Climate almanac
Nonantum
Massachusetts, United States · 42.36°, -71.20°
What is the climate like in Nonantum?
The best time to visit Nonantum is typically August – September, with trip comfort peaking in June (6.8/10). Nonantum is warmest in July, when daily highs average 84°F (29°C), and coolest in January, when lows fall to about 25°F (-4°C). The wettest month is typically December and the driest is November; the year sees roughly 45 in (1131 mm) of precipitation.
- Best time to visitAugust – September — comfort peaks in June (6.8/10)
- Warmest monthJuly — average high 84°F (29°C)
- Coolest monthJanuary — average low 25°F (-4°C)
- Wettest monthDecember (4.6 in (117 mm))
- Driest monthNovember (3.0 in (77 mm))
- Annual precipitation45 in (1131 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromBlue Hill Coop, 18 km away (1885-2026)