Intracoastal Waterway - South Island Ferry Weather Forecast

    • 45
    • 57

    Mostly Sunny

    • 50
    • 62

    Mostly Sunny

    • 22
    • 60

    Chance Rain

    • 28
    • 40

    Sunny

    • 38
    • 50

    Mostly Sunny

    • 48
    • 58

    Mostly Cloudy

Today 12 Dec Coastal Georgetown

Sunny. Highs in the upper 50s. Southwest Winds 5 to 10 Mph.

Tonight 12 Dec Coastal Georgetown

Mostly clear. Near steady temperature in the upper 30s. West Winds around 5 Mph.

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Intracoastal Waterway - South Island Ferry Temperature Statistics

December Temperature

Georgetown County Airport (5 miles)

  • Lowest 9 December, 2025

    26.6 °F

  • Average December

    44.6 °F

  • Highest 1 December, 2025

    55.4 °F

Climate (2020–Present)

Georgetown County Airport (5 miles)

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  • Average Low 2020–2025

    54.6 °F

  • Average 2020–2025

    63.8 °F

  • Average High 2020–2025

    74.1 °F
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