Zonneschijn — 2025
| Month | Zaanstad | Oostzaan | Difference |
|---|---|---|---|
| Jan | 103.4 uren | 103.6 uren | -0.2 |
| Feb | 144.7 uren | 143.6 uren | +1.1 |
| Mar | 307.2 uren | 308.8 uren | -1.6 |
| Apr | 319.4 uren | 319.7 uren | -0.3 |
| May | 382.6 uren | 383.6 uren | -1.0 |
| Jun | 407.5 uren | 406 uren | +1.5 |
| Jul | 401.6 uren | 399.7 uren | +1.9 |
| Aug | 348 uren | 348.8 uren | -0.8 |
| Sep | 276.2 uren | 274.8 uren | +1.4 |
| Oct | 165.8 uren | 165.9 uren | -0.1 |
| Nov | 132.1 uren | 133.9 uren | -1.8 |
| Dec | 97.7 uren | 97.8 uren | -0.1 |