Climate and Weather of Southern Finland, Finland

In Finland you have several regions, one of which is called Southern Finland. The most popular city in this region is Helsinki, whose climate data we'll examine to provide you with an overview of what weather to expect in Southern Finland. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.

In Southern Finland, the months of June, July and August bring pleasant weather, with average temperatures ranging between 20°C and 23°C.

Southern Finland reaches its peak temperature in July, hitting 23°C, while February brings cooler conditions with daytime highs of -1°C.

The colder weather is most prominent in the months of January, February, March, April, October, November and December.

When it comes to rainfall, Southern Finland experiences moderate variations in precipitation across the seasons. You can expect around 80 mm of rain in July, dropping to 42 mm in March.

June is the sunniest period, with ideal conditions for exploring the region and all it has to offer.

Select a Month of Interest

Check the conditions for any month of the year.

Interested in the detailed Weather and Climate of Southern Finland, Finland?

Please select a city below the map you wish to travel to, or the one closest to your destination. Each selected city will show you the following graphs:
1. Average minimum and maximum temperature over the year
2. Average monthly precipitation over the year (rainfall, snow)
3. Average monthly hours of sunshine over the year
On certain pages we also offer other historical climate data like humidity wind speed and water temperature.