Temperatuur — 2026
| Maand | Middelburg | Sluis | Verschil |
|---|---|---|---|
| Jan | 4.4 °C | 4.2 °C | +0.2 |
| Feb | 6.9 °C | 7.1 °C | -0.2 |
| Mrt | 8.9 °C | 8.5 °C | +0.4 |
| Apr | 10.1 °C | 9.6 °C | +0.5 |
| Mei | 14.7 °C | 15.4 °C | -0.7 |
| Jun | 18.4 °C | 19 °C | -0.6 |
| Jul | 20.2 °C | 20.5 °C | -0.3 |
| Aug |
| 20.1 °C |
| 20.1 °C |
| +0.0 |
| Sep | 18 °C | 17.5 °C | +0.5 |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |