December weather forecast
Pori, Finland

Finally, Pori bids farewell to the year under a thick white blanket of snow. December is characterized by biting cold, with the average high temperature dipping to -1°C (30.2°F). With only around 5.6 hours of daylight, the city enters into the domain of the polar night. Festive spirits run high, with the snow-covered landscape creating a magical, Winter Wonderland scenario. Despite the harsh weather conditions, the chilly month brings with it the enchanting charm of the holiday season.

Temperature

The onset of December brings a small shift in high-temperatures, falling from an icy 2°C (35.6°F) in November to a freezing cold -1°C (30.2°F). December nights in Pori, Finland, witness a mild cool down to an average low of -5°C (23°F).

Rainfall

Throughout December, in Pori, 30mm (1.18") of precipitation is accumulated. During the entire year, Pori aggregates up to 360mm (14.17") of precipitation.

Sea temperature

In Pori, Finland, in December, the average water temperature is 2.5°C (36.5°F).
Note: Within swimming, this is perceived as extraordinarily cold, dangerous, and potentially lethal. If not properly protected by insulated waterproof attire, hypothermia ensues quickly.

Daylight

The month with the shortest days is December, with an average of 5h and 30min of daylight.
On the first day of December in Pori, sunrise is at 09:21 and sunset at 15:22. On the last day of the month, sunrise is at 09:49 and sunset at 15:22 EET.