Neerslag — 2026
| Maand | Leiderdorp | Teylingen | Verschil |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mrt | 8.3 mm | 5.8 mm | +2.5 |
| Apr | 4.2 mm | 2.5 mm | +1.7 |
| Mei | 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 |
| 81 mm |
| 81.3 mm |
| -0.3 |
| Sep | 93.1 mm | 93.2 mm | -0.1 |
| Okt | 128.4 mm | 124.7 mm | +3.7 |
| Nov | – | – | – |
| Dec | – | – | – |