Rochester - Recent December Temperatures, Rain & Snow





The numbers here describe what the December weather in Rochester, New York 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 Rochester had wet or snowy weather.

The climate data come from weather measurements made at the Greater Rochester International Airport.

Temperature Weather iconTemperature

December temperature averages by year in Rochester
High °F Low °F Year High °C Low °C
39 27 2020 4 -3
39 24 2019 4 -4
40 28 2018 4 -2
32 21 2017 0 -6
37 26 2016 3 -4
49 35 2015 10 2
40 29 2014 4 -2
36 22 2013 2 -6
42 31 2012 5 -1
42 28 2011 6 -2
31 21 2010 0 -6
Number of days in December when the temperature in Rochester 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 26 2020 0
0 26 2019 0
0 25 2018 0
0 28 2017 0
0 27 2016 0
0 10 2015 0
0 23 2014 0
1 28 2013 0
0 22 2012 1
0 22 2011 0
0 29 2010 0

Rainy Weather iconPrecipitation

This table gives the total precipitation that fell on Rochester 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 Rochester
Days Year Inches Milli­metres
20 2020 2.1 54
18 2019 3.9 99
20 2018 2.6 66
21 2017 2.0 52
25 2016 2.9 74
15 2015 2.7 69
16 2014 2.3 59
23 2013 3.0 76
17 2012 3.6 91
16 2011 2.5 63
16 2010 2.6 67

Snowy Weather iconSnow

Amount of snowfall in Rochester for December and number of days when new snow totalled at least 1 inch (2.5 centimetres)
Days Year Inches Centi­metres
5 2020 10.5 27
11 2019 22.4 57
5 2018 11.5 29
9 2017 29.4 75
8 2016 29.3 74
1 2015 2.3 6
4 2014 16.6 42
7 2013 22.6 57
6 2012 22.6 57
2 2011 4.9 12
8 2010 46.6 118
Reference

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

Rochester - Recent Years
Rochester - Extremes
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