Temperature for April
In Key West, FL during April the average high temperature is 82.2°F. The hottest day on record was April 28, 1988 when the temperature hit 89.1°F.
Precipitation for April
In April the average monthly rainfall in Key West, FL is 3.70 inches with rain usually falling on between 5 and 6 days. 1998 was the driest April with only 0.00 inches of rain falling, and 1974 was the wettest April with 59.49 inches of rain. The wettest single day in April was 25 April 1974 when 18.07 inches of rain fell.
In April it usually snows on between 0 and 1 days. Tornados are reported on 0 and 1 days in April. There are thunderstorms on between 1 and 2 days in April.