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 May 2022. For more information, please see Climatological Rankings.


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, May 1998

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 1998
1-Month
70.1°F
(21.2°C)
65.1°F
(18.4°C)
5.0°F
(2.8°C)
122nd Coolest Coolest since: 1997 1917, 1924
7th Warmest Warmest since: 1991 2018
Ties: 1902
Apr–May 1998
2-Month
62.8°F
(17.1°C)
60.2°F
(15.7°C)
2.6°F
(1.4°C)
113th Coolest Coolest since: 1997 1907
16th Warmest Warmest since: 1991 1896
Ties: 1959, 1962, 2015
Mar–May 1998
3-Month
56.7°F
(13.7°C)
55.0°F
(12.8°C)
1.7°F
(0.9°C)
98th Coolest Coolest since: 1997 1960
31st Warmest Warmest since: 1991 2012
Ties: 1922, 2021, 2022
Feb–May 1998
4-Month
53.2°F
(11.8°C)
49.9°F
(9.9°C)
3.3°F
(1.9°C)
119th Coolest Coolest since: 1997 1978
10th Warmest Warmest since: 1991 2012
Jan–May 1998
5-Month
50.0°F
(10.0°C)
46.1°F
(7.8°C)
3.9°F
(2.2°C)
123rd Coolest Coolest since: 1997 1978
6th Warmest Warmest since: 1938 2012
Dec 1997–May 1998
6-Month
47.6°F
(8.7°C)
44.2°F
(6.8°C)
3.4°F
(1.9°C)
121st Coolest Coolest since: 1997 1978
7th Warmest Warmest since: 1932 2012
Nov 1997–May 1998
7-Month
46.9°F
(8.3°C)
44.4°F
(6.9°C)
2.5°F
(1.4°C)
116th Coolest Coolest since: 1997 1978
12th Warmest Warmest since: 1991 2012
Ties: 1999
Oct 1997–May 1998
8-Month
48.2°F
(9.0°C)
46.0°F
(7.8°C)
2.2°F
(1.2°C)
115th Coolest Coolest since: 1997 1978
13th Warmest Warmest since: 1991 2012
Sep 1997–May 1998
9-Month
50.4°F
(10.2°C)
48.5°F
(9.2°C)
1.9°F
(1.0°C)
113th Coolest Coolest since: 1997 1978
15th Warmest Warmest since: 1991 2012
Ties: 1955, 2002, 2004
Aug 1997–May 1998
10-Month
52.8°F
(11.6°C)
51.3°F
(10.7°C)
1.5°F
(0.9°C)
107th Coolest Coolest since: 1997 1978
21st Warmest Warmest since: 1992 2012
Ties: 2005
Jul 1997–May 1998
11-Month
55.1°F
(12.8°C)
53.7°F
(12.1°C)
1.4°F
(0.7°C)
107th Coolest Coolest since: 1997 1918
21st Warmest Warmest since: 1992 2012
Ties: 1922, 2007
Jun 1997–May 1998
12-Month
56.5°F
(13.6°C)
55.4°F
(13.0°C)
1.1°F
(0.6°C)
99th Coolest Coolest since: 1997 1904, 1918
29th Warmest Warmest since: 1992 2012
Ties: 2004
Dec 1996–May 1998
18-Month
52.3°F
(11.3°C)
51.6°F
(10.9°C)
0.7°F
(0.4°C)
85th Coolest Coolest since: 1997 1979
42nd Warmest Warmest since: 1992 2017
Ties: 1914, 1938, 1972, 2004
Jun 1996–May 1998
24-Month
55.4°F
(13.0°C)
55.4°F
(13.0°C)
0.0°F
(0.0°C)
54th Coolest Coolest since: 1997 1905, 1978
73rd Warmest Warmest since: 1996 2017
Ties: 1920, 1931, 1967, 1976, 1982, 1996
Jun 1995–May 1998
36-Month
55.2°F
(12.9°C)
55.4°F
(13.0°C)
-0.2°F
(-0.1°C)
44th Coolest Coolest since: 1997 1979
82nd Warmest Warmest since: 1996 2018
Ties: 1959, 1965, 1972, 1983, 1994, 1996
Jun 1994–May 1998
48-Month
55.4°F
(13.0°C)
55.3°F
(12.9°C)
0.1°F
(0.1°C)
55th Coolest Coolest since: 1997 1980
70th Warmest Warmest since: 1995 2019
Ties: 1910, 1911, 1917
Jun 1993–May 1998
60-Month
55.3°F
(12.9°C)
55.4°F
(13.0°C)
-0.1°F
(-0.1°C)
51st Coolest Coolest since: 1997 1979, 1980, 1981
73rd Warmest Warmest since: 1996 2020
Ties: 1911, 1917, 1967, 1996

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published June 2022, retrieved on July 5, 2022 from https://www.ncei.noaa.gov/cag/