Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of September 2021. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, September 1970

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
September 1970
1-Month
68.3°F
(20.2°C)
66.2°F
(19.0°C)
2.1°F
(1.2°C)
93rd Coolest Coolest since: 1969 1918
35th Warmest Warmest since: 1960 1925, 1933
Ties: 1900, 1955
Aug–Sep 1970
2-Month
70.8°F
(21.6°C)
69.8°F
(21.0°C)
1.0°F
(0.6°C)
87th Coolest Coolest since: 1969 1967
41st Warmest Warmest since: 1960 1936
Ties: 1948
Jul–Sep 1970
3-Month
72.2°F
(22.3°C)
71.7°F
(22.1°C)
0.5°F
(0.2°C)
75th Coolest Coolest since: 1969 1967
53rd Warmest Warmest since: 1960 1936
Ties: 1895, 1986, 2015
Jun–Sep 1970
4-Month
71.7°F
(22.1°C)
71.6°F
(22.0°C)
0.1°F
(0.1°C)
59th Coolest Coolest since: 1969 1915, 1924
69th Warmest Warmest since: 1964 1936
Ties: 1956, 1984, 2006
May–Sep 1970
5-Month
70.4°F
(21.3°C)
69.7°F
(20.9°C)
0.7°F
(0.4°C)
83rd Coolest Coolest since: 1969 1924
45th Warmest Warmest since: 1964 1936
Ties: 1932, 1999
Apr–Sep 1970
6-Month
67.6°F
(19.8°C)
66.7°F
(19.3°C)
0.9°F
(0.5°C)
83rd Coolest Coolest since: 1969 1907
45th Warmest Warmest since: 1964 2010
Ties: 1906, 1938, 1939
Mar–Sep 1970
7-Month
63.1°F
(17.3°C)
62.8°F
(17.1°C)
0.3°F
(0.2°C)
64th Coolest Coolest since: 1969 1924
64th Warmest Warmest since: 1964 2012
Feb–Sep 1970
8-Month
58.7°F
(14.8°C)
58.6°F
(14.8°C)
0.1°F
(0.0°C)
61st Coolest Coolest since: 1969 1904
67th Warmest Warmest since: 1964 2012
Ties: 1913, 1918, 1935
Jan–Sep 1970
9-Month
54.2°F
(12.3°C)
55.0°F
(12.8°C)
-0.8°F
(-0.5°C)
35th Coolest Coolest since: 1969 1904, 1912
93rd Warmest Warmest since: 1968 2012
Ties: 1926, 1993, 2003
Dec 1969–Sep 1970
10-Month
51.5°F
(10.8°C)
52.4°F
(11.3°C)
-0.9°F
(-0.5°C)
26th Coolest Coolest since: 1969 1904
101st Warmest Warmest since: 1969 2012
Ties: 1907, 1967, 1969
Nov 1969–Sep 1970
11-Month
50.3°F
(10.2°C)
51.4°F
(10.8°C)
-1.1°F
(-0.6°C)
24th Coolest Coolest since: 1963 1904
103rd Warmest Warmest since: 1969 2012
Ties: 1907
Oct 1969–Sep 1970
12-Month
50.5°F
(10.3°C)
51.6°F
(10.9°C)
-1.1°F
(-0.6°C)
21st Coolest Coolest since: 1960 1904
106th Warmest Warmest since: 1969 2012
Ties: 1907, 1915, 1940, 1997
Apr 1969–Sep 1970
18-Month
55.8°F
(13.2°C)
56.6°F
(13.7°C)
-0.8°F
(-0.5°C)
23rd Coolest Coolest since: 1968 1904, 1918
104th Warmest Warmest since: 1969 2012
Ties: 1910, 1927, 1958, 1978, 1994
Oct 1968–Sep 1970
24-Month
50.7°F
(10.4°C)
51.7°F
(10.9°C)
-1.0°F
(-0.5°C)
16th Coolest Coolest since: 1963 1979
110th Warmest Warmest since: 1969 2017
Ties: 1900, 1924, 1961, 1963, 1982
Oct 1967–Sep 1970
36-Month
50.8°F
(10.4°C)
51.6°F
(10.9°C)
-0.8°F
(-0.5°C)
14th Coolest Coolest since: 1963 1979
111th Warmest Warmest since: 1969 2018
Ties: 1920, 1960, 1963, 1971, 1981, 2015
Oct 1966–Sep 1970
48-Month
50.8°F
(10.4°C)
51.6°F
(10.9°C)
-0.8°F
(-0.5°C)
14th Coolest Coolest since: 1963 1905
110th Warmest Warmest since: 1969 2019
Oct 1965–Sep 1970
60-Month
50.9°F
(10.5°C)
51.6°F
(10.9°C)
-0.7°F
(-0.4°C)
13th Coolest Coolest since: 1963 1906
110th Warmest Warmest since: 1969 2020
Ties: 1903, 1962, 1963, 1971

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2021, retrieved on October 22, 2021 from https://www.ncdc.noaa.gov/cag/