Statewide Rankings
Illinois
Average Temperature Rankings, September 2020
Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2022) |
Warmest/Coolest Since |
Record |
---|---|---|---|---|---|---|
September 2020 1-Month |
65.6°F (18.7°C) | 66.2°F (19.0°C) |
-0.6°F (-0.3°C) | 48th Coolest | Coolest since: |
1918 |
81st Warmest | Warmest since: |
1925, 1933 | ||||
Ties: 1914, 1946, 1952, 1956 | ||||||
Aug– 2-Month |
69.2°F (20.7°C) | 69.8°F (21.0°C) |
-0.6°F (-0.3°C) | 41st Coolest | Coolest since: |
1967 |
88th Warmest | Warmest since: |
1936 | ||||
Ties: 1923, 1934, 1943, 1969, 1979, 2006, 2011 | ||||||
Jul– 3-Month |
71.9°F (22.2°C) | 71.7°F (22.1°C) |
0.2°F (0.1°C) | 70th Coolest | Coolest since: |
1967 |
59th Warmest | Warmest since: |
1936 | ||||
Ties: 1940 | ||||||
Jun– 4-Month |
72.3°F (22.4°C) | 71.7°F (22.1°C) |
0.6°F (0.3°C) | 80th Coolest | Coolest since: |
1915, 1924 |
49th Warmest | Warmest since: |
1936 | ||||
Ties: 1943 | ||||||
May– 5-Month |
70.0°F (21.1°C) | 69.7°F (20.9°C) |
0.3°F (0.2°C) | 71st Coolest | Coolest since: |
1924 |
58th Warmest | Warmest since: |
1936 | ||||
Ties: 1943, 1949, 2013, 2017 | ||||||
Apr– 6-Month |
66.6°F (19.2°C) | 66.7°F (19.3°C) |
-0.1°F (-0.1°C) | 51st Coolest | Coolest since: |
1907 |
78th Warmest | Warmest since: |
2010 | ||||
Ties: 1905, 1916, 1971, 1973, 1981 | ||||||
Mar– 7-Month |
63.4°F (17.4°C) | 62.9°F (17.2°C) |
0.5°F (0.2°C) | 76th Coolest | Coolest since: |
1924 |
53rd Warmest | Warmest since: |
2012 | ||||
Ties: 1905, 1942, 1983 | ||||||
Feb– 8-Month |
59.5°F (15.3°C) | 58.7°F (14.8°C) |
0.8°F (0.5°C) | 89th Coolest | Coolest since: |
1904 |
40th Warmest | Warmest since: |
2012 | ||||
Ties: 1939, 1990, 2022 | ||||||
Jan– 9-Month |
56.4°F (13.6°C) | 54.9°F (12.7°C) |
1.5°F (0.9°C) | 102nd Coolest | Coolest since: |
1904, 1912 |
27th Warmest | Warmest since: |
2012 | ||||
Ties: 1919, 1932, 1952 | ||||||
Dec 2019– 10-Month |
54.3°F (12.4°C) | 52.4°F (11.3°C) |
1.9°F (1.1°C) | 109th Coolest | Coolest since: |
1904 |
19th Warmest | Warmest since: |
2012 | ||||
Ties: 1931, 1934, 2006 | ||||||
Nov 2019– 11-Month |
52.7°F (11.5°C) | 51.4°F (10.8°C) |
1.3°F (0.7°C) | 98th Coolest | Coolest since: |
1904 |
30th Warmest | Warmest since: |
2012 | ||||
Ties: 2022 | ||||||
Oct 2019– 12-Month |
52.8°F (11.6°C) | 51.6°F (10.9°C) |
1.2°F (0.7°C) | 96th Coolest | Coolest since: |
1904 |
32nd Warmest | Warmest since: |
2012 | ||||
Ties: 1942, 1976 | ||||||
Apr 2019– 18-Month |
57.8°F (14.3°C) | 56.7°F (13.7°C) |
1.1°F (0.6°C) | 99th Coolest | Coolest since: |
1904, 1918 |
29th Warmest | Warmest since: |
2012 | ||||
Ties: 2013 | ||||||
Oct 2018– 24-Month |
52.4°F (11.3°C) | 51.6°F (10.9°C) |
0.8°F (0.4°C) | 91st Coolest | Coolest since: |
1979 |
36th Warmest | Warmest since: |
2017 | ||||
Ties: 1998 | ||||||
Oct 2017– 36-Month |
52.6°F (11.4°C) | 51.6°F (10.9°C) |
1.0°F (0.5°C) | 99th Coolest | Coolest since: |
1979 |
27th Warmest | Warmest since: |
2018 | ||||
Ties: 1922, 2005, 2021 | ||||||
Oct 2016– 48-Month |
53.2°F (11.8°C) | 51.6°F (10.9°C) |
1.6°F (0.9°C) | 116th Coolest | Coolest since: |
1905 |
9th Warmest | Warmest since: |
2019 | ||||
Oct 2015– 60-Month |
53.6°F (12.0°C) | 51.6°F (10.9°C) |
2.0°F (1.1°C) | 123rd Coolest | Coolest since: |
1906 |
1st Warmest | Warmest to Date |
2020 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 20, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings