Hanahan Weather Forecast

    • 46
    • 53

    Rain Showers

    • 45
    • 53

    Rain Showers

    • 43
    • 58

    Chance Rain

    • 30
    • 54

    Partly Sunny

    • 35
    • 51

    Mostly Sunny

    • 44
    • 60

    Mostly Sunny

Today 5 Dec Inland Berkeley

Showers. Highs in the lower 50s. North Winds around 5 Mph. Chance of rain near 100 percent.

Tonight 5 Dec Inland Berkeley

Showers likely. Lows in the lower 40s. North Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 70 percent.

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Hanahan Temperature Statistics

December Temperature

Charleston, Charleston Air Force Base (2.5 miles)

  • Lowest 2 December, 2025

    46 °F

  • Average December

    52 °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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