Temperature for October 1980
In October 1980 the average high temperature in Key West, FL was 86.4°F, and this was 1.2°F warmer than the average of 85.2°F. The hottest day in October 1980 was 29 October when the temperature reached 89.1°F. Overnight the average temperature in October is 75.4°F and in 1980 the average overnight temperature was 0.8°F warmer at 76.2°F.