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Climate almanac

Discovery Bay

California, United States · 37.91°, -121.60°

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What is the weather like in Discovery Bay in January?

In January, Discovery Bay is typically 60°F (15°C) during the day and 44°F (7°C) at night. The month brings about 4.3 in (110 mm) of precipitation in total.

  • Average high60°F (15°C)
  • Average low44°F (7°C)
  • Precipitation4.3 in (110 mm)
  • Clear or mostly clear days7
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)