Average water temperature in Cardiff

The mean water temperature over the year in Cardiff (Wales), the United Kingdom.

On average, August has the warmest water temperature with 16°C.
On average, March has the coldest water temperature with 7°C.

Forecast for Cardiff

Thu Nov 07

14°C | 11°C

18 km/h

overcast and no rain

hourly forecast

Fri Nov 08

11°C | 8°C

18 km/h

overcast and no rain

hourly forecast

Sat Nov 09

11°C | 8°C

11 km/h

overcast and no rain

hourly forecast

5-Day Forecast 10-Day Forecast

Interested in more climate information?

This site provides you with all the information you need about the climate in Cardiff.

Our site offers climate and forecast data for every country in the world. Are you going to the United Kingdom? On this website you can find historical weather averages for many cities in the United Kingdom. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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