Neerslag — 2026
| Mois | Den Haag | Wassenaar | Différence |
|---|---|---|---|
| Jan | 90.3 mm | – | – |
| Fév | 70.4 mm | – | – |
| Mar | 35 mm | 3.5 mm | +31.5 |
| Avr | 5.2 mm | 3.4 mm | +1.8 |
| Mai | 39.8 mm | 37.7 mm | +2.1 |
| Juin | 72.8 mm | 71.1 mm | +1.7 |
| Juil | 13.9 mm | 16.5 mm | -2.6 |
| Aoû |
| 62.3 mm |
| 100.7 mm |
| -38.4 |
| Sep | 79.6 mm | 110.6 mm | -31.0 |
| Oct | 88.6 mm | 136.7 mm | -48.1 |
| Nov | 1.6 mm | 2.3 mm | -0.7 |
| Déc | – | – | – |