Climate at a Glance

Divisional 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 2020. For more information, please see Climatological Rankings.


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, June 1999

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
June 1999
1-Month
74.4°F
(23.6°C)
73.9°F
(23.3°C)
0.5°F
(0.3°C)
70th Coolest Coolest since: 1997 1903
57th Warmest Warmest since: 1998 1952
Ties: 1939, 1957, 1973, 1977
May–Jun 1999
2-Month
70.0°F
(21.1°C)
69.4°F
(20.8°C)
0.6°F
(0.3°C)
75th Coolest Coolest since: 1997 1907
52nd Warmest Warmest since: 1998 2018
Ties: 1937, 1957
Apr–Jun 1999
3-Month
66.3°F
(19.1°C)
64.8°F
(18.2°C)
1.5°F
(0.9°C)
94th Coolest Coolest since: 1997 1907
33rd Warmest Warmest since: 1998 2010
Ties: 2014
Mar–Jun 1999
4-Month
60.2°F
(15.7°C)
59.8°F
(15.4°C)
0.4°F
(0.3°C)
72nd Coolest Coolest since: 1997 1960
55th Warmest Warmest since: 1998 2012
Ties: 1910, 1929, 1945, 1957, 1974
Feb–Jun 1999
5-Month
56.6°F
(13.7°C)
54.7°F
(12.6°C)
1.9°F
(1.1°C)
102nd Coolest Coolest since: 1997 1912, 1960, 1978
25th Warmest Warmest since: 1998 2012
Ties: 1922
Jan–Jun 1999
6-Month
52.6°F
(11.4°C)
50.7°F
(10.4°C)
1.9°F
(1.0°C)
103rd Coolest Coolest since: 1997 1912, 1978
24th Warmest Warmest since: 1998 2012
Ties: 1992
Dec 1998–Jun 1999
7-Month
50.5°F
(10.3°C)
48.4°F
(9.1°C)
2.1°F
(1.2°C)
106th Coolest Coolest since: 1997 1978
20th Warmest Warmest since: 1998 2012
Nov 1998–Jun 1999
8-Month
50.3°F
(10.2°C)
48.0°F
(8.9°C)
2.3°F
(1.3°C)
112th Coolest Coolest since: 1997 1912
14th Warmest Warmest since: 1998 2012
Oct 1998–Jun 1999
9-Month
51.4°F
(10.8°C)
49.1°F
(9.5°C)
2.3°F
(1.3°C)
116th Coolest Coolest since: 1998 1912, 1978
10th Warmest Warmest since: 1991 2012
Ties: 2002
Sep 1998–Jun 1999
10-Month
53.6°F
(12.0°C)
51.0°F
(10.6°C)
2.6°F
(1.4°C)
118th Coolest Coolest since: 1998 1978
8th Warmest Warmest since: 1991 2012
Ties: 1991
Aug 1998–Jun 1999
11-Month
55.7°F
(13.2°C)
53.3°F
(11.8°C)
2.4°F
(1.4°C)
120th Coolest Coolest since: 1998 1904, 1978
6th Warmest Warmest since: 1932 2012
Ties: 1921, 2000
Jul 1998–Jun 1999
12-Month
57.6°F
(14.2°C)
55.4°F
(13.0°C)
2.2°F
(1.2°C)
119th Coolest Coolest since: 1998 1904, 1912, 1918, 1978
7th Warmest Warmest since: 1932 2012
Jan 1998–Jun 1999
18-Month
56.5°F
(13.6°C)
53.9°F
(12.2°C)
2.6°F
(1.4°C)
122nd Coolest Coolest since: 1998 1979
4th Warmest Warmest since: 1932 2017
Ties: 2013
Jul 1997–Jun 1999
24-Month
57.2°F
(14.0°C)
55.4°F
(13.0°C)
1.8°F
(1.0°C)
116th Coolest Coolest since: 1998 1978, 1979
9th Warmest Warmest since: 1955 2017
Ties: 1955, 2006
Jul 1996–Jun 1999
36-Month
56.2°F
(13.4°C)
55.4°F
(13.0°C)
0.8°F
(0.4°C)
97th Coolest Coolest since: 1998 1979
27th Warmest Warmest since: 1992 2018
Ties: 1922, 1943, 1988, 2005
Jul 1995–Jun 1999
48-Month
55.8°F
(13.2°C)
55.3°F
(12.9°C)
0.5°F
(0.3°C)
80th Coolest Coolest since: 1998 1980
43rd Warmest Warmest since: 1993 2019
Ties: 1925, 1938, 1945, 1958, 1987, 1990, 2016
Jul 1994–Jun 1999
60-Month
55.8°F
(13.2°C)
55.3°F
(12.9°C)
0.5°F
(0.3°C)
77th Coolest Coolest since: 1998 1980
45th Warmest Warmest since: 1995 2020
Ties: 1924, 1976, 1988, 1993, 1995

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published October 2020, retrieved on October 25, 2020 from https://www.ncdc.noaa.gov/cag/