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Key West — weather in July, water temperature

30.7°C Daytime temperatures 28.1°C Night temperatures 13 Sunny days 13.3-13.6 Sun (hours) 8 Rainy days 127 mm Precipitation 30.1°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 35.5°C — 19 July 2017.
The maximum night temperature 31°C — 21 July 2017.
The minimum daily temperature 26.5°C — 6 July 2021.
The minimum night temperature 23.5°C — 17 July 2013.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The warmest water 31.8 °C — 9 July 2020. The coldest water 28.2 °C — 21 July 2013.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 146.1 mm — September. Minimum precipitation 14.3 mm — March.
Wind speed, km / h
Maximum wind speed 23.5 km / h — November. Minimum wind speed 15.9 km / h — September.
Number of hours of sunshine
The maximum number of hours of sunshine per day 8.8 h. — May. The minimum number of hours of sunshine per day 6.1 h. — December.
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