Climate almanac
Acton
California, United States · 34.47°, -118.20°
What is the weather like in Acton in January?
In January, Acton is typically 59°F (15°C) during the day and 41°F (5°C) at night. The month brings about 2.7 in (68 mm) of precipitation in total. Snowfall averages about 0.6 in (15 mm) over the month.
- Average high59°F (15°C)
- Average low41°F (5°C)
- Precipitation2.7 in (68 mm)
- Clear or mostly clear days14
- Snowfall0.6 in (15 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)