Porvoo Weather in December

What's the weather like in Porvoo (Southern Finland Province) in December 2024?

The climate in Porvoo during December can be summarized as cold and reasonably dry.

December is in the winter in Porvoo and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a freezing -2°C (29°F), whilst at night -8°C (18°F) is normal.

Porvoo weather averages (imperial / metric)
Daytime temperature -1.8°C 28.8°F
Nightly temperature -7.8°C 18°F
Average temperature -4.8°C 23.4°F
Daily sunshine 0.7 hrs
Avg rainfall 59 mm 2.3 ins
Rainy days 20 days
Sea temperature 3.3°C 37.9°F
Humidity 88%
Windspeed 13.3kph 8 mph

On average December is the 6th wettest month of the year in Porvoo with around 59mm 2.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.

On the flip side this corresponds to an average of 0.7 hours of sunshine per day.

December temperatures in Porvoo

Porvoo average temperature in December

December rainfall

Porvoo average rain in December

December hourly sunshine

Porvoo average rain in December

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Porvoo in December 2024.

Other monthly averages

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UV index Best time to go?

Porvoo weather stats

Porvoo weather statistics
Hottest month: July 21.3°C 70.3°F
Driest month: February 34mm 1.3ins
Sunniest month: June 10.6hrs
Coldest month: January -4.6°C 23.7°F
Wettest month: August 80mm 3.1ins
Map showing location of Porvoo (60.39233, 25.66507) Porvoo map pin © Google

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