Manassa Weather Forecast

    • 18
    • 61

    Mostly Sunny

    • 21
    • 59

    Partly Sunny

    • 30
    • 55

    Partly Sunny

    • 29
    • 54

    Chance Rain Showers

    • 20
    • 51

    Slight Chance Snow Showers

    • 16
    • 49

    Partly Sunny

Today 22 Dec Southern San Luis Valley

Sunny. Highs 54 to 61. Southwest Winds 10 to 15 Mph.

Tonight 22 Dec Southern San Luis Valley

Partly cloudy. Lows 18 to 33. Southwest Winds up to 10 Mph.

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Manassa Temperature Statistics

December Temperature

San Luis Valley Regional Airport (18.6 miles)

  • Lowest 5 December, 2025

    0 °F

  • Average December

    25.9 °F

  • Highest 19 December, 2025

    62.1 °F

Climate (2020–Present)

San Luis Valley Regional Airport (18.6 miles)

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  • Average Low 2020–2025

    26.6 °F

  • Average 2020–2025

    44.6 °F

  • Average High 2020–2025

    62.5 °F
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