Lignumvitae Key Botanical State Park Weather Forecast

    • 73
    • 77

    Partly Sunny

    • 73
    • 79

    Chance Rain Showers

    • 71
    • 78

    Mostly Cloudy

    • 74
    • 78

    Partly Sunny

    • 74
    • 79

    Mostly Cloudy

    • 72
    • 78

    Partly Sunny

Today 17 Dec Monroe Upper Keys

Mostly sunny. Highs in the upper 70s. East Winds 10 to 15 Mph.

Tonight 17 Dec Monroe Upper Keys

Partly cloudy with a slight chance of Showers. Lows in the lower 70s. East Winds 10 to 15 Mph. Chance of rain 10 percent.

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Lignumvitae Key Botanical State Park Temperature Statistics

December Temperature

The Florida Keys - Marathon International Airport (24.9 miles)

  • Lowest 11 December, 2025

    66.9 °F

  • Average December

    76.4 °F

  • Highest 1 December, 2025

    82 °F

Climate (2020–Present)

The Florida Keys - Marathon International Airport (24.9 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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