Bewolking — 2023
| Month | Riemst | Bilzen | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 85.7 % | 85.9 % | -0.2 |
| Apr | 67.9 % | 68 % | -0.1 |
| May | 63.9 % | 62.3 % | +1.6 |
| Jun | 42 % | 41.6 % | +0.4 |
| Jul | 64.1 % | 64.8 % | -0.7 |
| Aug |
| 60.3 % |
| 60.5 % |
| -0.2 |
| Sep | 56.6 % | 56.7 % | -0.1 |
| Oct | 77.2 % | 76.7 % | +0.5 |
| Nov | 79.9 % | 78 % | +1.9 |
| Dec | 86.6 % | 87.1 % | -0.5 |