Bewolking — 2026
| Maand | Bloemendaal | Haarlem | Verschil |
|---|---|---|---|
| Jan | – | 81.7 % | – |
| Feb | – | 78.3 % | – |
| Mrt | 50.6 % | 57.1 % | -6.5 |
| Apr | 81.5 % | 81.3 % | +0.2 |
| Mei | 56.2 % | 57.7 % | -1.5 |
| Jun | 58.1 % | 59.8 % | -1.7 |
| Jul | 50.4 % | 51.9 % | -1.5 |
| Aug |
| 49.8 % |
| 51.5 % |
| -1.7 |
| Sep | 70 % | 70.1 % | -0.1 |
| Okt | 65.7 % | 66.6 % | -0.9 |
| Nov | – | – | – |
| Dec | – | – | – |