Can you swim at Sumner Beach in July? — 12.0°C water
Cool — short dips or a shorty wetsuit
Average sea · July
12.0°C
Live water now
…
Recommended wetsuit
5/4mm fullsuit + boots & gloves
cool
Cool. 12.0°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 Sumner Beach live page for full conditions.
Frequently asked questions
What is the average sea temperature at Sumner Beach in July?
Sumner Beach averages 12.0°C in July, based on long-run climatology for the Pacific Ocean.
Is the sea warm enough to swim at Sumner Beach in July?
Not without thermal protection — a wetsuit is recommended at 12.0°C.