Temperature for January 2009
In January 2009 the average high temperature in Key West, FL was 74.8°F, and this was 1.0°F cooler than the average of 75.8°F. The hottest day in January 2009 was 30 January when the temperature reached 81.0°F. Overnight the average temperature in January is 63.7°F and in 2009 the average overnight temperature was 1.4°F cooler at 62.4°F.