Climate almanac
Stow
Massachusetts, United States · 42.44°, -71.51°
What is the climate like in Stow?
The best time to visit Stow is typically August – September, with trip comfort peaking in June (6.9/10). Stow is warmest in July, when daily highs average 85°F (29°C), and coolest in January, when lows fall to about 24°F (-5°C). The wettest month is typically December and the driest is June; the year sees roughly 45 in (1133 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 24°F (-5°C)
- Wettest monthDecember (4.7 in (120 mm))
- Driest monthJune (3.1 in (80 mm))
- Annual precipitation45 in (1133 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromBedford Hanscom Fld, 18 km away (1949-2026)