San Tan Valley Weather Forecast

    • 40
    • 68

    Mostly Sunny

    • 39
    • 66

    Mostly Sunny

    • 37
    • 66

    Mostly Sunny

    • 38
    • 64

    Sunny

    • 41
    • 67

    Sunny

    • 43
    • 70

    Sunny

    • 44
    • 73

    Mostly Sunny

Today 2 Dec Northwest Pinal County

Sunny. Highs 64 to 69. Northwest wind around 5 Mph.

Tonight 2 Dec Northwest Pinal County

Clear. Lows 34 to 44. Light wind in the evening becoming south around 5 Mph after midnight.

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San Tan Valley Temperature Statistics

December Temperature

Phoenix-Mesa Gateway Airport (10.6 miles)

  • Lowest

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  • Average December

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Climate (2020–Present)

Phoenix-Mesa Gateway Airport (10.6 miles)

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  • Average Low 2020–2025

    60.1 °F

  • Average 2020–2025

    70.3 °F

  • Average High 2020–2025

    85.4 °F
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