Neerslag — 2026
| Maand | Kaag en Braassem | Alphen aan den Rijn | Verschil |
|---|---|---|---|
| Jan | – | 89 mm | – |
| Feb | – | 64.1 mm | – |
| Mrt | 6.4 mm | 64.1 mm | -57.7 |
| Apr | 4.3 mm | 4.2 mm | +0.1 |
| Mei | 52.1 mm | 64.4 mm | -12.3 |
| Jun | 86.3 mm | 84.6 mm | +1.7 |
| Jul | 13.1 mm | 14.8 mm | -1.7 |
| Aug |
| 76.9 mm |
| 59.2 mm |
| +17.7 |
| Sep | 42.4 mm | 38.2 mm | +4.2 |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |