Temperature for July
In Key West, FL during July the average high temperature is 89.6°F. The hottest day on record was July 24, 1977 when the temperature hit 98.1°F.
Precipitation for July
In July the average monthly rainfall in Key West, FL is 4.30 inches with rain usually falling on between 12 and 13 days. 1993 was the driest July with only 0.42 inches of rain falling, and 1979 was the wettest July with 13.73 inches of rain. The wettest single day in July was 2 July 1979 when 11.85 inches of rain fell.
In July it usually snows on between 0 and 1 days. Tornados are reported on 1 and 2 days in July. There are thunderstorms on between 10 and 11 days in July.