March in Nashua averages a daily high of 7.6°C with nights around -4.3°C. Expect roughly 8.8 wet days totalling 109.7mm. A hard month to visit for comfort alone.
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 March data.