It depends. Bantham sits around 17.0°C in August; confident swimmers will be fine, casual bathers may prefer short sessions.
Monthly averages set expectations, but the specific beach today depends on wind, swell and recent weather. Check the live value at the top of this page or open the Bantham live page for full conditions.
Frequently asked questions
What is the average sea temperature at Bantham in August?
Bantham averages 17.0°C in August, based on long-run climatology for the Celtic Sea.
Is the sea warm enough to swim at Bantham in August?
It is swimmable but fresh; confident swimmers will be fine without a wetsuit.
Do I need a wetsuit at Bantham in August?
A 2 mm shorty is comfortable for sessions over 30 minutes.