Only 1.14" of rain fell officially at O'Hare. That is below average by 2.56". And this is also the driest July we have seen since 1941! For more perspective, July is on average our 2nd wettest month in Chicago falling behind August.
July was also hotter than average.
Avg. High Temp: 85.1 ... 1.0 degree above normal
Avg. Low Temp:67.4 ... 3.5 degrees above normal
Avg. Monthly Temp: 76.3 ... 2.3 degrees above normal
Here's the list of the Top 7 Driest Julys on Record for Chicago.
1936 - .22"
1934 - .42"
1874 - .58"
1894 - .60"
1887 - 1.05"
1941 - 1.10"
2018 - 1.14"