Copper Basin Reservoir Weather Forecast

    • 53
    • 78

    Sunny

    • 53
    • 77

    Mostly Sunny

    • 54
    • 76

    Partly Sunny

    • 51
    • 77

    Partly Sunny

    • 49
    • 76

    Mostly Sunny

    • 50
    • 75

    Mostly Sunny

    • 51
    • 74

    Mostly Sunny

Today 11 Dec San Bernardino County-Upper Colorado River Valley

Sunny. Highs 76 to 79. Northwest Winds up to 10 Mph.

Tonight 11 Dec San Bernardino County-Upper Colorado River Valley

Clear. Lows 52 to 55. North Winds up to 10 Mph.

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Copper Basin Reservoir Temperature Statistics

December Temperature

Havasu City Airport (20.5 miles)

  • Lowest 5 December, 2025

    42.8 °F

  • Average December

    57.9 °F

  • Highest 8 December, 2025

    75.2 °F

Climate (2020–Present)

Havasu City Airport (20.5 miles)

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  • Average Low 2020–2025

    65.5 °F

  • Average 2020–2025

    76.6 °F

  • Average High 2020–2025

    87.2 °F
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