Average water temperature in Southampton

The mean water temperature over the year in Southampton (Hampshire), the United Kingdom.

On average, September has the warmest water temperature with 17°C.
On average, March has the coldest water temperature with 9°C.

Forecast for Southampton

Fri Nov 15

11°C | 3°C

4 km/h

broken clouds and no rain

hourly forecast

Sat Nov 16

12°C | 3°C

7 km/h

0.6 mm

overcast and chance of slight rain

hourly forecast

Sun Nov 17

10°C | 3°C

11 km/h

almost clear 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 Southampton.

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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