Neerslag — 2026
| Maand | Voorschoten | Leidschendam-Voorburg | Verschil |
|---|---|---|---|
| Jan | – | 103.7 mm | – |
| Feb | – | 54.7 mm | – |
| Mrt | 3.6 mm | 67.3 mm | -63.7 |
| Apr | 3.7 mm | 3.4 mm | +0.3 |
| Mei | 51.3 mm | 51.3 mm | +0.0 |
| Jun | 74.9 mm | 75 mm | -0.1 |
| Jul | 6.6 mm | 7.2 mm | -0.6 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |