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Climate almanac

Heidelberg

Western Cape, South Africa · -34.09°, 20.96°

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What is the weather like in Heidelberg in December?

In December, Heidelberg is typically 80°F (27°C) during the day and 59°F (15°C) at night. The month brings about 1.1 in (27 mm) of precipitation in total.

  • Average high80°F (27°C)
  • Average low59°F (15°C)
  • Precipitation1.1 in (27 mm)
  • Clear or mostly clear days14
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)