January in Brockton averages a daily high of 4°C with nights around -5.9°C. Expect roughly 11.2 wet days totalling 107.1mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Brockton is May–June.
Based on BROCKTON, MA US (4.1km), 1995–2024. 30 years of January data.