Bewolking — 2020
| Month | Hulst | Sint-Gillis-Waas | Difference |
|---|---|---|---|
| Jan | 76.7 % | 76 % | +0.7 |
| Feb | 75.1 % | 74.5 % | +0.6 |
| Mar | 52 % | 51.9 % | +0.1 |
| Apr | 34 % | 35.7 % | -1.7 |
| May | 47.6 % | 47.5 % | +0.1 |
| Jun | 63.5 % | 63.4 % | +0.1 |
| Jul | 61.5 % | 62.3 % | -0.8 |
| Aug |
| – |
| 56.9 % |
| – |
| Sep | – | 56.2 % | – |
| Oct | – | 77 % | – |
| Nov | – | 64.7 % | – |
| Dec | – | 75.3 % | – |