Acton

What is the climate like in Acton?

The best time to visit Acton is typically April – October, with trip comfort peaking in July (9.3/10). Acton is warmest in July, when daily highs average 90°F (32°C), and coolest in January, when lows fall to about 41°F (5°C). The wettest month is typically March and the driest is July; the year sees roughly 15 in (380 mm) of precipitation.

• Best time to visitApril – October — comfort peaks in July (9.3/10)
• Warmest monthJuly — average high 90°F (32°C)
• Coolest monthJanuary — average low 41°F (5°C)
• Wettest monthMarch (2.8 in (71 mm))
• Driest monthJuly (0.1 in (3 mm))
• Annual precipitation15 in (380 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromPalmdale, 16 km away (1931-2026)