Rio Rico Southwest Weather Forecast

    • 44
    • 81

    Sunny

    • 41
    • 78

    Sunny

    • 42
    • 79

    Sunny

    • 45
    • 81

    Sunny

    • 45
    • 84

    Sunny

    • 44
    • 81

    Sunny

    • 43
    • 80

    Mostly Sunny

Today 15 Dec Upper Santa Cruz River and Altar Valleys including Nogales

Sunny. Highs 77 to 82.

Tonight 15 Dec Upper Santa Cruz River and Altar Valleys including Nogales

Clear. Lows 43 to 51.

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Rio Rico Southwest Temperature Statistics

December Temperature

Nogales, Nogales International Airport (9.3 miles)

  • Lowest 6 December, 2025

    34 °F

  • Average December

    53.4 °F

  • Highest 11 December, 2025

    79 °F

Climate (2020–Present)

Nogales, Nogales International Airport (9.3 miles)

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  • Average Low 2020–2025

    50.1 °F

  • Average 2020–2025

    65.6 °F

  • Average High 2020–2025

    81.6 °F
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