Climate almanac
Acton
Massachusetts, US · 42.49°, -71.43°
What is the climate like in Acton?
Acton 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 of precipitation.
- Warmest monthJuly — average high 85°F (29°C)
- Coolest monthJanuary — average low 24°F (-5°C)
- Wettest monthDecember (4.7 in)
- Driest monthJune (3.1 in)
- Annual precipitation45 in