December is a popular month to ask about Naringsklev because conditions can shift week to week along this coast. Expect the water near 5.0°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 Bothnia.
Naringsklev sea temperature in December — averages 5.0°C
The sea at Naringsklev in Sweden averages 5.0°C during December, based on long-run climatology for the Gulf of Bothnia. Use the live reading below for today's actual water and the monthly grid to compare with the rest of the year.
Average sea · December
5.0°C
cold · Poor
Live water now
…
Recommended wetsuit
6/5/4mm hooded fullsuit or drysuit
At 5.0°C only experienced cold-water athletes should enter — full thermal protection required.
Monthly comparison
Cold — wetsuit recommended · Naringsklev
Can you swim at Naringsklev in July? — 17.0°C water17.0°CCan you swim at Naringsklev in August? — 18.0°C water18.0°CCan you swim at Naringsklev in September? — 15.0°C water15.0°CCan you swim at Naringsklev in October? — 11.0°C water11.0°CCan you swim at Naringsklev in November? — 7.0°C water7.0°CCan you swim at Naringsklev in December? — 5.0°C water5.0°C
Frequently asked questions
What is the average sea temperature at Naringsklev in December?
Naringsklev averages 5.0°C in December, based on long-run climatology for the Gulf of Bothnia.
Is the sea warm enough to swim at Naringsklev in December?
Not without thermal protection — a wetsuit is recommended at 5.0°C.
Do I need a wetsuit at Naringsklev in December?
A 4/3 mm full wetsuit, boots and neoprene cap are recommended.