January in Blackburn averages a daily high of 7.6°C with nights around 2°C. Expect roughly 18.4 wet days totalling 95.4mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Blackburn is May–September.
Based on PRESTON MOOR PARK, UK (14.7km), 1995–2024. 24 years of January data.