Big Pine Key Weather Forecast

    • 73
    • 83

    Partly Sunny

    • 74
    • 83

    Partly Sunny

    • 72
    • 83

    Chance Rain Showers

    • 67
    • 81

    Chance Rain Showers

    • 66
    • 77

    Mostly Cloudy

    • 67
    • 77

    Partly Sunny

Today 5 Dec Monroe Lower Keys

Mostly sunny. Highs in the lower 80s. East to southeast Winds 5 to 10 Mph.

Tonight 5 Dec Monroe Lower Keys

Partly cloudy. Lows in the mid 70s. Southeast Winds near 5 Mph.

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Big Pine Key Temperature Statistics

December Temperature

The Florida Keys - Marathon International Airport (19.3 miles)

  • Lowest 2 December, 2025

    75.9 °F

  • Average December

    79.2 °F

  • Highest 1 December, 2025

    82 °F

Climate (2020–Present)

The Florida Keys - Marathon International Airport (19.3 miles)

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  • Average Low 2020–2025

    75.3 °F

  • Average 2020–2025

    80 °F

  • Average High 2020–2025

    85.1 °F
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