Mammoth Lakes Weather Forecast

    • 32
    • 49

    Mostly Sunny

    • 31
    • 53

    Mostly Sunny

    • 30
    • 53

    Mostly Sunny

    • 34
    • 54

    Mostly Sunny

    • 36
    • 58

    Partly Sunny

    • 36
    • 59

    Mostly Sunny

    • 35
    • 59

    Mostly Sunny

Today 5 Dec Mono

Sunny. Highs 47 to 57. Light Winds.

Tonight 5 Dec Mono

Clear. Lows 25 to 35. Light Winds becoming west around 10 Mph after midnight.

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Mammoth Lakes Temperature Statistics

December Temperature

Mammoth Yosemite Airport (6.8 miles)

  • Lowest 1 December, 2025

    14 °F

  • Average December

    32.9 °F

  • Highest 2 December, 2025

    59 °F

Climate (2020–Present)

Mammoth Yosemite Airport (6.8 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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