Temperature for January 1981
In January 1981 the average high temperature in Key West, FL was 68.8°F, and this was 7.1°F cooler than the average of 75.8°F. The hottest day in January 1981 was 2 January when the temperature reached 79.0°F. Overnight the average temperature in January is 63.7°F and in 1981 the average overnight temperature was 10.2°F cooler at 53.5°F.