Statewide Rankings
Illinois
Average Temperature Rankings, September 2018
Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2022) |
Warmest/Coolest Since |
Record |
---|---|---|---|---|---|---|
September 2018 1-Month |
70.3°F (21.3°C) | 66.2°F (19.0°C) |
4.1°F (2.3°C) | 118th Coolest | Coolest since: |
1918 |
11th Warmest | Warmest since: |
1925, 1933 | ||||
Ties: 1921 | ||||||
Aug– 2-Month |
72.5°F (22.5°C) | 69.8°F (21.0°C) |
2.7°F (1.5°C) | 115th Coolest | Coolest since: |
1967 |
14th Warmest | Warmest since: |
1936 | ||||
Ties: 1980 | ||||||
Jul– 3-Month |
73.3°F (22.9°C) | 71.7°F (22.1°C) |
1.6°F (0.8°C) | 102nd Coolest | Coolest since: |
1967 |
27th Warmest | Warmest since: |
1936 | ||||
Ties: 2021 | ||||||
Jun– 4-Month |
73.7°F (23.2°C) | 71.6°F (22.0°C) |
2.1°F (1.2°C) | 115th Coolest | Coolest since: |
1915, 1924 |
14th Warmest | Warmest since: |
1936 | ||||
Ties: 1913, 1925, 1953 | ||||||
May– 5-Month |
73.1°F (22.8°C) | 69.7°F (20.9°C) |
3.4°F (1.9°C) | 127th Coolest | Coolest since: |
1924 |
2nd Warmest | Warmest since: |
1936 | ||||
Apr– 6-Month |
68.4°F (20.2°C) | 66.7°F (19.3°C) |
1.7°F (0.9°C) | 109th Coolest | Coolest since: |
1907 |
20th Warmest | Warmest since: |
2010 | ||||
Ties: 1914, 1959 | ||||||
Mar– 7-Month |
64.2°F (17.9°C) | 62.8°F (17.1°C) |
1.4°F (0.8°C) | 104th Coolest | Coolest since: |
1924 |
25th Warmest | Warmest since: |
2012 | ||||
Ties: 1930, 2017 | ||||||
Feb– 8-Month |
60.2°F (15.7°C) | 58.7°F (14.8°C) |
1.5°F (0.9°C) | 111th Coolest | Coolest since: |
1904 |
18th Warmest | Warmest since: |
2012 | ||||
Ties: 1931, 1953, 1986, 1999, 2002, 2007 | ||||||
Jan– 9-Month |
56.2°F (13.4°C) | 55.0°F (12.8°C) |
1.2°F (0.6°C) | 94th Coolest | Coolest since: |
1904, 1912 |
35th Warmest | Warmest since: |
2012 | ||||
Ties: 1941, 1964, 1973 | ||||||
Dec 2017– 10-Month |
53.5°F (11.9°C) | 52.4°F (11.3°C) |
1.1°F (0.6°C) | 90th Coolest | Coolest since: |
1904 |
38th Warmest | Warmest since: |
2012 | ||||
Nov 2017– 11-Month |
52.5°F (11.4°C) | 51.4°F (10.8°C) |
1.1°F (0.6°C) | 95th Coolest | Coolest since: |
1904 |
33rd Warmest | Warmest since: |
2012 | ||||
Ties: 1925, 1941, 1976, 2004 | ||||||
Oct 2017– 12-Month |
52.9°F (11.6°C) | 51.6°F (10.9°C) |
1.3°F (0.7°C) | 100th Coolest | Coolest since: |
1904 |
28th Warmest | Warmest since: |
2012 | ||||
Ties: 1914, 1933, 1934 | ||||||
Apr 2017– 18-Month |
57.9°F (14.4°C) | 56.7°F (13.7°C) |
1.2°F (0.7°C) | 102nd Coolest | Coolest since: |
1904, 1918 |
26th Warmest | Warmest since: |
2012 | ||||
Ties: 1953 | ||||||
Oct 2016– 24-Month |
54.0°F (12.2°C) | 51.7°F (10.9°C) |
2.3°F (1.3°C) | 123rd Coolest | Coolest since: |
1979 |
4th Warmest | Warmest since: |
2017 | ||||
Ties: 1999 | ||||||
Oct 2015– 36-Month |
54.4°F (12.4°C) | 51.6°F (10.9°C) |
2.8°F (1.5°C) | 125th Coolest | Coolest since: |
1979 |
1st Warmest | Warmest to Date |
2018 | ||||
Oct 2014– 48-Month |
53.6°F (12.0°C) | 51.6°F (10.9°C) |
2.0°F (1.1°C) | 123rd Coolest | Coolest since: |
1905 |
2nd Warmest | Warmest to Date |
2019 | ||||
Oct 2013– 60-Month |
52.7°F (11.5°C) | 51.6°F (10.9°C) |
1.1°F (0.6°C) | 106th Coolest | Coolest since: |
1906 |
18th Warmest | Warmest since: |
2020 | ||||
Ties: 1933, 1936, 1956, 2001, 2004, 2005 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings