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April in Oulu averages a daily high of 4.3°C with nights around -2.3°C. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Oulu is July–August.
Based on OULU VIHREASAARI, FI (3.4km), 1995–2024. 28 years of April data.
See all twelve months for Oulu →