Mammoth Mountain Ski Area Weather Forecast

    • 38
    • 56

    Sunny

    • 37
    • 55

    Sunny

    • 34
    • 53

    Mostly Sunny

    • 35
    • 51

    Mostly Sunny

    • 37
    • 54

    Partly Sunny

    • 36
    • 50

    Partly Sunny

Today 11 Dec Mono

Sunny. Highs 56 to 66. Light Winds.

Tonight 11 Dec Mono

Clear. Lows 26 to 36. Light Winds.

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Mammoth Mountain Ski Area Temperature Statistics

December Temperature

Mammoth Yosemite Airport (10.6 miles)

  • Lowest 4 December, 2025

    10.4 °F

  • Average December

    34.2 °F

  • Highest 2 December, 2025

    59 °F

Climate (2020–Present)

Mammoth Yosemite Airport (10.6 miles)

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  • Average Low 2020–2025

    29.7 °F

  • Average 2020–2025

    46 °F

  • Average High 2020–2025

    60.8 °F
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