Temperatuur — 2026
| Maand | Goeree-Overflakkee | Nissewaard | Verschil |
|---|---|---|---|
| Jan | 3.6 °C | – | – |
| Feb | 6.3 °C | – | – |
| Mrt | 8.4 °C | 7.3 °C | +1.1 |
| Apr | 9.2 °C | 9 °C | +0.2 |
| Mei | 14.9 °C | 15 °C | -0.1 |
| Jun | 18.7 °C | 19 °C | -0.3 |
| Jul | 19.9 °C | 19.9 °C | +0.0 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |