January in Manchester averages a daily high of 0.6°C with nights around -10.9°C. Expect roughly 9 wet days totalling 75.8mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Manchester is May–September.
Based on MASSABESIC LAKE, NH US (5.1km), 1995–2024. 28 years of January data.