Bewolking — 2020
| Month | Lierde | Herzele | Difference |
|---|---|---|---|
| Jan | 75 % | 75.8 % | -0.8 |
| Feb | 74 % | 74.9 % | -0.9 |
| Mar | 52.9 % | 52.9 % | +0.0 |
| Apr | 34.4 % | 34.1 % | +0.3 |
| May | 49 % | 48.9 % | +0.1 |
| Jun | 62.4 % | 63.1 % | -0.7 |
| Jul | 61.1 % | 62.2 % | -1.1 |
| Aug |
| 55.7 % |
| – |
| – |
| Sep | 55 % | – | – |
| Oct | 76.6 % | – | – |
| Nov | 64.6 % | – | – |
| Dec | 75.8 % | – | – |