December weather forecast and climate
Espoo, Finland

Weather in December

Sea temperature

In December, the average sea temperature in Espoo, Finland, is 4°C (39.2°F).
Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

Daylight

With an average of 6h of daylight, December has the shortest days of the year in Espoo.
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FAQ

What is the sea temperature in December in Espoo?

In Espoo, the average seawater temperature in December is 4°C (39.2°F). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

What is the month with the shortest days in Espoo?

December has the shortest days of the year, with an average of 6h of daylight.

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

In December, the average length of the day is 6h.

Average sea temperature in December
Espoo, Finland

Average sea temperature in December - Espoo, Finland
  • Average sea temperature in December: 4°C

The best month for swimming (with the highest average sea temperature) is August (18.7°C).
The coldest month (with the lowest average sea temperature) is March (0.1°C).

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Average daylight in December
Espoo, Finland

Average daylight in December - Espoo, Finland
  • Average daylight in December: 6h

The month with the longest days is June (Average daylight: 18.8h).
The month with the shortest days is December (Average daylight: 6h).

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