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August in Oulu averages a daily high of 18.5°C with nights around 12.5°C. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Oulu is July–August.
Based on OULU VIHREASAARI, FI (3.4km), 1995–2024. 28 years of August data.
See all twelve months for Oulu →