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 October 2019. 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 (1895-2019) |
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) | 82nd Coolest | Coolest since: 1990 | 1925 |
| 44th 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) | 76th Coolest | Coolest since: 1990 | 1917 |
| 50th 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) | 87th Coolest | Coolest since: 1990 | 1917 |
| 39th 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) | 85th Coolest | Coolest since: 1990 | 1917 |
| 41st 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) | 98th Coolest | Coolest since: 1990 | 1917 |
| 28th 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) | 119th 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) | 123rd 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) | 120th 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) | 122nd 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) | 119th 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) | 118th 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) | 118th 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) | 109th 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) | 107th Coolest | Coolest since: 1990 | 1905 |
| 17th Warmest | Warmest since: 1955 | 2017 | ||||
| Ties: 1934, 1992 | ||||||
|
Nov 1988–Oct 1991 36-Month |
52.6°F (11.4°C) | 51.6°F (10.9°C) |
1.0°F (0.5°C) | 97th Coolest | Coolest since: 1990 | 1904, 1979 |
| 26th 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 |
| 20th 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 |
| 11th Warmest | Warmest since: 1957 | 2002 | ||||
| Ties: 1956, 2003 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 18, 2019 from https://www.ncdc.noaa.gov/cag/