Neerslag — 2025
| Mois | Oostzaan | Zaanstad | Différence |
|---|---|---|---|
| Jan | 97.7 mm | 91.8 mm | +5.9 |
| Fév | 39.2 mm | 43.1 mm | -3.9 |
| Mar | 11.1 mm | 8.2 mm | +2.9 |
| Avr | 31 mm | 32.1 mm | -1.1 |
| Mai | 56.7 mm | 51.3 mm | +5.4 |
| Juin | 70.8 mm | 66.8 mm | +4.0 |
| Juil | 100 mm | 99.8 mm | +0.2 |
| Aoû |
| 44.2 mm |
| 40.5 mm |
| +3.7 |
| Sep | 87.7 mm | 78.9 mm | +8.8 |
| Oct | 151.4 mm | 161.3 mm | -9.9 |
| Nov | 72.7 mm | 71.8 mm | +0.9 |
| Déc | 33.7 mm | 31.4 mm | +2.3 |