Santa Ynez Weather Forecast

    • 39
    • 70

    Sunny

    • 41
    • 71

    Sunny

    • 43
    • 73

    Partly Sunny

    • 45
    • 78

    Mostly Sunny

    • 47
    • 82

    Partly Sunny

    • 47
    • 82

    Mostly Sunny

Today 5 Dec Santa Ynez Valley

Sunny. Highs around 70.

Tonight 5 Dec Santa Ynez Valley

Clear. Lows in the 40s.

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Santa Ynez Temperature Statistics

December Temperature

Santa Ynez, Santa Ynez Airport (0 miles)

  • Lowest 2 December, 2025

    39.2 °F

  • Average December

    53.4 °F

  • Highest 1 December, 2025

    68 °F

Climate (2020–Present)

Santa Ynez, Santa Ynez Airport (0 miles)

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  • Average Low 2020–2025

    45.8 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    74.8 °F
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