Chicago - Recent May Temperatures and Rainfall





The numbers here describe what the May weather in Chicago, Illinois 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 days occurred each May. Then there's information on how much rain actually landed this month during recent years, as well as how often Chicago had wet weather.

The climate data come from weather measurements made at Chicago's Midway Airport.

Temperature Weather iconTemperature

May temperature averages by year in Chicago
High °F Low °F Year High °C Low °C
69 50 2019 21 10
77 58 2018 25 14
68 50 2017 20 10
72 52 2016 22 11
73 54 2015 23 12
73 53 2014 23 12
73 52 2013 23 11
76 56 2012 24 13
69 50 2011 21 10
71 54 2010 22 12
Number of days in May when the temperature in Chicago rose to at least 70 or 90 degrees Fahrenheit
Year 70 °F
21 °C
90 °F
32 °C
2019 18 0
2018 21 4
2017 15 0
2016 16 1
2015 20 0
2014 19 2
2013 21 2
2012 20 5
2011 14 2
2010 18 2

Rainy Weather iconRain

This table gives the total precipitation that fell on Chicago 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 Chicago
Days Year Inches Milli­metres
22 2019 9.0 227
14 2018 5.3 133
15 2017 4.4 113
11 2016 5.9 151
17 2015 4.6 118
13 2014 6.1 154
13 2013 6.5 164
9 2012 4.3 110
12 2011 5.3 135
13 2010 6.8 173
Reference

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

Chicago - Recent Years
Chicago - Extremes
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