Avon Weather Forecast

    • 25
    • 49

    Slight Chance Rain

    • 20
    • 29

    Slight Chance Wintry Mix

    • 11
    • 33

    Slight Chance Freezing Rain

    • 4
    • 19

    Chance Snow

    • -4
    • 9

    Slight Chance Snow

    • 15
    • 20

    Mostly Cloudy

Today 9 Dec Bon Homme

Mostly cloudy. A slight chance of rain late this Morning, then a chance of rain this afternoon. Highs in the upper 40s. Southwest Winds 15 to 20 Mph. Gusts up to 30 Mph, increasing to 40 Mph this afternoon. Chance of rain 40 percent.

Tonight 9 Dec Bon Homme

Partly cloudy and windy. Lows in the mid 20s. Northwest Winds 20 to 30 Mph with Gusts up to 55 Mph.

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Avon Temperature Statistics

December Temperature

Yankton, Chan Gurney Municipal Airport (34.8 miles)

  • Lowest 3 December, 2025

    -4 °F

  • Average December

    21.2 °F

  • Highest 5 December, 2025

    37.9 °F

Climate (2020–Present)

Yankton, Chan Gurney Municipal Airport (34.8 miles)

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  • Average Low 2020–2025

    39.3 °F

  • Average 2020–2025

    50.2 °F

  • Average High 2020–2025

    61.4 °F
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