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


Illinois

Average Temperature Rankings, April 1921

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
(1895-2020)
Warmest/Coolest
Since
Record
April 1921
1-Month
54.2°F
(12.3°C)
51.5°F
(10.8°C)
2.7°F
(1.5°C)
100th Coolest Coolest since: 1920 1907
27th Warmest Warmest since: 1915 2010
Ties: 1974
Mar–Apr 1921
2-Month
51.4°F
(10.8°C)
45.7°F
(7.6°C)
5.7°F
(3.2°C)
123rd Coolest Coolest since: 1920 1926
4th Warmest Warmest to Date 2012
Ties: 1945
Feb–Apr 1921
3-Month
45.9°F
(7.7°C)
40.2°F
(4.6°C)
5.7°F
(3.1°C)
123rd Coolest Coolest since: 1920 1978
4th Warmest Warmest to Date 2012
Ties: 1938
Jan–Apr 1921
4-Month
42.5°F
(5.8°C)
36.5°F
(2.5°C)
6.0°F
(3.3°C)
124th Coolest Coolest since: 1920 1912
3rd Warmest Warmest to Date 2012
Dec 1920–Apr 1921
5-Month
40.3°F
(4.6°C)
35.1°F
(1.7°C)
5.2°F
(2.9°C)
122nd Coolest Coolest since: 1920 1978
4th Warmest Warmest to Date 2012
Nov 1920–Apr 1921
6-Month
40.0°F
(4.4°C)
36.0°F
(2.2°C)
4.0°F
(2.2°C)
119th Coolest Coolest since: 1920 1904
7th Warmest Warmest to Date 2012
Oct 1920–Apr 1921
7-Month
42.7°F
(5.9°C)
38.7°F
(3.7°C)
4.0°F
(2.2°C)
121st Coolest Coolest since: 1920 1904
5th Warmest Warmest to Date 2012
Ties: 2002
Sep 1920–Apr 1921
8-Month
46.0°F
(7.8°C)
42.2°F
(5.7°C)
3.8°F
(2.1°C)
121st Coolest Coolest since: 1920 1904
5th Warmest Warmest to Date 2017
Aug 1920–Apr 1921
9-Month
48.8°F
(9.3°C)
45.6°F
(7.6°C)
3.2°F
(1.7°C)
120th Coolest Coolest since: 1920 1904
6th Warmest Warmest to Date 2017
Jul 1920–Apr 1921
10-Month
51.3°F
(10.7°C)
48.6°F
(9.2°C)
2.7°F
(1.5°C)
118th Coolest Coolest since: 1920 1904
8th Warmest Warmest to Date 2012
Ties: 2000
Jun 1920–Apr 1921
11-Month
53.1°F
(11.7°C)
50.7°F
(10.4°C)
2.4°F
(1.3°C)
117th Coolest Coolest since: 1920 1904
9th Warmest Warmest to Date 2017
Ties: 2002
May 1920–Apr 1921
12-Month
53.7°F
(12.1°C)
51.6°F
(10.9°C)
2.1°F
(1.2°C)
113th Coolest Coolest since: 1920 1918
13th Warmest Warmest to Date 2012, 2017
Nov 1919–Apr 1921
18-Month
46.7°F
(8.2°C)
46.4°F
(8.0°C)
0.3°F
(0.2°C)
71st Coolest Coolest since: 1920 1905
54th Warmest Warmest since: 1915 2017
Ties: 1898, 1940, 1972, 1973, 1986
May 1919–Apr 1921
24-Month
52.1°F
(11.2°C)
51.6°F
(10.9°C)
0.5°F
(0.3°C)
81st Coolest Coolest since: 1920 1905
44th Warmest Warmest since: 1915 2017
Ties: 1914, 1945, 1993, 2011
May 1918–Apr 1921
36-Month
52.4°F
(11.3°C)
51.6°F
(10.9°C)
0.8°F
(0.4°C)
92nd Coolest Coolest since: 1920 1979
32nd Warmest Warmest to Date 2018
Ties: 1942, 1990, 2003
May 1917–Apr 1921
48-Month
51.3°F
(10.7°C)
51.6°F
(10.9°C)
-0.3°F
(-0.2°C)
38th Coolest Coolest since: 1920 1980
85th Warmest Warmest since: 1917 2019
Ties: 1901, 1968, 1985
May 1916–Apr 1921
60-Month
51.2°F
(10.7°C)
51.6°F
(10.9°C)
-0.4°F
(-0.2°C)
28th Coolest Coolest since: 1920 1906
94th Warmest Warmest since: 1917 2020
Ties: 1902, 1914, 1964, 1965, 1969

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published May 2020, retrieved on May 31, 2020 from https://www.ncdc.noaa.gov/cag/