Daytime highs, nighttime lows and the warmest cities across Finland this December.
Finland, experiences maximum daytime temperatures in December ranging from -6°C (21°F) in Kilpisjärvi to 5°C (41°F) in Kökar. Nighttime temperatures generally drop to 1°C (34°F) in Kökar and -13°C (9°F) in Kilpisjärvi. In December, it is winter.
Discover the typical December temperatures for the most popular locations of Finland on the map below. Detailed insights are just a click away.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Finland.
Marker color shows the average daytime high temperature in December: blue is cold, red is hot.
Drill down to December weather for any region in Finland.
Pick a city to see its December weather averages.
Expect daytime temperatures around 2°C (36°F) in Helsinki. That makes December a very low month for Finland.
After dark, Helsinki cools to about -4°C (25°F) on an average December night.
Based on our systematic data collection, Kökar has been identified as the city with the highest average temperatures. The daytime temperature usually hovers around 5°C (41°F), while at night it goes down to an approximate temperature of 1°C (34°F).
According to our data, Kilpisjärvi holds the title for the coldest city in Finland in December. It experiences maximum temperatures of approximately -6°C (21°F) and drops to lows of about -13°C (9°F) during the night.
Most areas see fewer sunny days, with a projection of about 30 hours of sunshine in Helsinki. This reduced sunlight makes it ideal for those who prefer cooler, overcast conditions over bright sunny days.
The water temperature averages approximately 4°C (39°F) in Helsinki this month, so not the best month to swim.
We have much more information about the climate in 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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