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Climate almanac

Hilmar-Irwin

California, United States · 37.40°, -120.85°

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What is the weather like in Hilmar-Irwin in December?

In December, Hilmar-Irwin is typically 60°F (15°C) during the day and 43°F (6°C) at night. The month brings about 3.7 in (94 mm) of precipitation in total.

  • Average high60°F (15°C)
  • Average low43°F (6°C)
  • Precipitation3.7 in (94 mm)
  • Clear or mostly clear days9
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)