Seasonal ranking
Coldest sea temperature in Finland in January
Where the sea is coolest across Finland during January, ranked by long-term monthly average water temperature. Yyteri (Finnish Coast, Finland) is the coolest at around 4°C. Open any spot for today's live water temperature and a 7-day swim forecast.
- 1YyteriFinnish Coast · Finland · Baltic SeaCold — wetsuit strongly recommended4°CJanuary average
- 2HietaniemiFinnish Coast · Finland · Baltic SeaCold — wetsuit strongly recommended4°CJanuary average
- 3Ispoinen BeachTurku Archipelago · Finland · Baltic SeaCold — wetsuit strongly recommended4°CJanuary average
- 4Lilla Holmen BeachAland Islands · Finland · Baltic SeaCold — wetsuit strongly recommended4°CJanuary average
Coldest sea in January elsewhere
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Finland in January — frequently asked questions
- Where is the sea coldest in Finland in January?
- Yyteri in Finland has the coldest sea in Finland in January, averaging about 4.0 °C. Hietaniemi (4.0 °C) and Ispoinen Beach are the next coolest.
- How many beaches in Finland are warm enough to swim in January?
- None of the top 4 ranked beaches in Finland reach 22 °C in January, so a wetsuit is recommended for anything longer than a quick dip.
- How are these January sea temperatures calculated?
- Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical January rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.
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