Key West Florida Climate Data

Monthly Average Climate Data for Key West Florida

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January18 °C23.7 °C43.43 mm
February18.9 °C24.7 °C52.32 mm
March20.2 °C25.8 °C38.86 mm
April22.4 °C28 °C57.4 mm
May24.3 °C29.7 °C78.49 mm
June25.9 °C31.3 °C119.38 mm
July26.5 °C32.3 °C105.16 mm
August26.6 °C32.2 °C139.45 mm
September25.9 °C31.4 °C183.9 mm
October24.6 °C29.6 °C166.37 mm
November21.8 °C26.7 °C62.23 mm
December19.8 °C24.9 °C51.56 mm
Annual22.9 °C28.4 °C1098.55 mm

Climate Data for Key West Florida

Average First Frost DateNo Frost
Average Last Frost Date
Average Days With FrostFrost Free
Plant Hardiness Zone - 2023Zone 11b : 7.2°C to 10°C
Plant Hardiness Zone - 2012Zone 11b : 7.2°C to 10°C
Current Drought ConditionsNormal
Köppen Climate ClassificationAw - Tropical Savanna (Wet and Dry Climate)
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