Snellville Weather Forecast

    • 27
    • 42

    Increasing Clouds

    • 35
    • 50

    Mostly Sunny

    • 38
    • 56

    Partly Sunny

    • 48
    • 57

    Rain Showers

    • 44
    • 59

    Chance Rain Showers

    • 42
    • 58

    Partly Sunny

    • 43
    • 60

    Partly Sunny

Today 30 Dec Gwinnett

Sunny. Highs in the lower 40s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 30 Dec Gwinnett

Mostly clear. Lows in the upper 20s. Northwest Winds 5 to 10 Mph.

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Snellville Temperature Statistics

December Temperature

Gwinnett County Airport-Briscoe Field (9.3 miles)

  • Lowest 16 December, 2025

    23 °F

  • Average December

    46.9 °F

  • Highest 27 December, 2025

    75 °F

Climate (2020–Present)

Gwinnett County Airport-Briscoe Field (9.3 miles)

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  • Average Low 2020–2025

    53 °F

  • Average 2020–2025

    62 °F

  • Average High 2020–2025

    72 °F
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