Luchtvochtigheid — 2020
| Month | Houffalize | Bastogne | Difference |
|---|---|---|---|
| Jan | 91.1 % | 92.3 % | -1.2 |
| Feb | 86.5 % | 87.5 % | -1.0 |
| Mar | 74.8 % | 75.5 % | -0.7 |
| Apr | 59.1 % | 59.3 % | -0.2 |
| May | 63.2 % | 64.2 % | -1.0 |
| Jun | 73.6 % | 74.1 % | -0.5 |
| Jul | 72.4 % | 70.5 % | +1.9 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |