Bewolking — 2026
| Month | Zandvoort | Heemstede | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 48.5 % | 51.8 % | -3.3 |
| Apr | 77.1 % | 78.2 % | -1.1 |
| May | 57.7 % | 57.7 % | +0.0 |
| Jun | 59.4 % | 59.4 % | +0.0 |
| Jul | 49.8 % | 49.8 % | +0.0 |
| Aug |
| 52.1 % |
| 52.1 % |
| +0.0 |
| Sep | 71.3 % | 71.3 % | +0.0 |
| Oct | 65.1 % | 65.8 % | -0.7 |
| Nov | – | – | – |
| Dec | – | – | – |