Charleston weather in January

Check the Charleston, South Carolina weather in January before you book your next holiday. This gives the best indication of the weather in January and includes figures for temperature, sunshine and rainfall.

  • 14°C maximum daytime temperature in January in Charleston14
    14°C max day temperature
  • 6 hours of sunshine per day (57% of daylight hours) in January in Charleston6
    6 hours of sunshine per day
  • 10 days with some rainfall in January in Charleston10
    10 days with some rainfall
  • 5°C minimum night-time temperature in January in Charleston5
    5°C min night temperature
  • 10 hours of daylight per day in January in Charleston10
    10 hours of daylight per day
  • No heat & humidity in January in Charleston0
    No heat & humidity
  • 86 mm monthly rainfall in January in Charleston86
    86 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in January in Charleston3
    3 (Moderate) UV index
  • 21°C sea temperature in January in Charleston21
    21°C sea temperature

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Metric (°C / mm)  |  Imperial (°F / inches)

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