Hartford - Recent December Temperatures, Rain & Snow





The numbers here describe what the December weather in Hartford, Connecticut 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 Hartford had wet or snowy weather.

The climate data come from weather measurements made at Bradley International Airport near Hartford.

Temperature Weather iconTemperature

December temperature averages by year in Hartford
High °F Low °F Year High °C Low °C
42 25 2018 5 -4
35 20 2017 2 -6
41 24 2016 5 -5
51 36 2015 11 2
42 29 2014 6 -1
39 22 2013 4 -5
43 28 2012 6 -2
47 28 2011 8 -2
36 21 2010 2 -6
Number of days in December when the temperature in Hartford 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 24 2018 0
3 29 2017 0
0 27 2016 0
0 12 2015 0
0 20 2014 0
1 26 2013 0
0 25 2012 0
0 23 2011 0
0 30 2010 0

Rainy Weather iconPrecipitation

This table gives the total precipitation that fell on Hartford 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 Hartford
Days Year Inches Milli­metres
13 2018 5.0 126
12 2017 2.4 61
15 2016 2.7 70
13 2015 4.3 108
14 2014 4.6 116
12 2013 3.9 100
19 2012 4.6 116
9 2011 5.0 127
5 2010 6.2 156

Snowy Weather iconSnow

Amount of snowfall in Hartford for December and number of days when new snow totalled at least 1 inch (2.5 centimetres)
Days Year Inches Centi­metres
0 2018 0.2 1
2 2017 9.8 25
2 2016 10.2 26
1 2015 1.0 3
0 2014 0.7 2
3 2013 12.8 33
2 2012 12.9 33
0 2011 0.0 0
2 2010 14.2 36
Reference

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

Hartford - Recent Years
Hartford - Extremes
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