Helvetia Weather Forecast

    • 45
    • 67

    Sunny

    • 44
    • 70

    Sunny

    • 47
    • 71

    Sunny

    • 48
    • 73

    Sunny

    • 49
    • 73

    Sunny

    • 50
    • 74

    Mostly Sunny

Today 7 Dec Tucson Metro Area including Tucson/Green Valley/Marana/Vail

Sunny. Highs 67 to 73. Southeast wind around 5 Mph becoming north in the afternoon.

Tonight 7 Dec Tucson Metro Area including Tucson/Green Valley/Marana/Vail

Clear. Lows 40 to 46. Northeast wind around 5 Mph becoming southeast around 10 Mph after midnight.

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Helvetia Temperature Statistics

December Temperature

Tucson, Tucson International Airport (21.1 miles)

  • Lowest 4 December, 2025

    37 °F

  • Average December

    53 °F

  • Highest 2 December, 2025

    68 °F

Climate (2020–Present)

Tucson, Tucson International Airport (21.1 miles)

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  • Average Low 2020–2025

    58.8 °F

  • Average 2020–2025

    72 °F

  • Average High 2020–2025

    85.8 °F
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