Key West July Weather

Typical Key West July Weather 1991–2020
Average daily high	89.7 °F
Average daily low	80.3 °F
Average monthly precipitation	3.6 inches

Key West July Weather Records 1948–2023
Highest temperature	95 °F	July 23, 1951
Lowest temperature	69 °F	July 17, 1952
Highest daily low	87 °F	July 26, 2007
Lowest daily high	81 °F	July 17, 2013
Hottest average temperature	2.0 °F above average	2018
Coldest average temperature	-2.4 °F below average	2012
Most daily precipitation	4.3 inches	July 9, 2005
Most monthly precipitation	11.7 inches	1970

Day	Average (°F)		Record (°F)
	High	Low	High	Low
July 1	89.1	79.8	93	72
July 2	89.2	79.8	92	73
July 3	89.2	79.8	93	72
July 4	89.3	79.9	93	70
July 5	89.3	79.9	93	72
July 6	89.3	80.0	93	72
July 7	89.4	80.0	92	71
July 8	89.4	80.0	93	72
July 9	89.4	80.0	94	72
July 10	89.5	80.1	94	71
July 11	89.5	80.1	94	72
July 12	89.6	80.1	93	72
July 13	89.6	80.1	94	70
July 14	89.6	80.2	94	71
July 15	89.6	80.2	94	72
July 16	89.7	80.2	94	72
July 17	89.7	80.3	93	69
July 18	89.7	80.3	93	71
July 19	89.7	80.3	94	75
July 20	89.7	80.3	93	70
July 21	89.7	80.3	93	71
July 22	89.8	80.3	94	71
July 23	89.8	80.3	95	72
July 24	89.8	80.3	93	73
July 25	89.9	80.3	94	70
July 26	89.9	80.3	94	73
July 27	89.9	80.3	93	75
July 28	89.9	80.4	94	74
July 29	90.0	80.4	93	73
July 30	90.0	80.4	93	74
July 31	90.1	80.4	94	71