April in Haverhill averages a daily high of 14.3°C with nights around 1.8°C. Expect roughly 12.5 wet days totalling 109.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Haverhill is May–June.
Based on HAVERHILL, MA US (2.3km), 1995–2024. 30 years of April data.