Average monthly water temperature in Rottingdean, the United Kingdom
On this page you find the mean water temperature over the year in Rottingdean (East Sussex), the United Kingdom. Dive into the water temperature trends, highlighting the best times for swimming and other activities.
Water temperatures in Rottingdean 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.