Bewolking — 2026
| Maand | Bloemendaal | Heemstede | Verschil |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mrt | 50.6 % | 51.8 % | -1.2 |
| Apr | 81.5 % | 78.2 % | +3.3 |
| Mei | 56.2 % | 57.7 % | -1.5 |
| Jun | 58.1 % | 59.4 % | -1.3 |
| Jul | 50.4 % | 49.8 % | +0.6 |
| Aug |
| 49.8 % |
| 52.1 % |
| -2.3 |
| Sep | 69.6 % | 70.2 % | -0.6 |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |