Luchtvochtigheid — 2013
| Month | Court-Saint-Étienne | Ottignies-Louvain-la-Neuve | Difference |
|---|---|---|---|
| Jan | 88.7 % | – | – |
| Feb | 83.4 % | – | – |
| Mar | 76.3 % | – | – |
| Apr | 72.8 % | – | – |
| May | 78.8 % | – | – |
| Jun | 75.7 % | – | – |
| Jul | 72.1 % | – | – |
| Aug | 71.7 % | – | – |
| Sep |
| 79.6 % |
| – |
| – |
| Oct | 81.9 % | – | – |
| Nov | 89.4 % | – | – |
| Dec | 85.1 % | – | – |