January is a popular month to ask about Plage de Sandy Hook because conditions can shift week to week along this coast. Expect the water near 4.0°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 de Sandy Hook sea temperature in January — averages 4.0°C
The sea at Plage de Sandy Hook in Canada averages 4.0°C during January, 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 · January
4.0°C
cold · Poor
Live water now
…
Recommended wetsuit
6/5/4mm hooded fullsuit or drysuit
At 4.0°C only experienced cold-water athletes should enter — full thermal protection required.
Monthly comparison
Cold — wetsuit recommended · Plage de Sandy Hook
Can you swim at Plage de Sandy Hook in July? — 16.0°C water16.0°CCan you swim at Plage de Sandy Hook in August? — 17.0°C water17.0°CCan you swim at Plage de Sandy Hook in September? — 15.0°C water15.0°CCan you swim at Plage de Sandy Hook in October? — 11.0°C water11.0°CCan you swim at Plage de Sandy Hook in November? — 8.0°C water8.0°CCan you swim at Plage de Sandy Hook in December? — 5.0°C water5.0°C
Frequently asked questions
What is the average sea temperature at Plage de Sandy Hook in January?
Plage de Sandy Hook averages 4.0°C in January, based on long-run climatology for the Gulf of St Lawrence.
Is the sea warm enough to swim at Plage de Sandy Hook in January?
Not without thermal protection — a wetsuit is recommended at 4.0°C.
Do I need a wetsuit at Plage de Sandy Hook in January?
A 4/3 mm full wetsuit, boots and neoprene cap are recommended.