Key West Weather In January
The highest recorded temperature for Key West Florida for the past 58 years in January was 86 degrees Fahrenheit, measured on January 19, 1991, and the mean high is 75. The lowest documented temperature for Key West for the past 58 years in January was 41 measured on January 13, 1981, while the typical low recorded temperature is 65.
United States NWS historical Key West January Weather data records that on January 19, 1981, the high temperature did not exceed 54 degrees Fahrenheit, the lowest high measured in Key West in the past 58 years. The Weather Service additionally shows that on January 1, 2007, the low for the day did not drop below 77 degrees, the highest low temperature in Key West in the last 58 years.
Weather Service historical data shows that the average daily high temperature in Key West on January First is 76 degrees Fahrenheit and the average high on the last day of January is 76 degrees. The low measured temperature in Key West on January First averages 67 degrees and the low on the last day of the month averages 65 degrees.
Key West usually receives an average of 2.22 inches of precipitation during the month. The most precipitation recorded on a single day in January, according to January Key West Weather data, was 6.42 inches on January 23, 1983.