Neerslag — 2026
| Month | Velsen | Beverwijk | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 0.7 mm | 1 mm | -0.3 |
| Apr | 3.2 mm | 3.2 mm | +0.0 |
| May | 41.4 mm | 49.5 mm | -8.1 |
| Jun | 77 mm | 101.1 mm | -24.1 |
| Jul | 17.7 mm | 14.4 mm | +3.3 |
| Aug |
| 110 mm |
| 93.8 mm |
| +16.2 |
| Sep | 113.4 mm | 90.4 mm | +23.0 |
| Oct | 164.4 mm | 129.4 mm | +35.0 |
| Nov | – | – | – |
| Dec | – | – | – |