Daytime highs, nighttime lows and the warmest cities in Southern Finland, Finland this April.
Southern Finland, Finland, a region in Finland, experiences low average maximum daytime temperatures in April, ranging from 5°C (41°F) in Hanko to 10°C (50°F) in Loimaa. Nighttime temperatures generally drop to 0°C (32°F) in Loimaa and 1°C (34°F) in Hanko.
To get a sense of April's typical temperatures in the key spots of Southern Finland, explore the map below. Click on a point for an in-depth look.
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 Southern Finland.
Marker color shows the average daytime high temperature in April: blue is cold, red is hot.
Helsinki averages a daytime high of 9°C (48°F) in April, which is low for Southern Finland, Finland.
Nighttime temperatures in Helsinki typically drop to around 0°C (32°F) in April.
Based on our systematic data collection, Loimaa has been identified as the city with the highest average temperatures. The daytime temperature usually hovers around 10°C (50°F), while at night it goes down to an approximate temperature of 0°C (32°F).
For the month of April, Hanko is the most temperate city in Southern Finland, Finland based on our records. Highs average 5°C (41°F) and nighttime temperatures dip to around 1°C (34°F).
Helsinki enjoys approximately 195 hours of sunshine, offering a mostly sunny climate that adds a pleasant and vibrant feel to the month.
The water temperature averages approximately 2°C (36°F) in Helsinki this month, generally too cold for comfortable swimming.
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.
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