Key West - Recent May Temperatures and Rainfall





The numbers here describe what the May weather in Key West, Florida was like for every year since 2010. A series of tables gives May data by year for temperature and precipitation.

They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius. That's followed by how many hot days occurred each May. Then there's information on how much rain actually landed this month during recent years, as well as how often Key West had wet weather.

The climate data come from weather measurements made at the Key West International Airport.

Temperature Weather iconTemperature

May temperature averages by year in Key West
High °F Low °F Year High °C Low °C
85 77 2021 30 25
85 76 2020 30 25
87 78 2019 30 26
83 75 2018 28 24
86 77 2017 30 25
85 75 2016 29 24
86 77 2015 30 25
86 78 2014 30 25
85 76 2013 29 25
84 77 2012 29 25
86 78 2011 30 25
86 78 2010 30 26
Number of days in May when the temperature in Key West rose to at least 70 or 90 degrees Fahrenheit
Year 70 °F
21 °C
90 °F
32 °C
2021 31 1
2020 31 1
2019 31 1
2018 31 0
2017 31 2
2016 31 0
2015 31 0
2014 31 0
2013 31 0
2012 31 0
2011 31 0
2010 31 0

Rainy Weather iconRain

This table gives the total precipitation that fell on Key West during May in each year from 2010. The number of days with precipitation counts the days when rainfall amounted to 0.01 inches (0.3 millimeters) or more.

Total rainfall for May in Key West
Days Year Inches Milli­metres
7 2021 3.1 78
10 2020 4.2 106
7 2019 3.5 89
21 2018 14.2 360
7 2017 1.2 30
9 2016 2.9 73
7 2015 1.1 29
4 2014 0.9 23
9 2013 8.8 225
10 2012 4.8 122
3 2011 0.6 15
6 2010 0.5 12
Reference

Jay Lawrimore. 2016. Global Summary of the Month, Version 1.0. NOAA National Centers for Environmental Information. 

Key West - Recent Years
Key West - Extremes
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