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


Illinois

Average Temperature Rankings, October 1987

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Coolest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
October 1987
1-Month
48.7°F
(9.3°C)
54.6°F
(12.6°C)
-5.9°F
(-3.3°C)
5th Coolest Coolest since: 1976 1925
123rd Warmest Warmest since: 1986 1963
Ties: 1988
Sep–Oct 1987
2-Month
57.6°F
(14.2°C)
60.4°F
(15.8°C)
-2.8°F
(-1.6°C)
9th Coolest Coolest since: 1976 1917
119th Warmest Warmest since: 1986 1897, 2016
Ties: 1966
Aug–Oct 1987
3-Month
63.2°F
(17.3°C)
64.8°F
(18.2°C)
-1.6°F
(-0.9°C)
17th Coolest Coolest since: 1981 1917
111th Warmest Warmest since: 1986 1947
Ties: 1904, 2006
Jul–Oct 1987
4-Month
66.7°F
(19.3°C)
67.4°F
(19.7°C)
-0.7°F
(-0.4°C)
38th Coolest Coolest since: 1982 1917
90th Warmest Warmest since: 1986 1936
Ties: 1962, 1975, 2006
Jun–Oct 1987
5-Month
68.3°F
(20.2°C)
68.2°F
(20.1°C)
0.1°F
(0.1°C)
71st Coolest Coolest since: 1985 1917
57th Warmest Warmest since: 1986 1936
Ties: 1932, 1952, 1970, 2020
May–Oct 1987
6-Month
68.3°F
(20.2°C)
67.2°F
(19.6°C)
1.1°F
(0.6°C)
97th Coolest Coolest since: 1986 1917
31st Warmest Warmest since: 1983 1936
Ties: 1988
Apr–Oct 1987
7-Month
66.1°F
(18.9°C)
64.9°F
(18.3°C)
1.2°F
(0.6°C)
99th Coolest Coolest since: 1985 1917
29th Warmest Warmest since: 1986 2010
Ties: 1930
Mar–Oct 1987
8-Month
63.4°F
(17.4°C)
61.8°F
(16.6°C)
1.6°F
(0.8°C)
109th Coolest Coolest since: 1985 1917
19th Warmest Warmest since: 1986 2012
Ties: 1922
Feb–Oct 1987
9-Month
60.3°F
(15.7°C)
58.2°F
(14.6°C)
2.1°F
(1.1°C)
117th Coolest Coolest since: 1986 1917
11th Warmest Warmest since: 1954 2012
Ties: 2000
Jan–Oct 1987
10-Month
57.0°F
(13.9°C)
55.0°F
(12.8°C)
2.0°F
(1.1°C)
116th Coolest Coolest since: 1986 1904
12th Warmest Warmest since: 1954 2012
Ties: 1933, 1953, 2000
Dec 1986–Oct 1987
11-Month
54.7°F
(12.6°C)
52.6°F
(11.4°C)
2.1°F
(1.2°C)
113th Coolest Coolest since: 1986 1904
14th Warmest Warmest since: 1954 2012
Nov 1986–Oct 1987
12-Month
53.3°F
(11.8°C)
51.7°F
(10.9°C)
1.6°F
(0.9°C)
107th Coolest Coolest since: 1986 1904
20th Warmest Warmest since: 1983 2012
Ties: 1914, 1934, 1938
May 1986–Oct 1987
18-Month
58.2°F
(14.6°C)
56.8°F
(13.8°C)
1.4°F
(0.8°C)
107th Coolest Coolest since: 1986 1904
20th Warmest Warmest since: 1955 2012
Ties: 1942, 1953, 1998
Nov 1985–Oct 1987
24-Month
52.7°F
(11.5°C)
51.6°F
(10.9°C)
1.1°F
(0.6°C)
100th Coolest Coolest since: 1986 1905
26th Warmest Warmest since: 1955 2017
Ties: 1914, 1942, 2002
Nov 1984–Oct 1987
36-Month
52.4°F
(11.3°C)
51.6°F
(10.9°C)
0.8°F
(0.4°C)
93rd Coolest Coolest since: 1986 1904, 1979
32nd Warmest Warmest since: 1956 2018
Ties: 1940, 2020
Nov 1983–Oct 1987
48-Month
52.0°F
(11.1°C)
51.6°F
(10.9°C)
0.4°F
(0.2°C)
76th Coolest Coolest since: 1986 1905
48th Warmest Warmest since: 1986 2019
Ties: 1986, 1994, 1998
Nov 1982–Oct 1987
60-Month
52.3°F
(11.3°C)
51.6°F
(10.9°C)
0.7°F
(0.4°C)
89th Coolest Coolest since: 1986 1905, 1906
34th Warmest Warmest since: 1957 2002, 2020
Ties: 1932, 1989, 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2022, retrieved on August 18, 2022 from https://www.ncei.noaa.gov/cag/