May in Methuen averages a daily high of 20.4°C with nights around 9.4°C. Expect roughly 11.9 wet days totalling 98.6mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Methuen is May–June.
Based on LAWRENCE, MA US (3.6km), 1995–2024. 28 years of May data.