Temperature in Southern Finland in January

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

Southern Finland, Finland, a region in Finland, experiences very low average maximum daytime temperatures in January, ranging from -3°C (27°F) in Parikkala to 2°C (36°F) in Hanko. Nighttime temperatures generally drop to -3°C (27°F) in Hanko and -10°C (14°F) in Parikkala. During January, winter is in full swing.

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

Explore the map below to discover average January temperatures at the top destinations in Southern Finland. For a deeper dive, simply click on any destination dot.

Select a Month

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 January

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 January: blue is cold, red is hot.

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

Southern Finland temperatures in January: frequently asked questions

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

Helsinki averages a daytime high of -1°C (30°F) in January, which is very low for Southern Finland, Finland.

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

Nighttime temperatures in Helsinki typically drop to around -7°C (19°F) in January.

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

Based on our systematic data collection, Hanko has been identified as the city with the highest average temperatures. The daytime temperature usually hovers around 2°C (36°F), while at night it goes down to an approximate temperature of -3°C (27°F).

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

Our database indicates that in January, Parikkala is the city with the coolest temperatures in Southern Finland, Finland. You can expect daytime highs of -3°C (27°F) and nighttime lows close to -10°C (14°F).

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

Helsinki experiences limited sunny days, amounting to roughly 39 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 January?

The water temperature averages approximately 0°C (32°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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