Snellville Weather Forecast

    • 45
    • 58

    Mostly Cloudy

    • 52
    • 66

    Decreasing Clouds

    • 52
    • 73

    Partly Sunny

    • 53
    • 73

    Mostly Sunny

    • 58
    • 71

    Mostly Cloudy

    • 56
    • 73

    Mostly Cloudy

    • 38
    • 70

    Chance Rain Showers

Today 22 Dec Gwinnett

Mostly sunny. Near steady temperature in the mid 50s. East Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 22 Dec Gwinnett

Mostly cloudy. Lows in the mid 40s. Light east Winds.

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  • Temperature Forecast NOAA

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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

    42.4 °F
  • Highest 13 December, 2025

    68 °F

Climate (2020–Present)

Gwinnett County Airport-Briscoe Field (9.3 miles)

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  • Average Low 2020–2025

    52.9 °F
  • Average 2020–2025

    61.9 °F
  • Average High 2020–2025

    72 °F
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