Can you swim at Hietaniemi in December? — 16.0°C water
Yes, but expect a fresh dip
Average sea · December
16.0°C
Live water now
…
Recommended wetsuit
3/2mm fullsuit
mild
It depends. Hietaniemi sits around 16.0°C in December; confident swimmers will be fine, casual bathers may prefer short sessions.
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 Hietaniemi live page for full conditions.
Best months to swim
June · July · August · September
Frequently asked questions
What is the average sea temperature at Hietaniemi in December?
Hietaniemi averages 16.0°C in December, based on long-run climatology for the Baltic Sea.
Is the sea warm enough to swim at Hietaniemi in December?
It is swimmable but fresh; confident swimmers will be fine without a wetsuit.
Do I need a wetsuit at Hietaniemi in December?
A 2 mm shorty is comfortable for sessions over 30 minutes.