March in Lynn averages a daily high of 7.5°C with nights around -1.6°C. Expect roughly 8.8 wet days totalling 114.3mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Lynn is June–September.
Based on MARBLEHEAD, MA US (7.9km), 1995–2024. 29 years of March data.