Hanahan Weather Forecast

    • 31
    • 51

    Slight Chance Rain Showers

    • 32
    • 49

    Mostly Sunny

    • 42
    • 60

    Mostly Sunny

    • 39
    • 59

    Partly Sunny

    • 40
    • 61

    Partly Sunny

    • 34
    • 57

    Mostly Sunny

Today 8 Dec Inland Berkeley

Mostly cloudy. A slight chance of Showers this morning. Patchy fog this morning. Highs in the upper 40s. North Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 8 Dec Inland Berkeley

Mostly cloudy. Lows in the upper 20s, except in the mid 30s near lake Moultrie. North Winds around 5 Mph, except north 15 to 20 Mph along the lakeshore.

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Hanahan Temperature Statistics

December Temperature

Charleston, Charleston Air Force Base (2.5 miles)

  • Lowest 4 December, 2025

    36 °F

  • Average December

    50.4 °F

  • Highest 1 December, 2025

    55.9 °F

Climate (2020–Present)

Charleston, Charleston Air Force Base (2.5 miles)

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  • Average Low 2020–2025

    58.1 °F

  • Average 2020–2025

    67.3 °F

  • Average High 2020–2025

    77.5 °F
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