January in Sunderland averages a daily high of 7.1°C with nights around 1.3°C. Expect roughly 14.9 wet days totalling 53.2mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Sunderland is June–September.
Based on DURHAM, UK (20km), 1995–2024. 26 years of January data.