January in Gijón averages a daily high of 14°C with nights around 7.6°C. Expect roughly 16.2 wet days totalling 115.6mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Gijón is June–September.
Based on GIJON MUSEL, SP (4.1km), 1995–2024. 27 years of January data.