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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.

Weather Forecasts for Southampton

Tue   Apr 30
16°C | 9°C
SE 22 km/h
0.9 mm
broken clouds and small chance of rain

broken clouds and small chance of rain

Wed   May 01
16°C | 7°C
NW 11 km/h
11 mm
overcast and heavy rain

overcast and heavy rain

Thu   May 02
14°C | 10°C
W 18 km/h
12 mm
overcast and heavy rain

overcast and heavy rain

Interested in more climate information?

Weather and Climate 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 climate conditions. Find out where to go with our weather planner.

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