Average monthly water temperature in Steyning, the United Kingdom
On this page you find the mean water temperature over the year in Steyning (West Sussex), the United Kingdom. Understand how water temperatures vary throughout the year.
Water temperatures in Steyning stay on the cooler side throughout the year. The warmest month, September, averages 18°C (64°F).
The coldest water temperature month is March, averaging 8°C (46°F). These cooler conditions are not the best for swimming enthusiasts.