Long-term weather forecast
Long-term weather forecast

July weather forecast and climate
Uusikaupunki, Finland

Sea temperature

In Julio, the average sea temperature in Uusikaupunki, Finland, is 12.3°C (54.1°F).
Note: Swimming in 12.3°C (54.1°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.


In Uusikaupunki, the average length of the day in Julio is 18.2h.

What is the sea water temperature in Julio in Uusikaupunki?

In Uusikaupunki, in Julio, the average water temperature is 12.3°C (54.1°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

What is the average length of the day in Julio in Uusikaupunki?

The average length of the day in Julio in Uusikaupunki is 18.2h.
Average sea temperature in July - Uusikaupunki, Finland
  • Average sea temperature in July: 12.3°C

The best month for swimming (with the highest average sea temperature) is August (13.1°C).
Coldest months (with the lowest average sea temperature) are February and March (-0.3°C).

Average daylight in July - Uusikaupunki, Finland
  • Average daylight in July: 18.2h

The month with the longest days is June (Average daylight: 19h).
The month with shortest days is December (Average daylight: 5.8h).