Great Sand Dunes National Park Weather Forecast

    • 36
    • 60

    Breezy

    • 32
    • 56

    Chance Thunderstorms

    • 32
    • 51

    Chance Snow Showers

    • 36
    • 58

    Mostly Cloudy

    • 33
    • 59

    Partly Sunny

    • 37
    • 65

    Mostly Sunny

    • 38
    • 69

    Mostly Sunny

Today 19 May Alamosa Vicinity/Central San Luis Valley Below 8500 Ft

Mostly cloudy. Lows in the 30s. South Winds 10 to 15 Mph. Chance of precipitation 10 percent.

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Great Sand Dunes National Park Temperature Statistics

May Temperature

San Luis Valley Regional Airport (23 miles)

  • Lowest 3 May, 2019

    26.1 °F
  • Average May

    48.8 °F
  • Highest 16 May, 2019

    75 °F

Climate (2010–Present)

San Luis Valley Regional Airport (23 miles)

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  • Average Low 2010–Present

    26.7 °F
  • Average 2010–Present

    44.1 °F
  • Average High 2010–Present

    59.9 °F
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