Welded Anvil Weather Arrive prepared.

Climate almanac

Fallbrook

California, United States · 33.38°, -117.25°

+ Compare

What is the weather like in Fallbrook in January?

In January, Fallbrook is typically 65°F (19°C) during the day and 46°F (8°C) at night. The month brings about 3.1 in (78 mm) of precipitation in total.

  • Average high65°F (19°C)
  • Average low46°F (8°C)
  • Precipitation3.1 in (78 mm)
  • Clear or mostly clear days12
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)