Neerslag — 2024
| Month | Leiden | Zoeterwoude | Difference |
|---|---|---|---|
| Jan | 77.1 mm | – | – |
| Feb | 136.7 mm | – | – |
| Mar | 65.5 mm | – | – |
| Apr | 107.9 mm | – | – |
| May | 163.4 mm | – | – |
| Jun | 74.7 mm | – | – |
| Jul | 114.1 mm | – | – |
| Aug | 58.2 mm | – | – |
| Sep |
| 139.6 mm |
| – |
| – |
| Oct | 54.5 mm | – | – |
| Nov | 134.9 mm | – | – |
| Dec | 101.5 mm | – | – |