Swimming in Turku in august 2025: Average sea temperature in august and tide times in august 2025

Average sea temperature in Turku in august 2025.

In august, according to seasonal norms, the sea temperature in Turku is:

Minimum: 36°F

Average: 55°F

Maximum: 75°F

Other useful seasonal weather averages in august:

  • Outside temperature: 62°F to 68°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 10.6mph
  • It rains a total of 3.7in, over 6 day(s).

Should we swim in Turku in august?

No... The water temperature in Turku in august is freezing

You won't be able to swim in Turku in august! The water temperature is freezing, reaching as low as 36°F (and only 75°F at best)! Our advice: if you are going to Turku this month, plan to sightsee and forget the beach!

Note also that in august, the climate is good with an average outside temperature of 65°F, 3.7in of precipitation (over 6 days) and 77.38 % humidity.

Water and normal seasonal temperatures in Turku in august

August
Average sea temperature 55°F
Minimum sea temperature 36°F
Maximum sea temperature 75°F
Average outside temperature 65°F
Maximum outside temperature 68°F
Minimum outside temperature 63°F
Wind speed 11.8mph
Wind temperature 63°F
Precipitation 3.7in
Number of days of rain 6 jour(s)
(20%)
Humidity 78%
Visibility in kilometers 9.48km
Cloud cover 37%
Our opinion freezing swimming

Chart of the tides in august 2025

Tide times in august 2025 in Turku

Swim elsewhere in Finland in august

City Average T° Max. T° Our opinion
Helsinki in august66°F70°Fcool swimming
Åland in august55°F75°Ffreezing swimming
Kalajoki in august61°F66°Fcold swimming
Kotka in august66°F71°Fcool swimming
Oulu in august62°F65°Fcold swimming
Vaasa in august62°F67°Fcold swimming

Swim in Finland in august: sea temperature by city

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