Seabrook Island Weather Forecast

    • 48
    • 59

    Mostly Sunny

    • 53
    • 63

    Mostly Sunny

    • 23
    • 63

    Slight Chance Rain Showers

    • 30
    • 41

    Sunny

    • 41
    • 54

    Mostly Sunny

    • 49
    • 61

    Mostly Cloudy

Today 12 Dec Charleston

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

Tonight 12 Dec Charleston

Mostly clear. Lows in the mid 40s. Southwest Winds 5 to 10 Mph.

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Seabrook Island Temperature Statistics

December Temperature

Charleston Executive Airport (12.4 miles)

  • Lowest 9 December, 2025

    30.2 °F

  • Average December

    49 °F

  • Highest 2 December, 2025

    59 °F

Climate (2020–Present)

Charleston Executive Airport (12.4 miles)

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  • Average Low 2020–2025

    58.9 °F

  • Average 2020–2025

    67.2 °F

  • Average High 2020–2025

    76 °F
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