Bewolking — 2026
| Maand | Wassenaar | Voorschoten | Verschil |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mrt | 53.7 % | 54.1 % | -0.4 |
| Apr | 79.3 % | 78.7 % | +0.6 |
| Mei | 55.5 % | 58.6 % | -3.1 |
| Jun | 58.1 % | 61 % | -2.9 |
| Jul | 48.5 % | 49.2 % | -0.7 |
| Aug |
| 50.7 % |
| 53.9 % |
| -3.2 |
| Sep | 71.8 % | 72.3 % | -0.5 |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |