August in Oviedo averages a daily high of 23.7°C with nights around 15°C. Expect roughly 10.3 wet days totalling 54.1mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Oviedo is June–October.
Based on OVIEDO, SP (2.4km), 1995–2024. 28 years of August data.