Temperatuur — 2026
| Maand | Gorinchem | Hardinxveld-Giessendam | Verschil |
|---|---|---|---|
| Jan | 2.6 °C | 2.7 °C | -0.1 |
| Feb | 6 °C | 6 °C | +0.0 |
| Mrt | 8.3 °C | 8.3 °C | +0.0 |
| Apr | 9.8 °C | 9.7 °C | +0.1 |
| Mei | 14.9 °C | 15 °C | -0.1 |
| Jun | 19.5 °C | 19.3 °C | +0.2 |
| Jul | 20.1 °C | 20.1 °C | +0.0 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |