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Climate almanac

Summerville

South Carolina, United States · 33.02°, -80.18°

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What is the weather like in Summerville in December?

In December, Summerville is typically 63°F (17°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 high63°F (17°C)
  • Average low44°F (7°C)
  • Precipitation4.3 in (110 mm)
  • Clear or mostly clear days11
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)