Helsinki weather in December (Southern Finland, Finland)

Planning a trip to Helsinki in December? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.

In December, Helsinki typically experiences very low temperatures and moderate snow/rainfall. December is a winter month. Anticipate daytime temperatures around 2°C, while night temperatures can drop to -4°C. The month is chilly, so ensure you're equipped and dress warmly. Preparation becomes key in these temperatures.

Helsinki in December usually receives moderate snow/rainfall, averaging around 64 mm for the month. When we look at the climate data from the last 30 years, we can expect around 21 days of snow/rain.

The area 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

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Helsinki. June, July and August typically offer the most agreeable circumstances. On the other hand, January, February, March, April, October, November and December tend to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized Helsinki climate page with graphs.

 

Helsinki, monthly averages in December

Min TemperatureMin Temperature -4°C  
Max TemperatureMax Temperature 2°C  
Water TemperatureWater Temperature 4°C  
Chance of RainChance of Rain 71%  
PrecipitationPrecipitation 64 mm  
Rainy daysRainy days 21 days  
HumidityHumidity 89%  
WindspeedWindspeed 14 km/h  
SunshineSunshine 30 hours  
Percentage SunshinePercentage Sunshine  

Where to go in Finland in December

Find out more about the weather in Finland in December and which places have the best weather conditions in this month.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Helsinki in December?

Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature. With a water temperature of around 4°C there is no need to bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in December.

Swimming
4/10
Cycling
2/10
Walking
2/10
Camping
1/10
Outdoor sports
2/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Helsinki.

Our site offers climate and forecast data for every country in the world. Are you going to Finland? On this website you can find 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 climate conditions. Find out where to go with our weather planner.