Boston - Recent December Temperatures, Rain & Snow





The numbers here describe what the December weather in Boston, Massachusetts 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 days dropped below freezing each December. Then there's information on how much rain and snow actually landed this month during recent years, as well as how often Boston had wet or snowy weather.

The climate data come from weather measurements made at Boston's Logan International Airport.

Temperature Weather iconTemperature

December temperature averages by year in Boston
High °F Low °F Year High °C Low °C
37 25 2017 3 -4
42 29 2016 6 -2
52 39 2015 11 4
44 33 2014 7 0
40 27 2013 5 -3
44 33 2012 7 0
48 32 2011 9 0
39 27 2010 4 -3
Number of days in December when Boston's temperature dropped to 32 degrees Fahrenheit
Year 32 °F
0 °C
2017 22
2016 20
2015 6
2014 15
2013 21
2012 17
2011 17
2010 27

Rainy Weather iconPrecipitation

This table gives the total precipitation that fell on Boston 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 (0.254 millimeters) or more.

Total precipitation for December in Boston
Days Year Inches Milli­metres
10 2017 2.5 63
7 2016 3.3 83
10 2015 4.3 109
10 2014 6.6 167
8 2013 4.6 118
9 2012 5.9 151
5 2011 4.0 101
6 2010 3.6 92

Snowy Weather iconSnow

Amount of snowfall in Boston for December and number of days when new snow totalled at least 1 inch (2.5 centimetres)
Days Year Inches Centi­metres
2 2017 9.3 24
1 2016 5.9 15
0 2015 0.9 2
0 2014 0.3 1
3 2013 11.7 30
1 2012 3.4 9
0 2011 0.0 0
3 2010 22.0 56
Reference

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

Boston - Recent Years
Boston - Extremes
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