Jefferson Weather Forecast

    • 27
    • 51

    Mostly Sunny

    • 41
    • 60

    Mostly Cloudy

    • 48
    • 62

    Rain

    • 30
    • 58

    Sunny

    • 37
    • 57

    Mostly Sunny

    • 37
    • 64

    Mostly Sunny

Today 16 Dec Chesterfield

Sunny. Highs around 50. South Winds around 5 Mph.

Tonight 16 Dec Chesterfield

Mostly clear. Lows in the upper 20s. Southwest Winds around 5 Mph.

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Jefferson Temperature Statistics

December Temperature

Hartsville Regional Airport (23 miles)

  • Lowest 14 December, 2025

    24.8 °F

  • Average December

    42.9 °F

  • Highest 13 December, 2025

    66.2 °F

Climate (2020–Present)

Hartsville Regional Airport (23 miles)

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  • Average Low 2020–2025

    52.8 °F

  • Average 2020–2025

    63.1 °F

  • Average High 2020–2025

    74.1 °F
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