Uusikaupunki
Finland
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Uusikaupunki, Finland

Sea temperature

In Uusikaupunki, Finland, in Diciembre, the average water temperature is 1.9°C (35.4°F).
Note: For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

Daylight

The month with the shortest days is Diciembre, with an average of 5.8h of daylight.

What is the water temperature in Diciembre in Uusikaupunki?

In Diciembre, the average sea temperature in Uusikaupunki is 1.9°C (35.4°F). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

What is the month with the shortest days in Uusikaupunki?

The month with the shortest days in Uusikaupunki is Diciembre, with an average of 5.8h of daylight.

How many hours of daylight does Uusikaupunki have in Diciembre?

In Uusikaupunki, the average length of the day in Diciembre is 5.8h.
Average sea temperature in December - Uusikaupunki, Finland
  • Average sea temperature in December: 1.9°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 December - Uusikaupunki, Finland
  • Average daylight in December: 5.8h

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