November in Somerville averages a daily high of 11.1°C with nights around 3.4°C. Expect roughly 9.9 wet days totalling 86.1mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Somerville is May–September.
Based on BOSTON LOGAN INTERNATIONAL AIRPORT, MA US (8km), 1995–2024. 30 years of November data.