July is a popular month to ask about Plage Jacques-Cartier because conditions can shift week to week along this coast. Expect the water near 16.0°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 Gulf of St Lawrence.
Plage Jacques-Cartier sea temperature in July — averages 16.0°C
The sea at Plage Jacques-Cartier in Canada averages 16.0°C during July, based on long-run climatology for the Gulf of St Lawrence. 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
16.0°C
mild · Fair
Live water now
…
July
Recommended wetsuit
3/2mm fullsuit
At 16.0°C a 3/2mm fullsuit is the standard wetsuit for surfing and watersports.
Monthly comparison
Yes, but expect a fresh dip · Plage Jacques-Cartier
Can you swim at Plage Jacques-Cartier in July? — 16.0°C water16.0°CCan you swim at Plage Jacques-Cartier in August? — 17.0°C water17.0°CCan you swim at Plage Jacques-Cartier in September? — 15.0°C water15.0°CCan you swim at Plage Jacques-Cartier in October? — 11.0°C water11.0°CCan you swim at Plage Jacques-Cartier in November? — 8.0°C water8.0°CCan you swim at Plage Jacques-Cartier in December? — 5.0°C water5.0°C
Frequently asked questions
What is the average sea temperature at Plage Jacques-Cartier in July?
Plage Jacques-Cartier averages 16.0°C in July, based on long-run climatology for the Gulf of St Lawrence.
Is the sea warm enough to swim at Plage Jacques-Cartier in July?
It is swimmable but fresh; confident swimmers will be fine without a wetsuit.
Do I need a wetsuit at Plage Jacques-Cartier in July?
A 2 mm shorty is comfortable for sessions over 30 minutes.