Luchtvochtigheid — 2020
| Month | Landgraaf | Heerlen | Difference |
|---|---|---|---|
| Jan | 86.6 % | 86.6 % | +0.0 |
| Feb | 78.7 % | 78.7 % | +0.0 |
| Mar | 69.4 % | 69.4 % | +0.0 |
| Apr | 58.9 % | 58.9 % | +0.0 |
| May | 59.9 % | 59.9 % | +0.0 |
| Jun | 67.3 % | 67.3 % | +0.0 |
| Jul | 68.4 % | 68.4 % | +0.0 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |