Summerlin Weather Forecast

    • 49
    • 67

    Sunny

    • 52
    • 68

    Sunny

    • 54
    • 72

    Mostly Sunny

    • 54
    • 73

    Sunny

    • 52
    • 73

    Mostly Sunny

    • 50
    • 70

    Mostly Sunny

Today 8 Dec Las Vegas Valley

Sunny. Highs 63 to 68. North Winds up to 10 Mph.

Tonight 8 Dec Las Vegas Valley

Clear. Lows 42 to 47. Northwest Winds up to 10 Mph.

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Summerlin Temperature Statistics

December Temperature

Las Vegas, North Las Vegas Airport (5.6 miles)

  • Lowest 2 December, 2025

    37.9 °F

  • Average December

    48.8 °F

  • Highest 5 December, 2025

    60.1 °F

Climate (2020–Present)

Las Vegas, North Las Vegas Airport (5.6 miles)

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  • Average Low 2020–2025

    60.8 °F

  • Average 2020–2025

    71.6 °F

  • Average High 2020–2025

    82.3 °F
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