Key Biscayne Florida Climate Data

Monthly Average Climate Data for Key Biscayne Florida

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January62.3 °F74.8 °F2.21 in.
February64.1 °F76.1 °F2.16 in.
March66.6 °F77.7 °F2.39 in.
April70.7 °F80.6 °F3.14 in.
May74.5 °F83.6 °F5.42 in.
June77.3 °F86.6 °F8.23 in.
July78.8 °F88.2 °F5.85 in.
August78.9 °F88.5 °F7.33 in.
September77.9 °F87.2 °F8.31 in.
October75.2 °F84.4 °F6.86 in.
November69.7 °F79.9 °F3.33 in.
December65.8 °F76.8 °F2.33 in.
Annual71.8 °F82 °F57.56 in.

Climate Data for Key Biscayne Florida

Average First Frost DateNo Frost
Average Last Frost Date
Average Days With FrostFrost Free
Plant Hardiness Zone - 2023Zone 11a : 40°F to 35°F
Plant Hardiness Zone - 2012Zone 11a : 40°F to 35°F
Current Drought ConditionsNormal
Köppen Climate ClassificationAm - Tropical Monsoon
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