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Climate almanac

Simi Valley

California, United States · 34.27°, -118.78°

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What is the weather like in Simi Valley in March?

In March, Simi Valley is typically 66°F (19°C) during the day and 48°F (9°C) at night. The month brings about 3.4 in (85 mm) of precipitation in total.

  • Average high66°F (19°C)
  • Average low48°F (9°C)
  • Precipitation3.4 in (85 mm)
  • Clear or mostly clear days13
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)