|
Chicago’s Temperature Records
Chicago’s 100's
Daily high temperatures of 100 degrees or greater recorded in Chicago-from earliest to most recent.
|
Date
|
Temperature
|
|
July 16, 1887
|
100
|
|
July 17, 1887
|
100
|
|
July 10, 1901
|
102
|
|
July 21, 1901
|
103
|
|
*July 3, 1911
|
100
|
|
*July 4, 1911
|
102
|
|
*July 5, 1911
|
102
|
|
July 27, 1916
|
100
|
|
July 30, 1916
|
102
|
|
August 5, 1918
|
102
|
|
August 6, 1918
|
101
|
|
August 12, 1918
|
101
|
|
July 19, 1930
|
101
|
|
June 7, 1933
|
100
|
|
June 27, 1933
|
100
|
|
June 1, 1934
|
102
|
|
July 22, 1934
|
101
|
|
July 24, 1934
|
105
|
|
August 8, 1934
|
100
|
|
July 10, 1936
|
102
|
|
September 7, 1939
|
100
|
|
July 24, 1940
|
101
|
|
July 25, 1940
|
101
|
|
July 17, 1942
|
100
|
|
June 27, 1944
|
100
|
|
July 18, 1946
|
100
|
|
*August 4, 1947
|
100
|
|
*August 5, 1947
|
100
|
|
*August 6, 1947
|
101
|
|
August 24, 1947
|
100
|
|
July 3, 1949
|
102
|
|
June 28, 1952
|
101
|
|
June 19, 1953
|
102
|
|
June 20, 1953
|
104
|
|
September 1, 1953
|
101
|
|
September 2, 1953
|
101
|
|
June 25, 1954
|
100
|
|
July 27, 1955
|
100
|
|
July 1, 1956
|
103
|
|
September 7, 1960
|
100
|
|
June 27, 1971
|
101
|
|
June 28, 1971
|
101
|
|
July 10, 1976
|
100
|
|
July 7, 1980
|
102
|
|
July 20, 1980
|
101
|
|
July 22, 1983
|
100
|
|
July 28, 1983
|
100
|
|
**June 20, 1988
|
104
|
|
**June 21, 1988
|
101
|
|
**June 25, 1988
|
103
|
|
**July 14, 1988
|
100
|
|
**July 15, 1988
|
102
|
|
**August 1, 1988
|
100
|
|
**August 2, 1988
|
100
|
|
July 10, 1989
|
101
|
|
July 22, 1991
|
101
|
|
August 2, 1991
|
101
|
|
July 13, 1995
|
104
|
|
July 14, 1995
|
100
|
|
July 30, 1999
|
101
|
|
July 24, 2005
|
102
|
* Greatest number of consecutive 100 degree days (3)
**Greatest number of 100 degree days in one year (7)
Number of Days of 100 degrees or More by Decade
|
1872-1879
|
0
|
|
1880-1889
|
2
|
|
1890-1899
|
0
|
|
1900-1909
|
2
|
|
1910-1919
|
8
|
|
1920-1929
|
0
|
|
1930-1939
|
9
|
|
1940-1949
|
10
|
|
1950-1959
|
8
|
|
1960-1969
|
1
|
|
1970-1979
|
3
|
|
1980-1989
|
12
|
|
1990-1999
|
5
|
|
2000-2008
|
1
|
Greatest Consecutive Number of Days in Each
Year with Maximum Temperature 90 Degrees or Higher
|
1871…0
|
1872…4
|
1873…2
|
1874...3
|
1875…0
|
1876…4
|
|
1877…1
|
1878…2
|
1879…3
|
1880…4
|
1881…3
|
1882…1
|
|
1883…3
|
1884…1
|
1885…2
|
1886…1
|
1887…3
|
1888…2
|
|
1889…2
|
1890…3
|
1891…3
|
1892…5
|
1893…3
|
1894…3
|
|
1895…4
|
1896…4
|
1897…3
|
1898…5
|
1899…1
|
1900…8
|
|
1901…2
|
1902…1
|
1903…5
|
1904…3
|
1905…3
|
1906…3
|
|
1907…1
|
1908…3
|
1909…2
|
1910…3
|
1911…6
|
1912…2
|
|
1913…3
|
1914…3
|
1915…1
|
1916…5
|
1917…4
|
1918…4
|
|
1919…3
|
1920…5
|
1921…5
|
1922…4
|
1923…8
|
1924…1
|
|
1925…3
|
1926…3
|
1927…4
|
1928…2
|
1929…2
|
1930…5
|
|
1931…6
|
1932…5
|
1933…3
|
1934…8
|
1935…2
|
1936…5
|
|
1937…2
|
1938…2
|
1939…4
|
1940…7
|
1941…3
|
1942…3
|
|
1943…4
|
1944…7
|
1945…3
|
1946…3
|
1947…8
|
1948…8
|
|
1949…6
|
1950…2
|
1951…2
|
1952…5
|
1953…11
|
1954…11
|
|
1955…11
|
1956…5
|
1957…3
|
1958…2
|
1959…11
|
1960…5
|
|
1961…3
|
1962…6
|
1963…3
|
1964…7
|
1965…2
|
1966…4
|
|
1967…2
|
1968…5
|
1969…5
|
1970…7
|
1971…4
|
1972…4
|
|
1973…10
|
1974…3
|
1975…4
|
1976…3
|
1977…9
|
1978…6
|
|
1979…1
|
1980…9
|
1981…2
|
1982…2
|
1983…9
|
1984…4
|
|
1985…4
|
1986…5
|
1987…10
|
1988…9
|
1989…2
|
1990…2
|
|
1991…5
|
1992…2
|
1993…3
|
1994…6
|
1995…5
|
1996…3
|
|
1997…5
|
1998…3
|
1999…5
|
2000…3
|
2001…5
|
2002…5
|
|
2003…2
|
2004…1
|
2005…8
|
2006…6
|
2007…4
|
2008...3
|
Greatest Consecutive Number of Days with
Maximum Temperature 90 Degrees or Higher
|
11 days:
|
10 days:
|
|
August 24-September 3, 1953
|
August 25-September 3, 1973
|
|
June 11-21, 1954
|
July 17-26, 1987
|
|
July 26-August 5, 1955
|
|
|
August 19-29, 1959
|
|
Greatest Number of Days with Maximum
Temperature 90 Degrees or Higher in any Year*
|
1) 47 (1988)
|
6) 35 (1964 and 1971)
|
|
2) 46 (1955)
|
7) 34 (1944)
|
|
3) 39 (1959)
|
8) 33 (1977 and 1987)
|
|
4) 38 (1952)
|
9) 32 (1934)
|
|
5) 36 (1954)
|
|
*The normal amount of days where the maximum temperature reaches at least 90 degrees:
O’Hare…18
Midway…21
Northerly Island…10
Greatest Number of Days with Maximum
Temperature 90 Degrees or Higher by Month
| 2 (April 1930) |
18 (August 1947) |
| 10 (May 1977) |
8 (September 1959 and 1971) |
| 16 (June 1954) |
2 (October 1971) |
| 19 (July 1955 and 1987) |
|
Least Number of Days with Maximum
Temperature 90 Degrees or Higher in any Year
| 0 (1871 and 1875) |
3 (2004 and 1902) |
| 1 (1882 and 1915) |
4 (1904, 1907, 1917, 1967, and 2000) |
| 2 (1889 and 1979) |
5 (1909) |
Lowest Temperatures Recorded
in Chicago (-16 Degrees and Lower)
|
-16
|
January 2, 1879
|
-19
|
January 16, 1977
|
|
|
January 15, 1893
|
|
January 14, 1979
|
|
|
January 26, 1897
|
|
January 9, 1982
|
|
|
January 7, 1912
|
|
January 19, 1994
|
|
|
January 18, 1930
|
|
|
|
|
January 29, 1966
|
-20
|
January 9, 1875
|
|
|
January 16, 1994
|
|
January 25, 1879
|
|
|
|
|
January 20, 1984
|
|
-17
|
February 8, 1899
|
|
|
|
|
February 12, 1899
|
-21
|
December 22, 1872
|
|
|
January 22, 1936
|
|
February 9, 1899
|
|
|
February 5, 1979
|
|
December 23, 1983
|
|
|
December 25, 1983
|
|
January 18, 1994
|
|
|
January 15, 1994
|
|
|
|
|
|
-22
|
January 21, 1984
|
|
-18
|
December 23, 1872
|
|
|
|
|
February 23, 1873
|
-23
|
December 24, 1872
|
|
|
January 3, 1876
|
|
January 17, 1982
|
|
|
January 5, 1884
|
|
|
|
|
February 10, 1899
|
-25
|
January 16, 1982
|
|
|
February 13, 1905
|
|
December 24, 1983
|
|
|
January 23, 1963
|
|
|
|
|
December 22, 1983
|
-26
|
January 10, 1982
|
-27 January 20, 1985* (wind chill reached –60 with sustained winds around 25 mph)
Lowest Daily Mean Temperatures Recorded
in Chicago (-10 Degrees and Lower)
| -10 |
January 4, 1884 |
-13 |
January 16, 1977 |
| |
January 15, 1893 |
|
|
| |
January 26, 1897 |
-14 |
February 9, 1899 |
| |
February 10, 1899 |
|
December 23, 1983 |
| |
January 20, 1984 |
|
|
| |
|
-15 |
January 25, 1879 |
| -11 |
January 5, 1885 |
|
January 10, 1982 |
| |
February 8, 1888 |
|
|
| |
February 13, 1905 |
-16 |
January 20, 1985 |
| |
January 23, 1963 |
|
January 18, 1994 |
| |
December 25, 1983 |
|
|
| |
January 15, 1994 |
-18 |
December 24, 1983 |
| |
February 2, 1996 |
|
|
| |
|
|
|
| -12 |
February 9, 1933 |
|
|
| |
February 3, 1996 |
|
|
Greatest Consecutive Number of Days in Each
Year with Minimum Temperature Zero Degrees or Lower
|
1872…4
|
1873…5
|
1874....2
|
1875…8
|
1876…3
|
1877…2
|
|
1878…2
|
1879…5
|
1880…5
|
1881…1
|
1882…2
|
1883…6
|
|
1884…5
|
1885…6
|
1886…3
|
1887…3
|
1888…6
|
1889…3
|
|
1890…2
|
1891…2
|
1892…3
|
1893…5
|
1894…2
|
1895…4
|
|
1896…3
|
1897…3
|
1898…3
|
1899…7
|
1900…5
|
1901…4
|
|
1902…4
|
1903…4
|
1904…3
|
1905…5
|
1906…0
|
1907…3
|
|
1908…1
|
1909…2
|
1910…2
|
1911…1
|
1912…10
|
1913…1
|
|
1914…2
|
1915…3
|
1916…3
|
1917…5
|
1918…3
|
1919…3
|
|
1920…2
|
1921…0
|
1922…2
|
1923…2
|
1924…3
|
1925…2
|
|
1926…2
|
1927…3
|
1928…3
|
1929…3
|
1930…3
|
1931…0
|
|
1932…2
|
1933…3
|
1934…3
|
1935…4
|
1936…7
|
1937…0
|
|
1938…1
|
1939…0
|
1940…3
|
1941…2
|
1942…7
|
1943…2
|
|
1944…2
|
1945…6
|
1946…2
|
1947…2
|
1948…3
|
1949…2
|
|
1950…2
|
1951…3
|
1952…1
|
1953…1
|
1954…1
|
1955…4
|
|
1956…0
|
1957…3
|
1958…3
|
1959…2
|
1960…3
|
1961…2
|
|
1962…4
|
1963…9
|
1964…0
|
1965…8
|
1966…4
|
1967…2
|
|
1968…6
|
1969…1
|
1970…5
|
1971…4
|
1972…3
|
1973…1
|
|
1974…2
|
1975…2
|
1976…3
|
1977…5
|
1978…4
|
1979…7
|
|
1980…2
|
1981…3
|
1982…6
|
1983…5
|
1984…4
|
1985…5
|
|
1986…4
|
1987…3
|
1988…7
|
1989…5
|
1990…2
|
1991…1
|
|
1992…2
|
1993…2
|
1994…8
|
1995…2
|
1996…6
|
1997…4
|
|
1998…1
|
1999…3
|
2000…6
|
2001…1
|
2002…2
|
2003…1
|
|
2004…3
|
2005…1
|
2006…1
|
2007…6
|
|
|
Greatest Consecutive Number of Days
with Minimum Temperature Zero or Lower
| 10 days: |
9 days: |
| January 4-January 13, 1912 |
December 13-21, 1963 |
Greatest Number of Days in a Month
with a Minimum of Zero or Less
| 17 |
January, 1977 |
13 |
January, 1887 |
| |
|
|
January, 1888 |
| 15 |
January, 1963 |
|
January, 1912 |
| |
|
|
February, 1936 |
| 14 |
February, 1875 |
|
January, 1982 |
| |
January, 1979 |
|
|
| |
|
12 |
January, 1885 |
Greatest Number of Days During
Winter with Temperatures Below Zero
|
1884-85…25
|
|
1935-36…24
|
|
1962-63…24
|
|
1981-82…22
|
|
1874-75…21
|
|
1978-79…21
|
|
1872-73…19
|
Winters without any Zero or Lower Temperature*
Lowest Temperature that winter in parentheses
|
1881-82 (1)
|
1938-39 (2)
|
|
1905-06 (6)
|
1955-56 (2)
|
|
1930-31 (6)
|
1959-60 (6)
|
|
1931-32 (1)
|
1982-83 (3)
|
|
1936-37 (1)
|
|
*(Normally there are 13 days of sub-zero low temperatures)
Years without any Zero or Lower Temperature
Lowest Temperature that year in parentheses
|
1906 (6)
|
1939 (3)
|
|
1921 (8)
|
1956 (2)
|
|
1931 (6)
|
1964 (2)
|
|
1937 (1)
|
|
Longest Continuous Period Below Freezing
|
43 days
|
December 28, 1976-February 8, 1977
|
|
|
|
|
33 days
|
January 15, 1985-February 16, 1985
|
|
|
|
|
29 days
|
December 18, 1878-January 15, 1879
|
|
|
January 22, 1895-February 19, 1895
|
|
|
|
|
28 days
|
January 22, 1905-February 18, 1905
|
|
|
December 28, 1917-January 24, 1918
|
Longest Consecutive Number of Hours Below Zero
|
100 hours
|
December 22nd -December 25, 1983
|
First Freeze of the Season
| Average Date: |
October 15th |
| Earliest Date: |
September 22, 1995 (32) |
| Latest Date: |
November 24, 1931 (30) |
Last Spring Freeze of the Season
| Average Date: |
April 23rd |
| Earliest Date: |
March 19, 1925 (28) |
| Latest Date: |
May 25, 1992 (32) |
First Killing Frost (28 Degrees or Lower)
| Average Date: |
October 27th |
| Earliest Date: |
October 2, 1974 (28) |
| Latest Date: |
December 3, 1899 (27) |
Largest Temperature Change from One Day to the Next
High and Low temperatures for the days in parentheses
| Drop of 61 Degrees: |
November 11-12, 1911 |
(74/32; 32/13) |
| |
|
|
| Drop of 58 Degrees: |
February 8-9, 1900 |
(62/10; 19/4) |
| |
December 13-14, 1901 |
(49/8; 8/-9) |
| |
|
|
| Drop of 57 Degrees: |
January 18-19, 1996 |
(61/13; 13/4) |
| |
|
|
| Rise of 58 Degrees: |
February 13-14, 1887 |
(30/0; 58/18) |
| |
March 10-11, 1972 |
(40/15; 73/30) |
| |
|
|
| Rise of 56 Degrees: |
April 9-10, 1977 |
(62/29; 85/48) |
| |
April 23-24, 1986 |
(63/25; 81/47) |
Biggest Range in a Single Calendar Day
High and Low temperature in parentheses
| 52 Degrees: |
February 8, 1900 |
(62/10) |
| |
|
|
| 51 Degrees: |
February 21, 1873 |
(40/-11) |
| |
January 13, 1888 |
(42/-9) |
| |
|
|
| 49 Degrees: |
March 29, 1895 |
(80/31) |
Greatest One Hour Drop in Temperature
|
30 Degrees March 26, 1908
|
|
71 degrees at 2 pm and dropped to 41 degrees at 3pm.
|
:
Other Significant Temperature Changes
| April 20, 1936-The temperature fell from 82 degrees to 55 in 10 minutes. Thereafter, the temperature fell to 32 degrees by 4am on the 21st. |
| January 30, 1938-The temperature fell from 45 degrees at 7am to zero 24 hours later. |
| May 9, 1963-Grant Park, Lake Effect. 22 degree drop from 84 degrees to 62 in 150 seconds. |
|
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