Temperature in Southern Finland in December

Daytime highs, nighttime lows and the warmest cities in Southern Finland, Finland this December.

Southern Finland, Finland, a region in Finland, experiences maximum daytime temperatures in December ranging from -1°C (30°F) in Parikkala to 4°C (39°F) in Hanko. Nighttime temperatures generally drop to 0°C (32°F) in Hanko and -6°C (21°F) in Parikkala. December falls during the winter season.

What is the temperature of the different cities in Southern Finland, Finland in December?

Find the average daytime temperatures in December for the most popular destinations in Southern Finland on the map below. Click on a destination dot for more detailed information.

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Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Southern Finland, check out our Southern Finland's climate page.

See also: Southern Finland weather by month.

Best Places to Visit in Southern Finland in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Southern Finland.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in December: blue is cold, red is hot.

See all December weather averages, cities and regions in Southern Finland

Southern Finland temperatures in December: frequently asked questions

How hot does it get in Southern Finland, Finland in December?

Average daytime highs in Southern Finland, Finland during December reach about 2°C (36°F) in Helsinki.

How cold does it get at night in Southern Finland, Finland in December?

Helsinki sees nighttime lows close to -4°C (25°F) in December.

What is the warmest city in December in Southern Finland, Finland?

Hanko tops the warmest city list in our database with average maximum daytime temperatures around 4°C (39°F) and a minimum nighttime temperature of around 0°C (32°F).

What is the coldest city in December in Southern Finland, Finland?

According to our data, Parikkala holds the title for the coldest city in Southern Finland, Finland in December. It experiences maximum temperatures of approximately -1°C (30°F) and drops to lows of about -6°C (21°F) during the night.

How much sun does Southern Finland, Finland get in December?

Helsinki experiences limited sunny days, amounting to roughly 30 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days.

What is the water temperature in December?

The water temperature averages approximately 4°C (39°F) in Helsinki this month, generally too cold for comfortable swimming.

Interested in more climate information?

We have much more information about the climate in Southern Finland.

Weather and climate has detailed information for every country in the world. Are you going to Finland? Get detailed historical weather averages for many cities in Finland.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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