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Key West — weather in May, water temperature

27.6°C Daytime temperatures 25.8°C Night temperatures 16 Sunny days 13.1-13.6 Sun (hours) 6 Rainy days 106.2 mm Precipitation 27.6°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 32°C — 21 May 2015.
The maximum night temperature 28.5°C — 30 May 2017.
The minimum daily temperature 0°C — 17 May 2020.
The minimum night temperature 20°C — 7 May 2016.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The warmest water 29.8 °C — 29 May 2022. The coldest water 25.5 °C — 27 May 2018.
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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