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

Average sea temperature in Helsinki in july 2025.

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

Minimum: 59°F

Average: 65°F

Maximum: 72°F

Other useful seasonal weather averages in july:

  • Outside temperature: 64°F to 70°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 11.2mph
  • It rains a total of 3.8in, over 6 day(s).

Should we swim in Helsinki in july?

Yes... and no. The water temperature in Helsinki in july is cool

Swimming in july on the beaches of Helsinki is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 72°F, it can also be as low as 59°F! Note that the average is 65°F.

Note also that in july, the climate is good with an average outside temperature of 67°F, 3.8in of precipitation (over 6 days) and 76.93 % humidity.

Water and normal seasonal temperatures in Helsinki in july

July
Average sea temperature 65°F
Minimum sea temperature 59°F
Maximum sea temperature 72°F
Average outside temperature 68°F
Maximum outside temperature 70°F
Minimum outside temperature 65°F
Wind speed 11.2mph
Wind temperature 65°F
Precipitation 3.8in
Number of days of rain 6 jour(s)
(19%)
Humidity 77%
Visibility in kilometers 9.57km
Cloud cover 34%
Our opinion cool swimming

Chart of the tides in july 2025

Tide times in july 2025 in Helsinki

Swim elsewhere in Finland in july

City Average T° Max. T° Our opinion
Åland in july53°F74°Ffreezing swimming
Kalajoki in july61°F68°Fcold swimming
Kotka in july66°F73°Fcool swimming
Oulu in july63°F67°Fcold swimming
Turku in july55°F73°Ffreezing swimming
Vaasa in july62°F70°Fcold swimming

Swim in Finland in july: sea temperature by city

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