Can you swim at Duncannon Beach in July? — 15.0°C water
Cool — short dips or a shorty wetsuit
Average sea · July
15.0°C
Live water now
…
Recommended wetsuit
4/3mm fullsuit
mild
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 Duncannon Beach live page for full conditions.
Frequently asked questions
What is the average sea temperature at Duncannon Beach in July?
Duncannon Beach averages 15.0°C in July, based on long-run climatology for the Atlantic Ocean.
Is the sea warm enough to swim at Duncannon Beach in July?
Not without thermal protection — a wetsuit is recommended at 15.0°C.