Temperatuur — 2026
| Monat | Barendrecht | Rotterdam | Unterschied |
|---|---|---|---|
| Jan | – | 3.2 °C | – |
| Feb | – | 6.1 °C | – |
| Mär | 7.9 °C | 9.1 °C | -1.2 |
| Apr | 9.8 °C | 10.4 °C | -0.6 |
| Mai | 15 °C | 14.5 °C | +0.5 |
| Jun | 19.2 °C | 18.8 °C | +0.4 |
| Jul | 20.1 °C | 19.9 °C | +0.2 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dez | – | – | – |