Key West Weather In March
The hottest March day in Key West for the past 58 years was 88 degrees Fahrenheit, on March 25, 1994, while the standard high temperature is 79. The coldest day reported in Key West in March for the past 58 years was 47 registered on March 23, 1986, while the standard low daily temperature for the month is 69.
United States NWS historical Key West March Weather data records that on March 3, 1980, the high temperature did not exceed 57 degrees Fahrenheit, the lowest high measured in Key West in the past 58 years. Weather Service records additionally indicate that on March 4, 2003, the low for the day was not measured below 79 degrees, the highest low temperature recorded in Key West in the last 58 years.
According to the National Weather Service, the high temperature in Key West in March on the first day of the month averages 78 degrees and the high on the last day of the month averages 81 degrees. The low recorded temperature in Key West on March First averages 68 degrees Fahrenheit and the low temperature on the final day of March averages 72 degrees.
Key West receives an average of 1.86 inches of precipitation during March. March Key West Weather records show that on March 6, 1987 Key West received 5.26 inches of rain, the most rain measured in a single day in March.