Neerslag — 2026
| Maand | Zoeterwoude | Leiderdorp | Verschil |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mrt | 5.6 mm | 8.3 mm | -2.7 |
| Apr | 3.4 mm | 4.2 mm | -0.8 |
| Mei | 51.3 mm | 39.4 mm | +11.9 |
| Jun | 74.9 mm | 73 mm | +1.9 |
| Jul | 14.7 mm | 14.6 mm | +0.1 |
| Aug |
| 60.4 mm |
| 81 mm |
| -20.6 |
| Sep | 70.4 mm | 93.1 mm | -22.7 |
| Okt | 93.1 mm | 128.4 mm | -35.3 |
| Nov | – | – | – |
| Dec | – | – | – |