Jamesville Weather Forecast

    • 26
    • 35

    Mostly Cloudy

    • 21
    • 44

    Slight Chance Rain

    • 16
    • 26

    Chance Snow

    • 4
    • 27

    Chance Snow

    • -3
    • 14

    Mostly Cloudy

    • -1
    • 10

    Slight Chance Snow

Today 8 Dec Yankton

Mostly sunny. Not as cool with Highs in the mid 30s. South Winds 5 to 10 Mph.

Tonight 8 Dec Yankton

Mostly cloudy. Not as cool with Lows in the mid 20s. West Winds 5 to 10 Mph.

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Jamesville Temperature Statistics

December Temperature

Yankton, Chan Gurney Municipal Airport (13.7 miles)

  • Lowest 3 December, 2025

    -4 °F

  • Average December

    21.8 °F

  • Highest 5 December, 2025

    37.9 °F

Climate (2020–Present)

Yankton, Chan Gurney Municipal Airport (13.7 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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