This page contains a list of the average monthly high and low temperatures in Key West, Florida for the month of July each year between 1948 and 2023. It is based on NOAA data.
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What Was the Hottest July Ever in Key West?
2023 was the warmest July in the history of Key West, Florida. The average daily high temperature was 91.9 °F, and the average low was 83.5 °F.
What Was the Coldest July Ever in Key West?
2012 was the coolest July in the history of Key West, Florida. The average daily high temperature was 86.7 °F, and the average low was 78.3 °F.