Weather By Day

May Weather In Key West  
May Key West Weather
Record High: 91°F
Normal High: 85°F
Normal Low: 76°F
Record Low: 64°F
Avg Monthly Rain: 3.48"
Rec 1 Day Rain: 7.2"

Key West Weather In May

The highest recorded temperature for Key West Florida for the past 58 years in May was 91 degrees Fahrenheit, measured on May 4, 1995, while the regular high temperature is 85. In the last 58 years the lowest measured May temperature in Key West was 64 most recently encountered on May 2, 1992, while the regular low temperature for a given day during the month is 76.

According to National Weather Service historical Key West May Weather data, on May 1, 1988, the high temperature did not exceed 74 degrees Fahrenheit, the lowest high measured in Key West in the past 58 years. The Weather Service additionally shows that on May 30, 2005, the low for the day did not drop below 82 degrees, the highest low temperature in Key West in the last 58 years.

Historical weather data accumulated by the National Weather Service shows that the average daily high temperature in Key West on May First is 83 degrees Fahrenheit and the average high on the last day of May is 87 degrees. The daily low temperature in Key West on May First averages 74 degrees Fahrenheit and the low on the last day of May averages 77 degrees.

Key West usually receives an average of 3.48 inches of precipitation during the month. May Key West Weather records indicate that on May 30, 1960 Key West received 7.2 inches of precipitation, the highest amount of rain recorded in a single day in May.