Key West, Florida Climate Guide to the Average Weather & Temperatures with Graphs Elucidating Sunshine and Rainfall Data & Information about Wind Speeds & Humidity:

• Key West, Florida, Usa latitude & longitude; 24°33'N 81°45'W.
• Altitude; 2 m (7 ft).
• The average temperature in Key West, Florida, Usa is 24.9 °C (77 °F).
• The range of average monthly temperatures is 7.5 °C.
• The warmest average max/ high temperature is 31 °C (88 °F) in July & August.
• The coolest average min/ low temperature is 19 °C (66 °F) in January, February & December.
• Key West, Florida receives on average 1016 mm (40.0 in) of precipitation annually or 85 mm (3.3 in) each month.
• On balance there are 111 days annually on which greater than 0.1 mm (0.004 in) of precipitation (rain, sleet, snow or hail) occurrs or 9.3 days on an average month.
• The month with the driest weather is January when on balance 38 mm (1.5 in) of rain, sleet, hail or snow falls across 6 days.
• The month with the wettest weather is September when on balance 170 mm (6.7 in) of rain, sleet, hail or snow falls across 16 days.
• Mean relative humidity for an average year is recorded as 68.8% and on a monthly basis it ranges from 66% in April to 71% in September & December.
• There is an average range of hours of sunshine in Key West, Florida of between 7.0 hours per day in December and 10.4 hours per day in April.
• On balance there are 3150 sunshine hours annually and approximately 8.6 sunlight hours for each day.

Key West, Florida Climate Graph (Metric | Imperial units)

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Key West, Florida Weather Averages

Key West, Florida Climograph/ Climate Chart (imperial)

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Key West, Florida Temperatures in Farenheit