Neerslag — 2020
| Mois | Tholen | Goeree-Overflakkee | Différence |
|---|---|---|---|
| Jan | 45.1 mm | 49.7 mm | -4.6 |
| Fév | 116.4 mm | 111.5 mm | +4.9 |
| Mar | 62.4 mm | 50.8 mm | +11.6 |
| Avr | 26 mm | 28.1 mm | -2.1 |
| Mai | 12.1 mm | 9.4 mm | +2.7 |
| Juin | 82.9 mm | 77.5 mm | +5.4 |
| Juil | 63.1 mm | 59.8 mm | +3.3 |
| Aoû |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Déc | – | – | – |