July is a popular month to ask about Cheltenham Beach because conditions can shift week to week along this coast. Expect the water near 14.0°C, with daily variation from wind, tides and recent storms. We refresh the live value from Open-Meteo Marine every hour, so the headline above always reflects the current state of the Tasman Sea.
Cheltenham Beach sea temperature in July — averages 14.0°C
The sea at Cheltenham Beach in New Zealand averages 14.0°C during July, based on long-run climatology for the Tasman Sea. Use the live reading below for today's actual water and the monthly grid to compare with the rest of the year.
Average sea · July
14.0°C
cool · Fair
Live water now
…
Recommended wetsuit
4/3mm fullsuit
At 14.0°C you need a 4/3mm fullsuit, and many surfers add neoprene boots.
Monthly comparison
Cool — short dips or a shorty wetsuit · Cheltenham Beach
Can you swim at Cheltenham Beach in June? — 15.0°C water15.0°CCan you swim at Cheltenham Beach in July? — 14.0°C water14.0°CCan you swim at Cheltenham Beach in August? — 13.0°C water13.0°CCan you swim at Cheltenham Beach in September? — 14.0°C water14.0°CCan you swim at Cheltenham Beach in October? — 15.0°C water15.0°CCan you swim at Cheltenham Beach in November? — 17.0°C water17.0°C
Frequently asked questions
What is the average sea temperature at Cheltenham Beach in July?
Cheltenham Beach averages 14.0°C in July, based on long-run climatology for the Tasman Sea.
Is the sea warm enough to swim at Cheltenham Beach in July?
Not without thermal protection — a wetsuit is recommended at 14.0°C.
Do I need a wetsuit at Cheltenham Beach in July?
A 3/2 mm wetsuit makes longer swims comfortable.