October in Oviedo averages a daily high of 19.5°C with nights around 10.9°C. Expect roughly 13.7 wet days totalling 92.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Oviedo is June–October.
Based on OVIEDO, SP (2.4km), 1995–2024. 28 years of October data.