Finland in August: where is it warmest?
In August, Helsinki is the warmest place with 20 °C by day, Rovaniemi, Lapland the coolest with 17 °C. 5 of 7 destinations have good holiday weather.
All destinations in August, warmest first
Long-term averages for the month: daytime high, sea, sunshine and rainy days.
Finland in August: quick answers
Finland in August: where is it warmest?
The warmest places in August are Helsinki (20 °C), Espoo (20 °C) and Turku (20 °C).
Finland in August: where is the sea warmest?
The sea is warmest at Porvoo (18 °C), Helsinki (17 °C) and Espoo (17 °C).
Finland in August: where is the weather best?
The best holiday weather in August – warm, sunny and dry – is in Helsinki, Espoo and Turku.
Finland month by month
Finland: weather & best time to visit
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences