Temperature for October
In Key West, FL during October the average high temperature is 85.2°F. The hottest day on record was October 3, 1989 when the temperature hit 91.0°F.

In Key West, FL during October the average high temperature is 85.2°F. The hottest day on record was October 3, 1989 when the temperature hit 91.0°F.
In October the average monthly rainfall in Key West, FL is 6.26 inches with rain usually falling on between 11 and 12 days. 1988 was the driest October with only 0.85 inches of rain falling, and 1974 was the wettest October with 48.60 inches of rain. The wettest single day in October was 26 October 1974 when 18.07 inches of rain fell.
Tornados are reported on 0 and 1 days in October. There are thunderstorms on between 3 and 4 days in October.