St. Louis - Recent December Temperatures, Rain & Snow

The numbers here describe what the December weather in St. Louis, Missouri was like for every year since 2010. A series of tables gives December data by year for temperature, precipitation and snowfall.

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 and snow actually landed this month during recent years, as well as how often St. Louis had wet or snowy weather.

The climate data come from weather measurements made at St. Louis Lambert International Airport.

Temperature Weather iconTemperature

December temperature averages by year in St. Louis
High °F Low °F Year High °C Low °C
53 37 2023 12 3
44 28 2022 7 -2
58 36 2021 14 2
47 29 2020 9 -2
50 30 2019 10 -1
47 31 2018 9 -1
44 26 2017 6 -3
43 27 2016 6 -3
53 38 2015 12 3
45 33 2014 7 1
43 24 2013 6 -4
50 34 2012 10 1
49 33 2011 9 0
37 23 2010 3 -5
Number of days in December when the temperature in St. Louis dropped to 0 or 32 or below, or rose to at least 70 degrees Fahrenheit
0 °F
-18 °C
32 °F
0 °C
Year 70 °F
21 °C
0 7 2023 0
2 16 2022 0
0 11 2021 5
0 21 2020 0
0 20 2019 1
0 19 2018 0
0 20 2017 1
0 23 2016 0
0 10 2015 2
0 14 2014 0
0 23 2013 1
0 18 2012 3
0 19 2011 0
0 28 2010 0

Rainy Weather iconPrecipitation

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

Total precipitation for December in St. Louis
Days Year Inches Milli­metres
12 2023 2.3 58
9 2022 2.0 50
11 2021 2.8 70
6 2020 1.6 41
7 2019 1.9 47
11 2018 4.0 101
5 2017 0.9 22
8 2016 1.1 29
10 2015 11.8 298
9 2014 2.7 69
7 2013 2.0 50
12 2012 2.0 51
11 2011 3.1 79
8 2010 1.3 33

Snowy Weather iconSnow

Amount of snowfall in St. Louis for December and number of days when new snow totalled at least 1 inch (2.5 centimetres)
Days Year Inches Centi­metres
0 2023 0.5 1
1 2022 2.1 5
0 2021 0.0 0
0 2020 0.3 1
2 2019 5.1 13
1 2018 1.7 4
2 2017 3.6 9
0 2016 0.2 1
0 2015 0.0 0
0 2014 0.2 1
1 2013 5.6 14
1 2012 2.1 5
1 2011 2.0 5
2 2010 7.9 20
Reference

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

St. Louis - Recent Years
St. Louis - Extremes
Back to Top