When planning a visit to Southern Finland in Finland, it helps to know that temperatures typically range from -1°C (30°F) in February up to 23°C (73°F) during the peak of July. Our detailed climate overview is based on data from Helsinki, the region's most well-known city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
Southern Finland offers pleasant conditions in June, July and August, with temperatures typically ranging from 20°C (68°F) to 23°C (73°F).
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 (3.1 in) of rain in July, dropping to 42 mm (1.7 in) in March.
June is the sunniest period, with ideal conditions for exploring the region and all it has to offer.