Neerslag — 2026
| Maand | Westland | Maassluis | Verschil |
|---|---|---|---|
| Jan | 104.5 mm | – | – |
| Feb | 66.3 mm | – | – |
| Mrt | 44.1 mm | 6.1 mm | +38.0 |
| Apr | 3.2 mm | 2.4 mm | +0.8 |
| Mei | 39.8 mm | 39.8 mm | +0.0 |
| Jun | 72.8 mm | 72.8 mm | +0.0 |
| Jul | 9.1 mm | 8.9 mm | +0.2 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |