Climate almanac
Nashua
New Hampshire, United States · 42.77°, -71.47°
What is the climate like in Nashua?
The best time to visit Nashua is typically August – September, with trip comfort peaking in June (6.9/10). Nashua is warmest in July, when daily highs average 85°F (29°C), and coolest in January, when lows fall to about 23°F (-5°C). The wettest month is typically December and the driest is February; the year sees roughly 45 in (1138 mm) of precipitation.
- Best time to visitAugust – September — comfort peaks in June (6.9/10)
- Warmest monthJuly — average high 85°F (29°C)
- Coolest monthJanuary — average low 23°F (-5°C)
- Wettest monthDecember (4.8 in (122 mm))
- Driest monthFebruary (3.1 in (80 mm))
- Annual precipitation45 in (1138 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromNashua 2 Nnw, 3 km away (1885-2026)