Average monthly water temperature in Southampton, the United Kingdom

On this page you find the mean water temperature over the year in Southampton (Hampshire), the United Kingdom. Take a closer look at the water temperature patterns and what they mean for swimming and recreation.

Water temperatures in Southampton stay on the cooler side throughout the year. The warmest month, September, averages 17°C (63°F).

The coldest water temperature month is March, averaging 9°C (48°F). These cooler conditions are not the best for swimming enthusiasts.

Southampton 3-Day Forecast

10-Day Forecast

More climate data for Southampton

Temperature Rainfall Sunshine Humidity Water Temp

See the full Southampton climate overview or explore weather in the United Kingdom.

Travel Inspiration

Hike the South West Coast Path

The South West Coast Path means breathtaking nature, kind people and delicious food everywhere you go. It is an unforgettable experience and you need to add it to your bucket list.

Welcome to Totnes, the hidden treasure of South Devon

Totnes is a place where historical richness fuses effortlessly with a vibrant alternative culture and breathtaking natural surroundings. The town pulses with an amazing community spirit that you'll feel around every corner.

London's coolest neighborhoods you'll want to visit

Discover the 6 coolest neighborhoods in London for your trip! Explore vibrant Shoreditch, lively Soho, alternative Camden, and many more.

10 cities you should definitely visit in the UK

Discover the top 10 most fun and alternative cities in the UK, rich in art, culture, and adventure. Explore vibrant neighborhoods and unique places.

) ?>