Alamosa National Wildlife Refuge Weather Forecast

    • 16
    • 45

    Mostly Sunny

    • 26
    • 59

    Mostly Sunny

    • 21
    • 56

    Mostly Sunny

    • 24
    • 56

    Mostly Sunny

    • 20
    • 58

    Partly Sunny

    • 20
    • 54

    Partly Sunny

Today 18 Dec Alamosa Vicinity/Central San Luis Valley Below 8500 Ft

Sunny. Highs in the lower to mid 40s. Northeast Winds 10 to 15 Mph.

Tonight 18 Dec Alamosa Vicinity/Central San Luis Valley Below 8500 Ft

Mostly clear. Lows 15 to 20, except 18 to 28 near the Mountains. South Winds around 10 Mph.

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Alamosa National Wildlife Refuge Temperature Statistics

December Temperature

San Luis Valley Regional Airport (6.2 miles)

  • Lowest 5 December, 2025

    0 °F

  • Average December

    24.6 °F

  • Highest 12 December, 2025

    54 °F

Climate (2020–Present)

San Luis Valley Regional Airport (6.2 miles)

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  • Average Low 2020–2025

    26.6 °F

  • Average 2020–2025

    44.6 °F

  • Average High 2020–2025

    62.4 °F
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