Weather & Climate at Naval Air Station Key West

Key West, FL

Summary of the weather and climate in Key West, FL:

The average high is 83°F and the average low is 73.1°F.
The hottest month is August with a high of 89.8°F.
The coldest month is January with a low of 64°F.
Annual rainfall is 46.86 inches; the rainiest month is September (8.96 in).

Source: NOAA climate normals.

Temperatures through the year

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Bars span each month's average low to average high (60°F – 90°F scale).

Monthly averages

Month	High (°F)	Low (°F)	Rain (in)	Snow (in)
January	74.9	64	2.37	0
February	76.8	65.9	1.73	0
March	79	68.3	2	0
April	81.7	71.6	2.27	0
May	85.3	75.6	3.51	0
June	88.1	78.8	5.16	0
July	89.4	79.7	4.12	0
August	89.8	79.5	7.34	0
September	88.6	78.6	8.96	0
October	85.1	76.1	5.05	0
November	80.7	71.5	2.14	0
December	76.9	67	2.21	0