Luchtvochtigheid — 2020
| Month | Houffalize | Lierneux | Difference |
|---|---|---|---|
| Jan | 91.1 % | 91.1 % | +0.0 |
| Feb | 86.5 % | 86.5 % | +0.0 |
| Mar | 74.8 % | 74.8 % | +0.0 |
| Apr | 59.1 % | 59.1 % | +0.0 |
| May | 63.2 % | 63.2 % | +0.0 |
| Jun | 73.6 % | 73.6 % | +0.0 |
| Jul | 72.4 % | 72.4 % | +0.0 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |