Alvin Weather Forecast

    • 18
    • 38

    Sunny

    • 28
    • 52

    Mostly Sunny

    • 42
    • 60

    Mostly Cloudy

    • 52
    • 68

    Chance Rain Showers

    • 34
    • 62

    Mostly Sunny

    • 42
    • 60

    Mostly Sunny

    • 45
    • 68

    Partly Sunny

Today 15 Dec Inland Berkeley

Sunny. Much cooler with Highs in the upper 30s. North Winds around 5 Mph.

Tonight 15 Dec Inland Berkeley

Clear. Lows around 20, except in the upper 20s near lake Moultrie. Light and variable Winds.

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Alvin Temperature Statistics

December Temperature

Moncks Corner Berkeley County (16.8 miles)

  • Lowest 10 December, 2025

    26.6 °F

  • Average December

    45.5 °F

  • Highest 13 December, 2025

    68 °F

Climate (2020–Present)

Moncks Corner Berkeley County (16.8 miles)

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  • Average Low 2020–2025

    55.2 °F

  • Average 2020–2025

    64.3 °F

  • Average High 2020–2025

    75 °F
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