Neerslag — 2026
| Maand | Teylingen | Leiden | Verschil |
|---|---|---|---|
| Jan | – | 87.4 mm | – |
| Feb | – | 68.7 mm | – |
| Mrt | 5.8 mm | 41.8 mm | -36.0 |
| Apr | 2.5 mm | 3.7 mm | -1.2 |
| 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 |
| 81.3 mm |
| 81 mm |
| +0.3 |
| Sep | 93.2 mm | 93.2 mm | +0.0 |
| Okt | 124.7 mm | 126.8 mm | -2.1 |
| Nov | – | – | – |
| Dec | – | – | – |