Swim in Helsinki in january 2025What is the temperature of the sea in in january?
Average sea temperature in Helsinki in january 2025.
In january, according to seasonal norms, the sea temperature in Helsinki is:
Minimum: 29°F
Average: 34°F
Maximum: 39°F
Other useful seasonal weather averages in january:
- Outside temperature: 25°F to 29°F
- Most common weather: "Snow showers"
- The wind blows at -5.6mph
- It rains a total of 3.5in, over 6 day(s).
Should we swim in Helsinki in january?
No... The water temperature in Helsinki in january is freezing
You won't be able to swim in Helsinki in january! The water temperature is freezing, reaching as low as 29°F (and only 39°F at best)! Our advice: if you are going to Helsinki this month, plan to sightsee and forget the beach!
Note also that in january, the climate is very bad with an average outside temperature of 27°F, 3.5in of precipitation (over 6 days) and 91.86 % humidity.
Water and normal seasonal temperatures in Helsinki in january
| January | |||
| Average sea temperature | 34°F | ||
| Minimum sea temperature | 29°F | ||
| Maximum sea temperature | 39°F | ||
| Average outside temperature | 27°F | ||
| Maximum outside temperature | 31°F | ||
| Minimum outside temperature | 25°F | ||
| Wind speed | 13.7mph | ||
| Wind temperature | 16°F | ||
| Precipitation | 3.5in | ||
| Number of days of rain | 6 jour(s) (19%) | ||
| Humidity | 92% | ||
| Visibility in kilometers | 6.64km | ||
| Cloud cover | 74% | ||
| Our opinion | freezing swimming |
Swim elsewhere in Finland in january
| City | Average T° | Min. T° | Max. T° | Our opinion | Åland in january | 34°F | 38°F | freezing swimming | Kalajoki in january | 33°F | 35°F | freezing swimming | Kotka in january | 33°F | 38°F | freezing swimming | Oulu in january | 32°F | 34°F | freezing swimming | Turku in january | 33°F | 38°F | freezing swimming | Vaasa in january | 33°F | 36°F | freezing swimming |