January in Oviedo averages a daily high of 12°C with nights around 4.8°C. Expect roughly 15.4 wet days totalling 112.7mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Oviedo is June–October.
Based on OVIEDO, SP (2.4km), 1995–2024. 29 years of January data.