Mount Lemmon Ski Valley Weather Forecast

    • 41
    • 55

    Sunny

    • 44
    • 57

    Sunny

    • 44
    • 59

    Sunny

    • 42
    • 58

    Sunny

    • 42
    • 58

    Sunny

    • 42
    • 58

    Partly Sunny

    • 40
    • 57

    Mostly Sunny

Today 8 Dec Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven

Sunny. Highs 55 to 65.

Tonight 8 Dec Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven

Clear. Lows 41 to 47.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Lemmon Ski Valley Temperature Statistics

December Temperature

Davis-Monthan Air Force Base (20.5 miles)

  • Lowest 5 December, 2025

    39.2 °F

  • Average December

    52.6 °F

  • Highest 2 December, 2025

    69.1 °F

Climate (2020–Present)

Davis-Monthan Air Force Base (20.5 miles)

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  • Average Low 2020–2025

    57.7 °F

  • Average 2020–2025

    70.5 °F

  • Average High 2020–2025

    83.5 °F
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