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Key West July Weather

Averages and records for weather in Key West, Florida in the month of July.

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
Daily chance of precipitation	37.5%

Key West July Weather Records 1948–2024
Highest temperature	96 °F	July 3, 2023
Lowest temperature	69 °F	July 17, 1952
Highest daily low	87 °F	July 18, 2023
Lowest daily high	81 °F	July 17, 2013
Hottest average high temperature	91.9 °F	2023
Coldest average high temperature	86.6 °F	1984
Most daily precipitation	4.3 inches	July 9, 2005
Most monthly precipitation	11.7 inches	1970

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	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	96	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	94	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	95	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

Weather Station Details

Years	Station	Coordinates
1948–2024	Key West International Airport	location