January in Haverhill averages a daily high of 2.2°C with nights around -7.9°C. Expect roughly 11.1 wet days totalling 88.7mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Haverhill is May–June.
Based on HAVERHILL, MA US (2.3km), 1995–2024. 30 years of January data.