Philadelphia - Recent January Temperatures, Rain & Snow





The numbers here describe what the January weather in Philadelphia, Pennsylvania was like for every year since 2010. A series of tables gives January 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 January. Then there's information on how much rain and snow actually landed this month during recent years, as well as how often Philadelphia had wet or snowy weather.

The climate data come from weather measurements made at Philadelphia International Airport.

Temperature Weather iconTemperature

January temperature averages by year in Philadelphia
High °F Low °F Year High °C Low °C
41 24 2018 5 -4
44 33 2017 7 0
42 26 2016 6 -3
38 24 2015 3 -4
37 20 2014 3 -7
44 29 2013 6 -1
46 30 2012 8 -1
35 23 2011 2 -5
40 26 2010 5 -3
Number of days in January when the temperature in Philadelphia 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
0 15 2017 0
0 26 2016 0
0 27 2015 0
0 26 2014 0
0 20 2013 0
0 17 2012 0
0 29 2011 0
0 26 2010 0

Rainy Weather iconPrecipitation

This table gives the total precipitation that fell on Philadelphia during January 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 January in Philadelphia
Days Year Inches Milli­metres
8 2018 2.9 73
17 2017 2.9 74
6 2016 2.6 67
11 2015 4.5 115
13 2014 3.6 90
10 2013 3.3 85
11 2012 2.6 66
13 2011 3.4 86
7 2010 2.2 56

Snowy Weather iconSnow

Amount of snowfall in Philadelphia for January and number of days when new snow totalled at least 1 inch (2.5 centimetres)
Days Year Inches Centi­metres
1 2018 4.6 12
2 2017 5.7 14
2 2016 22.9 58
1 2015 4.3 11
5 2014 25.9 66
2 2013 3.9 10
1 2012 2.5 6
5 2011 25.2 64
2 2010 3.1 8
Reference

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

Philadelphia - Recent Years
Philadelphia - Extremes
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