Avon Weather Forecast

    • 13
    • 28

    Chance Snow

    • 29
    • 45

    Mostly Cloudy

    • 21
    • 39

    Partly Sunny

    • 31
    • 42

    Mostly Cloudy

    • 30
    • 52

    Partly Sunny

    • 29
    • 43

    Mostly Cloudy

Today 18 Dec Bon Homme

Mostly cloudy with a chance of snow in the Morning, then partly sunny in the afternoon. Windy and much cooler with Highs in the lower 30s. Temperature falling to around 18 in the afternoon. Northwest Winds 25 to 35 Mph with Gusts up to 55 Mph. Chance of snow 40 percent.

Tonight 18 Dec Bon Homme

Clear in the Evening, then becoming partly cloudy. Colder. Near steady temperature around 15. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming southwest 5 to 10 Mph after midnight.

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Avon Temperature Statistics

December Temperature

Yankton, Chan Gurney Municipal Airport (34.8 miles)

  • Lowest 14 December, 2025

    -13 °F

  • Average December

    21.2 °F

  • Highest 9 December, 2025

    46.9 °F

Climate (2020–Present)

Yankton, Chan Gurney Municipal Airport (34.8 miles)

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  • Average Low 2020–2025

    39.2 °F

  • Average 2020–2025

    50.2 °F

  • Average High 2020–2025

    61.3 °F
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