Average monthly water temperature in Port Seton, the United Kingdom
On this page you find the mean water temperature over the year in Port Seton (Lothian), the United Kingdom. Discover when the water is at its warmest and coolest, perfect for planning your visit.
In Port Seton, cooler water temperatures are a year-round feature. The warmest month is July, averaging 13°C (55°F).
The coldest month, March, sees averages of 5°C (41°F). This does not make it a great month for visitors who enjoy swimming.