May in New Bedford averages a daily high of 19.5°C with nights around 8.3°C. Expect roughly 12.7 wet days totalling 88.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit New Bedford is May–September.
Based on NEW BEDFORD MUNICIPAL AIRPORT, MA US (5.6km), 1995–2024. 28 years of May data.