4th of July Weather for Northern Illinois:   Statistics for Chicago and Rockford

Chicago:
The following statistics comprises 142 years of data.  Data collection began at the University of Chicago, then at Midway, and currently at O'Hare which is now the official station for Chicago.

To see the daily climate data for Chicago for July 4th's from 1872-Present, click here.

High temperatures for July 4th for Chicago O'Hare
Frequency distribution of high temperatures for Chicago. This dataset shows that the most frequent range of high temperatures on the 4th of July is in between 80 and 89 degrees, which is the warmest of all the holidays. The normal high for the 4th is 84 degrees, which falls in the range of the most frequent highs. The record high is 102 degrees set in 2012 and also 1911. The coldest high temperature on the 4th is 62 degrees which occurred in 1920. In 2013, the high temperature was 83 degrees.

 Low temperatures for July 4th at O'Hare
Frequency distribution of low temperatures for Chicago. This dataset shows that the most frequent range of low temperatures on the 4th of July is in between 60 and 69 degrees, which is the warmest of all the holidays. The normal low for the 4th is 63 degrees, which falls in the range of the most frequent lows. The record low is 50 which occurred in 1972. The highest low temperature for the 4th was 80 degrees in 1921. in 2013, the low temperature was 56 degrees.

Precipitation for July 4th at O'Hare
Frequency distribution of precipitation for Chicago. This dataset shows that the most frequent amount of precipitation recorded on the 4th of July is 0.00”, which accounts for 48% of the days in the dataset. The next most frequent range is the 0.02” to 0.25”, closely followed by a trace of precipitation. The record amount of rainfall on the 4th of July occurred in 1995 when 1.72” of rain fell. There have been 4 instances dating back to 1872 where over an inch of rain fell on the 4th of July. In 2013 no rain fell.

ADDITIONAL 4th OF JULY CLIMATE DATA      ( * MEANS LAST OCCURRENCE)

MAX TEMP
WARMEST

MIN TEMP
WARMEST
PCPN
WETTEST
102
2012 *
80
1921
1.72
1995
98
1949
79
2012 *
1.60
1883
96
1990 *
78
1911 *
1.38
1873
95
1921 *
77
1990 *
1.02
1888
94
2003 *
75
1993 *
0.91
1942
93
1999
74
1994 *
0.90
1958
92
1955
73
2003 *
0.85
1899
91
2010 *
72
1955
0.74
1973
90
2002 *
71
1975 *
0.60
1915
89
2011 *
70
2004
0.48
1880
 
MAX TEMP
COLDEST
MIN TEMP
COLDEST
PCPN
DRIEST
62
1920
50
1972
0.00
2013 *
63
1909 *
51
1996
T
2012 *
64
1967 *
52
2008 *
0.01
2004 * 
65
1890
53
1967
0.03
1909 *
66
1997 *
55
1942 *
0.05
1992 *
67
1961
56
2013 *
0.06
1959
68
1972 *
57
1992 *
0.07
1956
69
1956 *
58
1984 *
0.08
1997 *
70
1872
59
2009 *
0.09
1991 *
71
1970 *
60
1986 *
0.10
2005 *

Updated 7/2/2014


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.