Big Sand State Park Weather Forecast

    • 32
    • 54

    Increasing Clouds

    • 32
    • 50

    Mostly Cloudy

    • 36
    • 48

    Rain

    • 30
    • 50

    Rain Showers Likely

    • 25
    • 44

    Rain Showers Likely

    • 18
    • 39

    Partly Sunny

Today 22 Dec Western Uinta Basin

Sunny. Highs in the mid 50s.

Tonight 22 Dec Western Uinta Basin

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 30s.

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Big Sand State Park Temperature Statistics

December Temperature

Vernal Airport (38.5 miles)

  • Lowest 1 December, 2025

    18 °F

  • Average December

    35 °F

  • Highest 20 December, 2025

    52 °F

Climate (2020–Present)

Vernal Airport (38.5 miles)

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  • Average Low 2020–2025

    36.6 °F

  • Average 2020–2025

    49.4 °F

  • Average High 2020–2025

    61.8 °F
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