Neerslag — 2026
| Month | Noordwijk | Oegstgeest | Difference |
|---|---|---|---|
| Jan | 98.8 mm | – | – |
| Feb | 63 mm | – | – |
| Mar | 65.8 mm | 7.8 mm | +58.0 |
| Apr | 4.4 mm | 3 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 |
| 80.9 mm |
| 80.8 mm |
| +0.1 |
| Sep | 92.9 mm | 93.2 mm | -0.3 |
| Oct | 123.7 mm | 125 mm | -1.3 |
| Nov | – | – | – |
| Dec | – | – | – |