Neerslag — 2026
| Month | Zandvoort | Hillegom | Difference |
|---|---|---|---|
| Jan | – | 91.6 mm | – |
| Feb | – | 62.5 mm | – |
| Mar | 0.7 mm | 52.2 mm | -51.5 |
| Apr | 6.5 mm | 5.1 mm | +1.4 |
| May | 39.4 mm | 39.4 mm | +0.0 |
| Jun | 73 mm | 73 mm | +0.0 |
| Jul | 14.6 mm | 14.6 mm | +0.0 |
| Aug |
| 81 mm |
| 81 mm |
| +0.0 |
| Sep | 93.4 mm | 92.9 mm | +0.5 |
| Oct | 122.9 mm | 124 mm | -1.1 |
| Nov | – | – | – |
| Dec | – | – | – |