Key West Weather

The tropical paradise of Key West offers a sunny climate with cool ocean breezes, characteristic of the conditions in South Florida, making it the ideal holiday destination.

Wet and hot season

The wet season runs from around June through to November, and July and August are the hottest months of the year. The average low and high temperatures in July are 81F and 90F, respectively. Prevailing easterly trade winds and sea breezes bring relief from the usual summertime heat. Rain and wet conditions rarely last long, although the latter part of this season also brings chances of hurricanes. Rainfall usually occurs in advance of cold fronts in a few heavy or light showers.

Winter

The winter months see a quite mild climate and lots of fine weather, with daytime temperatures typically rising above 75F. Wintertime also sees the driest months of the year, and the smallest amount of rain falls between February, March and April.

Average Temperature (°C)

30 22 15 8 0

Jan 21.0

Feb 21.3

Mar 23.2

Apr 25.0

May 27.0

Jun 28.3

Jul 29.1

Aug 29.0

Sep 28.5

Oct 26.6

Nov 24.2

Dec 21.9

Rainfall (mm)

170 128 85 42 0

Jan 53.6

Feb 39.7

Mar 42.5

Apr 49.8

May 85.0

Jun 122.1

Jul 91.9

Aug 127.2

Sep 163.5

Oct 116.7

Nov 64.1

Dec 52.0