Temperatuur — 2025
| Month | Nieuwkoop | Bodegraven-Reeuwijk | Difference |
|---|---|---|---|
| Jan | 3.7 °C | – | – |
| Feb | 3.7 °C | – | – |
| Mar | 6.7 °C | – | – |
| Apr | 10.8 °C | – | – |
| May | 13.7 °C | – | – |
| Jun | 17.7 °C | – | – |
| Jul | 18.5 °C | – | – |
| Aug | 18.1 °C | – | – |
| Sep |
| 15.1 °C |
| – |
| – |
| Oct | 12.2 °C | – | – |
| Nov | 7.8 °C | – | – |
| Dec | 6 °C | – | – |