Hamina
Finland
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Hamina, Finland

Sea temperature

In Hamina, Finland, in Diciembre, the average water temperature is 2.9°C (37.2°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

With an average of 5.9h of daylight, Diciembre has the shortest days of the year in Hamina.

What is the sea temperature in Diciembre in Hamina?

In Diciembre, the average sea temperature is 2.9°C (37.2°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 Hamina?

The month with the shortest days is Diciembre, with an average of 5.9h of daylight.

How many hours of daylight does Hamina have in Diciembre?

In Hamina, the average length of the day in Diciembre is 5.9h.
Average sea temperature in December - Hamina, Finland
  • Average sea temperature in December: 2.9°C

The best month for swimming (with the highest average sea temperature) is July (19.3°C).
The coldest month (with the lowest average sea temperature) is February (-0.5°C).

Average daylight in December - Hamina, Finland
  • Average daylight in December: 5.9h

The month with the longest days is June (Average daylight: 18.9h).
The month with shortest days is December (Average daylight: 5.9h).