Neerslag — 2026
| Maand | Leidschendam-Voorburg | Voorschoten | Verschil |
|---|---|---|---|
| Jan | 103.7 mm | – | – |
| Feb | 54.7 mm | – | – |
| Mrt | 67.3 mm | 3.6 mm | +63.7 |
| Apr | 3.4 mm | 3.7 mm | -0.3 |
| Mei | 51.3 mm | 51.3 mm | +0.0 |
| Jun | 75 mm | 74.9 mm | +0.1 |
| Jul | 14.7 mm | 14.7 mm | +0.0 |
| Aug |
| 60.1 mm |
| 60.3 mm |
| -0.2 |
| Sep | 44.2 mm | 37.7 mm | +6.5 |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |