Neerslag — 2026
| Monat | Heiloo | Castricum | Unterschied |
|---|---|---|---|
| Jan | – | 90.3 mm | – |
| Feb | – | 60.3 mm | – |
| Mär | 5.6 mm | 60.4 mm | -54.8 |
| Apr | 2.3 mm | 3.5 mm | -1.2 |
| Mai | 49.5 mm | 49.5 mm | +0.0 |
| Jun | 100.9 mm | 100.9 mm | +0.0 |
| Jul | 14.5 mm | 14.4 mm | +0.1 |
| Aug |
| 93.6 mm |
| 93.7 mm |
| -0.1 |
| Sep | 64 mm | 61.8 mm | +2.2 |
| Okt | – | – | – |
| Nov | – | – | – |
| Dez | – | – | – |