Key West - Recent December Temperatures and Rainfall





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

December temperature averages by year in Key West
High °F Low °F Year High °C Low °C
80 71 2021 27 22
75 65 2020 24 18
80 71 2019 27 22
80 71 2018 26 22
78 68 2017 26 20
82 73 2016 28 23
81 75 2015 27 24
77 68 2014 25 20
79 72 2013 26 22
78 69 2012 26 20
78 70 2011 26 21
68 58 2010 20 14
Number of days in December when the temperature in Key West dropped to 32 or below, or rose to at least 70 degrees Fahrenheit
32 °F
0 °C
Year 70 °F
21 °C
0 2021 31
0 2020 26
0 2019 31
0 2018 31
0 2017 28
0 2016 31
0 2015 31
0 2014 29
0 2013 31
0 2012 30
0 2011 30
0 2010 15

Rainy Weather iconRain

This table gives the total precipitation that fell on Key West during December 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 December in Key West
Days Year Inches Milli­metres
5 2021 1.0 26
5 2020 1.5 37
12 2019 7.7 196
3 2018 1.9 48
3 2017 1.3 33
7 2016 1.7 44
8 2015 4.6 116
5 2014 2.3 57
8 2013 1.1 28
6 2012 0.7 17
6 2011 0.4 10
5 2010 0.6 15
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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