February in Somerville averages a daily high of 4.3°C with nights around -3.8°C. Expect roughly 10.5 wet days totalling 79.8mm. A hard month to visit for comfort alone.
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 February data.