Neerslag — 2020
| Mois | Aalten | Winterswijk | Différence |
|---|---|---|---|
| Jan | 49.1 mm | 51.1 mm | -2.0 |
| Fév | 145.3 mm | 148.2 mm | -2.9 |
| Mar | 64.5 mm | 64.8 mm | -0.3 |
| Avr | 17.9 mm | 18 mm | -0.1 |
| Mai | 25.9 mm | 25.7 mm | +0.2 |
| Juin | 58.3 mm | 60.6 mm | -2.3 |
| Juil | 65 mm | 67.6 mm | -2.6 |
| Aoû |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Déc | – | – | – |