Swimming in Helsinki in june 2025: Average sea temperature in june and tide times in june 2025

Average sea temperature in Helsinki in june 2025.

In june, according to seasonal norms, the sea temperature in Helsinki is:

Minimum: 48°F

Average: 56°F

Maximum: 64°F

Other useful seasonal weather averages in june:

  • Outside temperature: 58°F to 63°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 8.7mph
  • It rains a total of 3in, over 5 day(s).

Should we swim in Helsinki in june?

No... The water temperature in Helsinki in june is freezing

You won't be able to swim in Helsinki in june! The water temperature is freezing, reaching as low as 48°F (and only 64°F at best)! Our advice: if you are going to Helsinki this month, plan to sightsee and forget the beach!

Note also that in june, the climate is good with an average outside temperature of 60°F, 3in of precipitation (over 5 days) and 75.53 % humidity.

Water and normal seasonal temperatures in Helsinki in june

June
Average sea temperature 56°F
Minimum sea temperature 48°F
Maximum sea temperature 64°F
Average outside temperature 61°F
Maximum outside temperature 65°F
Minimum outside temperature 59°F
Wind speed 11.8mph
Wind temperature 58°F
Precipitation 3in
Number of days of rain 5 jour(s)
(18%)
Humidity 76%
Visibility in kilometers 9.46km
Cloud cover 36%
Our opinion freezing swimming

Chart of the tides in june 2025

Tide times in june 2025 in Helsinki

Swim elsewhere in Finland in june

City Average T° Max. T° Our opinion
Åland in june48°F63°Ffreezing swimming
Kalajoki in june49°F59°Ffreezing swimming
Kotka in june57°F65°Ffreezing swimming
Oulu in june52°F61°Ffreezing swimming
Turku in june49°F62°Ffreezing swimming
Vaasa in june52°F59°Ffreezing swimming

Swim in Finland in june: sea temperature by city

Change units