Temperatuur — 2026
| Maand | Rotterdam | Barendrecht | Verschil |
|---|---|---|---|
| Jan | 3.2 °C | – | – |
| Feb | 6.1 °C | – | – |
| Mrt | 9.1 °C | 7.9 °C | +1.2 |
| Apr | 10.4 °C | 9.8 °C | +0.6 |
| Mei | 14.5 °C | 15 °C | -0.5 |
| Jun | 18.8 °C | 19.2 °C | -0.4 |
| Jul | 19.8 °C | 20.2 °C | -0.4 |
| Aug |
| 19.3 °C |
| 19.6 °C |
| -0.3 |
| Sep | 18 °C | 17.7 °C | +0.3 |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |