June in Turku averages a daily high of 20.6°C with nights around 10.5°C. Expect roughly 9.8 wet days totalling 46mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Turku is June–August.
Based on TURKU ARTUKAINEN, FI (4.8km), 1995–2024. 22 years of June data.