Bewolking — 2026
| Maand | Wassenaar | Leidschendam-Voorburg | Verschil |
|---|---|---|---|
| Jan | – | 80.3 % | – |
| Feb | – | 80.7 % | – |
| Mrt | 53.7 % | 55.2 % | -1.5 |
| Apr | 79.3 % | 78.9 % | +0.4 |
| 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 | 72.1 % | 71.9 % | +0.2 |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |