Bewolking — 2025
| Maand | Alphen aan den Rijn | Waddinxveen | Verschil |
|---|---|---|---|
| Jan | 80.2 % | 79.9 % | +0.3 |
| Feb | 72 % | 71.6 % | +0.4 |
| Mrt | 44.3 % | 43.4 % | +0.9 |
| Apr | 44.9 % | 45.1 % | -0.2 |
| Mei | 46.3 % | 47.2 % | -0.9 |
| Jun | 48.7 % | 48.3 % | +0.4 |
| Jul | 56.9 % | 56.6 % | +0.3 |
| Aug |
| 57.3 % |
| 57.4 % |
| -0.1 |
| Sep | 60.9 % | 60.9 % | +0.0 |
| Okt | 84.4 % | 85 % | -0.6 |
| Nov | 77 % | 76.7 % | +0.3 |
| Dec | 76.9 % | 76.6 % | +0.3 |