Neerslag — 2026
| Maand | Alphen aan den Rijn | Waddinxveen | Verschil |
|---|---|---|---|
| Jan | 89 mm | 85.8 mm | +3.2 |
| Feb | 64.1 mm | 55.8 mm | +8.3 |
| Mrt | 64.1 mm | 56.2 mm | +7.9 |
| Apr | 4.2 mm | 5.6 mm | -1.4 |
| Mei | 64.4 mm | 64.4 mm | +0.0 |
| Jun | 84.6 mm | 84.7 mm | -0.1 |
| Jul | 14.8 mm | 14.8 mm | +0.0 |
| Aug |
| 59.2 mm |
| 59.2 mm |
| +0.0 |
| Sep | 38.2 mm | 37 mm | +1.2 |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |