Bewolking — 2020
| Month | Bergen (L) | Horst aan de Maas | Difference |
|---|---|---|---|
| Jan | 76.9 % | 76.9 % | +0.0 |
| Feb | 76.7 % | 76.7 % | +0.0 |
| Mar | 52.7 % | 52.7 % | +0.0 |
| Apr | 33.7 % | 33.7 % | +0.0 |
| May | 49.5 % | 49.5 % | +0.0 |
| Jun | 66.5 % | 66.5 % | +0.0 |
| Jul | 64.3 % | 64.3 % | +0.0 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |