Pittsburgh - Recent May Temperatures and Rainfall





The numbers here describe what the May weather in Pittsburgh, Pennsylvania was like for every year since 2010. A series of tables gives May data by year for temperature and precipitation.

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 May. Then there's information on how much rain actually landed this month during recent years, as well as how often Pittsburgh had wet weather.

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

Temperature Weather iconTemperature

May temperature averages by year in Pittsburgh
High °F Low °F Year High °C Low °C
69 48 2021 21 9
68 48 2020 20 9
74 54 2019 23 12
79 59 2018 26 15
70 51 2017 21 11
71 52 2016 22 11
77 55 2015 25 13
72 52 2014 22 11
74 51 2013 23 11
78 56 2012 26 13
72 53 2011 22 12
75 53 2010 24 11
Number of days in May when the temperature in Pittsburgh dropped to 32 or below, or rose to at least 70 or 90 degrees Fahrenheit
32 °F
0 °C
Year 70 °F
21 °C
90 °F
32 °C
1 2021 15 0
3 2020 17 0
0 2019 23 0
0 2018 29 1
0 2017 17 0
0 2016 17 0
0 2015 25 0
0 2014 20 0
1 2013 23 0
0 2012 26 2
0 2011 18 2
1 2010 23 0

Rainy Weather iconRain

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

Total rainfall for May in Pittsburgh
Days Year Inches Milli­metres
9 2021 3.1 78
11 2020 2.2 56
20 2019 6.0 152
14 2018 2.8 72
18 2017 5.2 131
16 2016 3.6 92
14 2015 2.7 69
12 2014 4.3 110
10 2013 2.3 59
9 2012 4.7 119
17 2011 4.6 116
12 2010 5.2 132
Reference

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

Pittsburgh - Recent Years
Pittsburgh - Extremes
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