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.
Key West, United States — weather in May, water temperature
Weather in resort cities around the world, data for the past 5 years. Information includes daytime and nighttime temperatures, water temperature, rainfall, and day length. Convenient graphics and weather comparison in different resorts around the world.
Key West — weather by month, water temperature
Key West — weather in May, water temperature
Air temperature
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
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
Sunny days — 16
Rainy days — 11
Gloomy days — 5
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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