Kalajoki
Finland
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Kalajoki, Finland

Sea temperature

In Kalajoki, Finland, in December, the average water temperature is 2.6°C (36.7°F).
Note: 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.

Daylight

With an average of 4.3h of daylight, December has the shortest days of the year.

What is the water temperature in December in Kalajoki?

In December, the average sea temperature is 2.6°C (36.7°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 Kalajoki?

The month with the shortest days in Kalajoki, Finland, is December, with an average of 4.3h of daylight.

What is the average length of the day in December in Kalajoki?

In Kalajoki, Finland, the average length of the day in December is 4.3h.
Average sea temperature in December - Kalajoki, Finland
  • Average sea temperature in December: 2.6°C

The best month for swimming (with the highest average sea temperature) is August (16.3°C).
The coldest month (with the lowest average sea temperature) is April (-0.3°C).

Average daylight in December - Kalajoki, Finland
  • Average daylight in December: 4.3h

The month with the longest days is June (Average daylight: 21h).
The month with shortest days is December (Average daylight: 4.3h).