % | – | – |
| Aug | 76 % | – | – |
| Sep |
| 81 % |
| – |
| – |
| Oct | 81.3 % | – | – |
| Nov | 86.9 % | – | – |
| Dec | 91.1 % | – | – |