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 December 2021. For more information, please see Climatological Rankings.
Illinois
Average Temperature Rankings, October 1940
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2021) |
Warmest/Coolest Since |
Record |
|---|---|---|---|---|---|---|
|
October 1940 1-Month |
58.6°F (14.8°C) | 54.6°F (12.6°C) |
4.0°F (2.2°C) | 113th Coolest | Coolest since: 1939 | 1925 |
| 15th Warmest | Warmest since: 1938 | 1963 | ||||
|
Sep–Oct 1940 2-Month |
62.0°F (16.7°C) | 60.4°F (15.8°C) |
1.6°F (0.9°C) | 96th Coolest | Coolest since: 1937 | 1917 |
| 32nd Warmest | Warmest since: 1939 | 1897, 2016 | ||||
|
Aug–Oct 1940 3-Month |
66.0°F (18.9°C) | 64.7°F (18.2°C) |
1.3°F (0.7°C) | 97th Coolest | Coolest since: 1937 | 1917 |
| 31st Warmest | Warmest since: 1939 | 1947 | ||||
| Ties: 1906, 2019 | ||||||
|
Jul–Oct 1940 4-Month |
68.6°F (20.3°C) | 67.5°F (19.7°C) |
1.1°F (0.6°C) | 99th Coolest | Coolest since: 1937 | 1917 |
| 29th Warmest | Warmest since: 1939 | 1936 | ||||
| Ties: 1922, 1930, 1933, 2002, 2018 | ||||||
|
Jun–Oct 1940 5-Month |
69.3°F (20.7°C) | 68.2°F (20.1°C) |
1.1°F (0.6°C) | 94th Coolest | Coolest since: 1937 | 1917 |
| 34th Warmest | Warmest since: 1939 | 1936 | ||||
| Ties: 2011, 2019 | ||||||
|
May–Oct 1940 6-Month |
67.6°F (19.8°C) | 67.3°F (19.6°C) |
0.3°F (0.2°C) | 73rd Coolest | Coolest since: 1937 | 1917 |
| 55th Warmest | Warmest since: 1939 | 1936 | ||||
| Ties: 1964 | ||||||
|
Apr–Oct 1940 7-Month |
65.0°F (18.3°C) | 65.0°F (18.3°C) |
0.0°F (0.0°C) | 58th Coolest | Coolest since: 1937 | 1917 |
| 70th Warmest | Warmest since: 1939 | 2010 | ||||
| Ties: 1908, 1952 | ||||||
|
Mar–Oct 1940 8-Month |
61.4°F (16.3°C) | 61.8°F (16.6°C) |
-0.4°F (-0.3°C) | 42nd Coolest | Coolest since: 1937 | 1917 |
| 86th Warmest | Warmest since: 1939 | 2012 | ||||
| Ties: 1903, 1916, 1920, 1927, 1957 | ||||||
|
Feb–Oct 1940 9-Month |
57.8°F (14.3°C) | 58.2°F (14.6°C) |
-0.4°F (-0.3°C) | 44th Coolest | Coolest since: 1937 | 1917 |
| 84th Warmest | Warmest since: 1939 | 2012 | ||||
| Ties: 1901, 1968, 1974, 1992, 2009 | ||||||
|
Jan–Oct 1940 10-Month |
53.4°F (11.9°C) | 54.9°F (12.7°C) |
-1.5°F (-0.8°C) | 12th Coolest | Coolest since: 1929 | 1904 |
| 116th Warmest | Warmest since: 1939 | 2012 | ||||
| Ties: 1902, 1929, 1966 | ||||||
|
Dec 1939–Oct 1940 11-Month |
51.6°F (10.9°C) | 52.6°F (11.4°C) |
-1.0°F (-0.5°C) | 20th Coolest | Coolest since: 1929 | 1904 |
| 107th Warmest | Warmest since: 1939 | 2012 | ||||
| Ties: 1926, 1945, 1967, 1969, 2009 | ||||||
|
Nov 1939–Oct 1940 12-Month |
50.6°F (10.3°C) | 51.6°F (10.9°C) |
-1.0°F (-0.6°C) | 22nd Coolest | Coolest since: 1929 | 1904 |
| 105th Warmest | Warmest since: 1939 | 2012 | ||||
| Ties: 1929, 1977 | ||||||
|
May 1939–Oct 1940 18-Month |
56.7°F (13.7°C) | 56.8°F (13.8°C) |
-0.1°F (-0.1°C) | 54th Coolest | Coolest since: 1936 | 1904 |
| 73rd Warmest | Warmest since: 1939 | 2012 | ||||
| Ties: 1963, 1965, 2003 | ||||||
|
Nov 1938–Oct 1940 24-Month |
51.9°F (11.1°C) | 51.6°F (10.9°C) |
0.3°F (0.2°C) | 77th Coolest | Coolest since: 1937 | 1905 |
| 49th Warmest | Warmest since: 1939 | 2017 | ||||
| Ties: 1897, 1901, 1943, 1949, 2004 | ||||||
|
Nov 1937–Oct 1940 36-Month |
52.4°F (11.3°C) | 51.6°F (10.9°C) |
0.8°F (0.4°C) | 93rd Coolest | Coolest since: 1938 | 1904, 1979 |
| 32nd Warmest | Warmest since: 1939 | 2018 | ||||
| Ties: 1987, 2020 | ||||||
|
Nov 1936–Oct 1940 48-Month |
52.1°F (11.2°C) | 51.6°F (10.9°C) |
0.5°F (0.3°C) | 82nd Coolest | Coolest since: 1938 | 1905 |
| 42nd Warmest | Warmest since: 1939 | 2019 | ||||
| Ties: 1921, 1949, 1954, 1999, 2016 | ||||||
|
Nov 1935–Oct 1940 60-Month |
51.9°F (11.1°C) | 51.6°F (10.9°C) |
0.3°F (0.2°C) | 69th Coolest | Coolest since: 1931 | 1905, 1906 |
| 54th Warmest | Warmest since: 1939 | 2002, 2020 | ||||
| Ties: 1924, 1944, 1946, 1949 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2022, retrieved on January 18, 2022 from https://www.ncdc.noaa.gov/cag/