Temperatuur — 2026
| Month | Alblasserdam | Hendrik-Ido-Ambacht | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 8 °C | 8.3 °C | -0.3 |
| Apr | 10 °C | 10.3 °C | -0.3 |
| May | 15 °C | 15 °C | +0.0 |
| Jun | 19.3 °C | 19.3 °C | +0.0 |
| Jul | 20.2 °C | 20.2 °C | +0.0 |
| Aug |
| 19.5 °C |
| 19.5 °C |
| +0.0 |
| Sep | 17.8 °C | 18 °C | -0.2 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |