JULY CHICAGO NORMALS FOR TEMPERATURE, PRECIPITATION, SNOWFALL (1981-2010)

JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC

Day of Month	High	Low	Average	HDD	CDD	Precipitation
1	84	63	73	0	8	0.10
2	84	63	73	0	9	0.10
3	84	63	74	0	9	0.10
4	84	63	74	0	9	0.10
5	84	63	74	0	9	0.10
6	84	63	74	0	9	0.11
7	84	64	74	0	9	0.12
8	84	64	74	0	9	0.11
9	85	64	74	0	9	0.12
10	85	64	74	0	9	0.11
11	85	64	74	0	9	0.12
12	85	64	74	0	9	0.12
13	85	64	74	0	9	0.11
14	85	64	74	0	9	0.12
15	85	64	74	0	9	0.11
16	84	64	74	0	9	0.12
17	84	64	74	0	9	0.11
18	84	64	74	0	9	0.12
19	84	64	74	0	9	0.11
20	84	64	74	0	9	0.12
21	84	64	74	0	9	0.13
22	84	64	74	0	9	0.13
23	84	64	74	0	9	0.13
24	84	64	74	0	9	0.13
25	84	64	74	0	9	0.14
26	84	64	74	0	9	0.13
27	84	64	74	0	9	0.13
28	84	64	74	0	9	0.13
29	84	64	74	0	9	0.13
30	83	64	74	0	9	0.14
31	83	64	74	0	9	0.15
MONTH	84.1	63.9	74.0	4	283	3.70

HDD = A Heating Degree Day represents the number of degree(s) that the mean temperature for the day is below 65 degrees during a day.

CDD = A Cooling Degree Day represents the number of degree(s) that the mean temperature for the day is above 65 degrees during a day.

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ... | NWS Chicago Office OBSERVED WEATHER REPORTS

Chicago Temperature and Precipitation Records for July

JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC

JULY RECORD HIGHS…LOWS…AND PRECIPITATION FOR CHICAGO

Day	Record High Temp/Year	Record Low Max/Year	Record High Min/Year	Record Low Temp/Year	Record Precipitation Daily/Year
1	103/1956	61/1924	78/1931	46/1982	1.56/1901
2	99/1970	62/1940	79/1911	49/2001	2.06/1982
3	102/1949	63/1909	78/1911	50/1980	1.57/1871
4	102/2012	62/1920	80/1921	50/1972	1.72/1995
5	103/2012	65/1967	82/1911	46/1972	1.48/1930
6	103/2012	63/1873	82/2012	46/1983	3.93/1943
7	102/1980	62/1904	78/1876	45/1983	2.23/1879
8	99/1955	60/1883	78/1881	48/1984	2.41/1951
9	98/1974	63/1895	79/1897	50/1895	2.43/1946
10	102/1936	62/1917	80/1936	50/1997	1.89/1876
11	97/1936	65/1873	80/1936	50/1996	6.16/1957
12	97/1995	65/1940	79/1921	53/1999	1.76/1981
13	104/1995	64/1926	81/1995	52/1975	1.49/1963
14	100/1995	64/1930	83/1995	52/1926	1.75/1913
15	102/1988	65/1903	82/1980	52/1967	1.88/1899
16	100/1887	62/1912	80/1878	49/1945	2.48/1950
17	100/1942	64/1924	80/1878	51/1985	3.04/1969
18	100/1946	62/1924	80/2011	53/1979	2.90/1993
19	101/1930	65/1912	78/2011	50/1873	1.96/1963
20	101/1980	65/1950	79/1977	53/1970	3.03/1978
21	103/1901	67/1996	80/1972	51/1970	1.78/1999
22	101/1991	68/1947	80/1972	49/1947	1.82/1962
23	99/1914	64/1992	78/1965	51/1947	6.86/2011
24	105/1934	66/1896	78/1940	53/2000	3.64/2010
25	101/1940	64/1920	77/1892	53/1911	1.22/1993
26	99/1955	66/1891	80/1916	53/1991	4.10/1878
27	100/1955	65/2013	82/1916	52/1985	4.71/1966
28	100/1983	66/1981	84/1916	51/1984	2.91/1906
29	99/1913	63/1892	85/1916	50/1984	1.58/1989
30	102/1916	62/1895	84/1916	50/1984	2.43/1979
31	99/2006	66/1912	79/1917	51/1984	1.29/1888

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