November in Nashua averages a daily high of 10.4°C with nights around -1.3°C. Expect roughly 10.1 wet days totalling 97mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Nashua is May–June.
Based on NASHUA 2 NNW, NH US (2.9km), 1995–2024. 29 years of November data.