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April in Porvoo averages a daily high of 6.7°C with nights around 1°C. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Porvoo is June–August.
Based on PORVOO EMASALO, FI (21.1km), 1995–2024. 25 years of April data.
See all twelve months for Porvoo →