Statewide Rankings

Parameter:

Year:

Month:

State:

Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Illinois

Average Temperature Rankings, July 2018

View Period (Months):

All

Download:

Record Coolest

Bottom 1/10

Bottom 1/3

Normal

Top 1/3

Top 1/10

Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
July 2018 1-Month	75.0°F (23.9°C)	75.6°F (24.2°C)	-0.6°F (-0.3°C)	52nd Coolest	Coolest since: 2015	2009, 2014
	75.0°F (23.9°C)	75.6°F (24.2°C)	-0.6°F (-0.3°C)	77th Warmest	Warmest since: 2017	1936
	Ties: 1898, 1937, 1970
Jun–Jul 2018 2-Month	74.9°F (23.8°C)	73.4°F (23.0°C)	1.5°F (0.8°C)	98th Coolest	Coolest since: 2017	1915
Jun–Jul 2018 2-Month	74.9°F (23.8°C)	73.4°F (23.0°C)	1.5°F (0.8°C)	31st Warmest	Warmest since: 2016	1934
May–Jul 2018 3-Month	73.5°F (23.1°C)	69.7°F (20.9°C)	3.8°F (2.2°C)	125th Coolest	Coolest since: 2017	1924
May–Jul 2018 3-Month	73.5°F (23.1°C)	69.7°F (20.9°C)	3.8°F (2.2°C)	4th Warmest	Warmest since: 2012	1934
Apr–Jul 2018 4-Month	66.4°F (19.1°C)	65.2°F (18.4°C)	1.2°F (0.7°C)	99th Coolest	Coolest since: 2016	1907
	66.4°F (19.1°C)	65.2°F (18.4°C)	1.2°F (0.7°C)	30th Warmest	Warmest since: 2017	1934
	Ties: 1901, 1922, 1932, 1959, 2016
Mar–Jul 2018 5-Month	60.9°F (16.1°C)	60.1°F (15.6°C)	0.8°F (0.5°C)	83rd Coolest	Coolest since: 2015	1960
	60.9°F (16.1°C)	60.1°F (15.6°C)	0.8°F (0.5°C)	46th Warmest	Warmest since: 2017	2012
	Ties: 1910, 1919, 1976
Feb–Jul 2018 6-Month	56.1°F (13.4°C)	55.0°F (12.8°C)	1.1°F (0.6°C)	97th Coolest	Coolest since: 2015	1947
	56.1°F (13.4°C)	55.0°F (12.8°C)	1.1°F (0.6°C)	32nd Warmest	Warmest since: 2017	2012
	Ties: 1949, 1957, 1964
Jan–Jul 2018 7-Month	51.5°F (10.8°C)	50.7°F (10.4°C)	0.8°F (0.4°C)	83rd Coolest	Coolest since: 2015	1912
	51.5°F (10.8°C)	50.7°F (10.4°C)	0.8°F (0.4°C)	46th Warmest	Warmest since: 2017	2012
	Ties: 1898, 1942, 1981
Dec 2017–Jul 2018 8-Month	48.8°F (9.3°C)	48.1°F (8.9°C)	0.7°F (0.4°C)	79th Coolest	Coolest since: 2015	1904
	48.8°F (9.3°C)	48.1°F (8.9°C)	0.7°F (0.4°C)	49th Warmest	Warmest since: 2017	2012
	Ties: 1925, 1990
Nov 2017–Jul 2018 9-Month	48.0°F (8.9°C)	47.2°F (8.4°C)	0.8°F (0.5°C)	85th Coolest	Coolest since: 2015	1904
	48.0°F (8.9°C)	47.2°F (8.4°C)	0.8°F (0.5°C)	43rd Warmest	Warmest since: 2017	2012
	Ties: 1911, 1925, 1957
Oct 2017–Jul 2018 10-Month	49.0°F (9.4°C)	48.0°F (8.9°C)	1.0°F (0.5°C)	90th Coolest	Coolest since: 2015	1904
	49.0°F (9.4°C)	48.0°F (8.9°C)	1.0°F (0.5°C)	38th Warmest	Warmest since: 2017	2012
	Ties: 1933, 1974
Sep 2017–Jul 2018 11-Month	50.8°F (10.4°C)	49.6°F (9.8°C)	1.2°F (0.6°C)	97th Coolest	Coolest since: 2015	1904
	50.8°F (10.4°C)	49.6°F (9.8°C)	1.2°F (0.6°C)	31st Warmest	Warmest since: 2017	2012
	Ties: 1964, 2007, 2010
Aug 2017–Jul 2018 12-Month	52.5°F (11.4°C)	51.7°F (10.9°C)	0.8°F (0.5°C)	90th Coolest	Coolest since: 2015	1904
	52.5°F (11.4°C)	51.7°F (10.9°C)	0.8°F (0.5°C)	38th Warmest	Warmest since: 2017	2012
	Ties: 1938, 1964, 2008, 2010
Feb 2017–Jul 2018 18-Month	54.5°F (12.5°C)	52.7°F (11.5°C)	1.8°F (1.0°C)	111th Coolest	Coolest since: 2015	1918
Feb 2017–Jul 2018 18-Month	54.5°F (12.5°C)	52.7°F (11.5°C)	1.8°F (1.0°C)	17th Warmest	Warmest since: 2017	2012
Aug 2016–Jul 2018 24-Month	54.0°F (12.2°C)	51.6°F (10.9°C)	2.4°F (1.3°C)	124th Coolest	Coolest since: 2016	1905
	54.0°F (12.2°C)	51.6°F (10.9°C)	2.4°F (1.3°C)	3rd Warmest	Warmest since: 2017	2017
	Ties: 1932, 1999, 2000, 2013
Aug 2015–Jul 2018 36-Month	54.3°F (12.4°C)	51.6°F (10.9°C)	2.7°F (1.5°C)	125th Coolest	Coolest since: 2017	1979
Aug 2015–Jul 2018 36-Month	54.3°F (12.4°C)	51.6°F (10.9°C)	2.7°F (1.5°C)	1st Warmest	Warmest to Date	2018
Aug 2014–Jul 2018 48-Month	53.5°F (11.9°C)	51.6°F (10.9°C)	1.9°F (1.0°C)	123rd Coolest	Coolest since: 2017	1905, 1980
Aug 2014–Jul 2018 48-Month	53.5°F (11.9°C)	51.6°F (10.9°C)	1.9°F (1.0°C)	2nd Warmest	Warmest to Date	2019
Aug 2013–Jul 2018 60-Month	52.7°F (11.5°C)	51.6°F (10.9°C)	1.1°F (0.6°C)	108th Coolest	Coolest since: 2017	1906
	52.7°F (11.5°C)	51.6°F (10.9°C)	1.1°F (0.6°C)	16th Warmest	Warmest since: 2016	2020
	Ties: 1936, 1956, 1991, 2001, 2004, 2010, 2016

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 7, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings