Cardiff · United Kingdom
Weather in Cardiff in December
In December the typical daytime high in Cardiff is 9.2 °C on average, from 9.6 °C at the start to 8.6 °C at the end of the month.
The last 10 years were 1.6 °C warmer than more than 40 years ago.
Click a day for more: afternoon and night, the usual range, records and how fast it is warming.
The average of the weather stations Oxford (136 km), Pte De La Hague (214 km) and Valley (217 km); nearer ones count more.