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In Florida Keys during December average daily high temperatures decrease from 78°F to 75°F and it is overcast or mostly cloudy about 36% of the time.
Check accurate weather in December in Florida Keys. Expect Florida Keys December temperature around 25°C (78°F). Read clothing tips & recommended activities.
Get the monthly weather forecast for Keys, FL, including daily high/low, historical averages, to help you plan ahead.
At Florida Keys Marathon International Airport during December average daily high temperatures decrease from 79°F to 76°F and it is overcast or mostly cloudy about 35% of the time.
The cool season lasts for 3.0 months, from December 6 to March 5, with an average daily high temperature below 77°F. The coldest month of the year in Florida Keys is January, with an average low of 66°F and high of 74°F. The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands.
Currently: 79 °F. Sunny. (Weather station: Key West International Airport, USA). See more current weather. Averages are for Key West International Airport, which is 13 miles from Florida Keys. Based on weather reports collected during 1992–2021. Annual precip. Need some help?
December through April, referred to as the dry season, receives just shy of 25 percent of the annual rainfall, usually ahead of cold fronts. June through October is considered the wet season, receiving approximately 65 percent of the yearly total in showers and thunderstorms. May and November are typically seen as transition months between seasons.
