Weather in Cardiff in March
How warm is it in Cardiff in March?
In March the typical daytime high in Cardiff is 10.9 °C on average, from 9.4 °C at the start to 12.2 °C at the end of the month.
That is 2.0 °C warmer than in February and 2.6 °C cooler than in April.
The last 10 years were 1.9 °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.