Key West - Recent August Temperatures and Rainfall





The numbers here describe what the August weather in Key West, Florida was like for every year since 2010. A series of tables gives August 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 really hot days occurred each August. 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

August temperature averages by year in Key West
High °F Low °F Year High °C Low °C
89 81 2021 32 27
91 83 2020 33 28
91 82 2019 33 28
91 81 2018 33 27
90 82 2017 32 28
90 80 2016 32 26
90 81 2015 32 27
91 82 2014 33 28
88 79 2013 31 26
87 79 2012 31 26
90 81 2011 32 27
90 81 2010 32 27
Number of days in August 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 9
2020 31 28
2019 31 21
2018 31 25
2017 31 18
2016 31 17
2015 31 25
2014 31 24
2013 31 2
2012 31 4
2011 31 22
2010 31 21

Rainy Weather iconRain

This table gives the total precipitation that fell on Key West during August 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 August in Key West
Days Year Inches Milli­metres
15 2021 4.2 105
12 2020 2.6 66
14 2019 4.4 110
13 2018 1.9 48
14 2017 2.2 57
16 2016 8.8 224
16 2015 6.8 172
11 2014 4.1 103
13 2013 4.4 111
15 2012 3.3 83
22 2011 11.2 285
13 2010 5.0 127
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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