Luchtvochtigheid — 2020
| Month | Westerlo | Olen | Difference |
|---|---|---|---|
| Jan | 87.6 % | 88.6 % | -1.0 |
| Feb | 79.2 % | 80.2 % | -1.0 |
| Mar | 71 % | 71.7 % | -0.7 |
| Apr | 59.3 % | 59.2 % | +0.1 |
| May | 59.5 % | 58.6 % | +0.9 |
| Jun | 69.4 % | 69 % | +0.4 |
| Jul | 72.5 % | 73.5 % | -1.0 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |