Statewide Rankings
Illinois
Average Temperature Rankings, September 1979
Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2022) |
Warmest/Coolest Since |
Record |
---|---|---|---|---|---|---|
September 1979 1-Month |
65.7°F (18.7°C) | 66.2°F (19.0°C) |
-0.5°F (-0.3°C) | 53rd Coolest | Coolest since: |
1918 |
76th Warmest | Warmest since: |
1925, 1933 | ||||
Ties: 1901 | ||||||
Aug– 2-Month |
69.1°F (20.6°C) | 69.8°F (21.0°C) |
-0.7°F (-0.4°C) | 40th Coolest | Coolest since: |
1967 |
89th Warmest | Warmest since: |
1936 | ||||
Ties: 1952 | ||||||
Jul– 3-Month |
70.7°F (21.5°C) | 71.8°F (22.1°C) |
-1.1°F (-0.6°C) | 34th Coolest | Coolest since: |
1967 |
95th Warmest | Warmest since: |
1936 | ||||
Ties: 1945 | ||||||
Jun– 4-Month |
71.0°F (21.7°C) | 71.7°F (22.1°C) |
-0.7°F (-0.4°C) | 41st Coolest | Coolest since: |
1915, 1924 |
88th Warmest | Warmest since: |
1936 | ||||
Ties: 1942, 1981 | ||||||
May– 5-Month |
69.1°F (20.6°C) | 69.8°F (21.0°C) |
-0.7°F (-0.4°C) | 35th Coolest | Coolest since: |
1924 |
94th Warmest | Warmest since: |
1936 | ||||
Ties: 1920, 1963, 1969, 1982, 1990, 2008, 2014 | ||||||
Apr– 6-Month |
65.7°F (18.7°C) | 66.7°F (19.3°C) |
-1.0°F (-0.6°C) | 29th Coolest | Coolest since: |
1907 |
100th Warmest | Warmest since: |
2010 | ||||
Ties: 1918, 1958, 2009 | ||||||
Mar– 7-Month |
62.0°F (16.7°C) | 62.9°F (17.2°C) |
-0.9°F (-0.5°C) | 33rd Coolest | Coolest since: |
1924 |
96th Warmest | Warmest since: |
2012 | ||||
Ties: 1927 | ||||||
Feb– 8-Month |
56.4°F (13.6°C) | 58.6°F (14.8°C) |
-2.2°F (-1.2°C) | 6th Coolest | Coolest since: |
1904 |
123rd Warmest | Warmest since: |
2012 | ||||
Ties: 1958 | ||||||
Jan– 9-Month |
51.6°F (10.9°C) | 55.0°F (12.8°C) |
-3.4°F (-1.9°C) | 3rd Coolest | Coolest since: |
1904, 1912 |
126th Warmest | Warmest since: |
2012 | ||||
Dec 1978– 10-Month |
49.3°F (9.6°C) | 52.4°F (11.3°C) |
-3.1°F (-1.7°C) | 2nd Coolest | Coolest since: |
1904 |
126th Warmest | Warmest since: |
2012 | ||||
Nov 1978– 11-Month |
48.8°F (9.3°C) | 51.4°F (10.8°C) |
-2.6°F (-1.5°C) | 4th Coolest | Coolest since: |
1904 |
124th Warmest | Warmest since: |
2012 | ||||
Oct 1978– 12-Month |
49.1°F (9.5°C) | 51.7°F (10.9°C) |
-2.6°F (-1.4°C) | 4th Coolest | Coolest since: |
1904 |
124th Warmest | Warmest since: |
2012 | ||||
Ties: 1978 | ||||||
Apr 1978– 18-Month |
55.1°F (12.8°C) | 56.6°F (13.7°C) |
-1.5°F (-0.9°C) | 6th Coolest | Coolest since: |
1904, 1918 |
122nd Warmest | Warmest since: |
2012 | ||||
Oct 1977– 24-Month |
49.1°F (9.5°C) | 51.6°F (10.9°C) |
-2.5°F (-1.4°C) | 1st Coolest | Coolest since: |
1979 |
126th Warmest | Warmest since: |
2017 | ||||
Oct 1976– 36-Month |
49.5°F (9.7°C) | 51.6°F (10.9°C) |
-2.1°F (-1.2°C) | 1st Coolest | Coolest since: |
1979 |
125th Warmest | Warmest since: |
2018 | ||||
Oct 1975– 48-Month |
50.3°F (10.2°C) | 51.6°F (10.9°C) |
-1.3°F (-0.7°C) | 5th Coolest | Coolest since: |
1905 |
120th Warmest | Warmest since: |
2019 | ||||
Ties: 1904, 1906 | ||||||
Oct 1974– 60-Month |
50.5°F (10.3°C) | 51.6°F (10.9°C) |
-1.1°F (-0.6°C) | 7th Coolest | Coolest since: |
1906 |
117th Warmest | Warmest since: |
2020 |
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