Cool. 15.0°C in July means short dips for most people. A 2 mm shorty or 3/2 mm wetsuit transforms the experience.
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 Dog's Bay live page for full conditions.
Frequently asked questions
What is the average sea temperature at Dog's Bay in July?
Dog's Bay averages 15.0°C in July, based on long-run climatology for the Celtic Sea.
Is the sea warm enough to swim at Dog's Bay in July?
Not without thermal protection — a wetsuit is recommended at 15.0°C.
