Julian Weather Forecast

    • 44
    • 64

    Mostly Sunny

    • 46
    • 62

    Mostly Sunny

    • 48
    • 64

    Mostly Sunny

    • 50
    • 69

    Mostly Sunny

    • 50
    • 72

    Sunny

    • 50
    • 72

    Sunny

    • 50
    • 70

    Mostly Sunny

Today 6 Dec San Diego County Mountains

Sunny. Highs 61 to 68. Areas of Winds west 10 to 15 Mph. Gusts to 25 Mph this afternoon.

Tonight 6 Dec San Diego County Mountains

Mostly clear. Lows 40 to 49. Areas of Winds east to 10 Mph. Becoming 10 to 15 Mph with Gusts to 30 Mph overnight.

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Julian Temperature Statistics

December Temperature

Ramona, Ramona Airport (18 miles)

  • Lowest 1 December, 2025

    44.1 °F

  • Average December

    56.2 °F

  • Highest 2 December, 2025

    69.1 °F

Climate (2020–Present)

Ramona, Ramona Airport (18 miles)

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  • Average Low 2020–2025

    51 °F

  • Average 2020–2025

    63.9 °F

  • Average High 2020–2025

    76.4 °F
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