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 May 2022. For more information, please see Climatological Rankings.
Illinois
Average Temperature Rankings, October 1991
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2021) |
Warmest/Coolest Since |
Record |
|---|---|---|---|---|---|---|
|
October 1991 1-Month |
55.6°F (13.1°C) | 54.6°F (12.6°C) |
1.0°F (0.5°C) | 83rd Coolest | Coolest since: 1990 | 1925 |
| 45th Warmest | Warmest since: 1989 | 1963 | ||||
| Ties: 1915, 1958, 1961 | ||||||
|
Sep–Oct 1991 2-Month |
61.0°F (16.1°C) | 60.4°F (15.8°C) |
0.6°F (0.3°C) | 77th Coolest | Coolest since: 1990 | 1917 |
| 51st Warmest | Warmest since: 1986 | 1897, 2016 | ||||
| Ties: 1912, 1984 | ||||||
|
Aug–Oct 1991 3-Month |
65.6°F (18.7°C) | 64.8°F (18.2°C) |
0.8°F (0.5°C) | 88th Coolest | Coolest since: 1990 | 1917 |
| 40th Warmest | Warmest since: 1984 | 1947 | ||||
| Ties: 1984 | ||||||
|
Jul–Oct 1991 4-Month |
68.2°F (20.1°C) | 67.4°F (19.7°C) |
0.8°F (0.4°C) | 86th Coolest | Coolest since: 1990 | 1917 |
| 42nd Warmest | Warmest since: 1983 | 1936 | ||||
| Ties: 1899, 1920, 1960, 2012 | ||||||
|
Jun–Oct 1991 5-Month |
69.6°F (20.9°C) | 68.2°F (20.1°C) |
1.4°F (0.8°C) | 99th Coolest | Coolest since: 1990 | 1917 |
| 29th Warmest | Warmest since: 1983 | 1936 | ||||
|
May–Oct 1991 6-Month |
69.5°F (20.8°C) | 67.3°F (19.6°C) |
2.2°F (1.2°C) | 121st Coolest | Coolest since: 1990 | 1917 |
| 7th Warmest | Warmest since: 1941 | 1936 | ||||
| Ties: 1921, 1941, 1998 | ||||||
|
Apr–Oct 1991 7-Month |
67.5°F (19.7°C) | 64.9°F (18.3°C) |
2.6°F (1.4°C) | 125th Coolest | Coolest since: 1990 | 1917 |
| 3rd Warmest | Warmest since: 1941 | 2010 | ||||
| Ties: 1936, 1941 | ||||||
|
Mar–Oct 1991 8-Month |
64.6°F (18.1°C) | 61.9°F (16.6°C) |
2.7°F (1.5°C) | 122nd Coolest | Coolest since: 1990 | 1917 |
| 6th Warmest | Warmest since: 1921 | 2012 | ||||
|
Feb–Oct 1991 9-Month |
61.2°F (16.2°C) | 58.2°F (14.6°C) |
3.0°F (1.6°C) | 124th Coolest | Coolest since: 1990 | 1917 |
| 4th Warmest | Warmest since: 1921 | 2012 | ||||
|
Jan–Oct 1991 10-Month |
57.4°F (14.1°C) | 54.9°F (12.7°C) |
2.5°F (1.4°C) | 121st Coolest | Coolest since: 1990 | 1904 |
| 7th Warmest | Warmest since: 1938 | 2012 | ||||
| Ties: 2005 | ||||||
|
Dec 1990–Oct 1991 11-Month |
55.0°F (12.8°C) | 52.7°F (11.5°C) |
2.3°F (1.3°C) | 120th Coolest | Coolest since: 1990 | 1904 |
| 7th Warmest | Warmest since: 1921 | 2012 | ||||
| Ties: 2005 | ||||||
|
Nov 1990–Oct 1991 12-Month |
54.3°F (12.4°C) | 51.7°F (10.9°C) |
2.6°F (1.5°C) | 120th Coolest | Coolest since: 1990 | 1904 |
| 7th Warmest | Warmest since: 1921 | 2012 | ||||
| Ties: 2007 | ||||||
|
May 1990–Oct 1991 18-Month |
58.3°F (14.6°C) | 56.8°F (13.8°C) |
1.5°F (0.8°C) | 111th Coolest | Coolest since: 1990 | 1904 |
| 16th Warmest | Warmest since: 1955 | 2012 | ||||
| Ties: 1914, 1939, 1955 | ||||||
|
Nov 1989–Oct 1991 24-Month |
53.1°F (11.7°C) | 51.6°F (10.9°C) |
1.5°F (0.8°C) | 109th Coolest | Coolest since: 1990 | 1905 |
| 17th Warmest | Warmest since: 1955 | 2017 | ||||
| Ties: 1934, 1992, 2021 | ||||||
|
Nov 1988–Oct 1991 36-Month |
52.6°F (11.4°C) | 51.6°F (10.9°C) |
1.0°F (0.5°C) | 98th Coolest | Coolest since: 1990 | 1904, 1979 |
| 27th Warmest | Warmest since: 1988 | 2018 | ||||
| Ties: 1922 | ||||||
|
Nov 1987–Oct 1991 48-Month |
52.6°F (11.4°C) | 51.6°F (10.9°C) |
1.0°F (0.5°C) | 102nd Coolest | Coolest since: 1990 | 1905 |
| 22nd Warmest | Warmest since: 1957 | 2019 | ||||
| Ties: 1932, 1957 | ||||||
|
Nov 1986–Oct 1991 60-Month |
52.8°F (11.6°C) | 51.6°F (10.9°C) |
1.2°F (0.7°C) | 110th Coolest | Coolest since: 1990 | 1905, 1906 |
| 13th Warmest | Warmest since: 1957 | 2002, 2020 | ||||
| Ties: 1956, 2003 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published June 2022, retrieved on June 28, 2022 from https://www.ncdc.noaa.gov/cag/