Climate at a Glance
Divisional 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 July 2022. For more information, please see Climatological Rankings.
Illinois, Climate Division 8. Southwest
Average Temperature Rankings, May 2009
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2022) |
Warmest/Coolest Since |
Record |
|---|---|---|---|---|---|---|
|
May 2009 1-Month |
65.3°F (18.5°C) | 65.1°F (18.4°C) |
0.2°F (0.1°C) | 60th Coolest | Coolest since: 2008 | 1917, 1924 |
| 69th Warmest | Warmest since: 2007 | 2018 | ||||
| Ties: 1952 | ||||||
|
Apr–May 2009 2-Month |
60.3°F (15.7°C) | 60.2°F (15.7°C) |
0.1°F (0.0°C) | 55th Coolest | Coolest since: 2008 | 1907 |
| 74th Warmest | Warmest since: 2007 | 1896 | ||||
| Ties: 1937, 1960 | ||||||
|
Mar–May 2009 3-Month |
56.5°F (13.6°C) | 55.0°F (12.8°C) |
1.5°F (0.8°C) | 92nd Coolest | Coolest since: 2008 | 1960 |
| 37th Warmest | Warmest since: 2007 | 2012 | ||||
| Ties: 1942 | ||||||
|
Feb–May 2009 4-Month |
51.8°F (11.0°C) | 49.9°F (9.9°C) |
1.9°F (1.1°C) | 102nd Coolest | Coolest since: 2008 | 1978 |
| 27th Warmest | Warmest since: 2006 | 2012 | ||||
|
Jan–May 2009 5-Month |
47.2°F (8.4°C) | 46.2°F (7.9°C) |
1.0°F (0.5°C) | 88th Coolest | Coolest since: 2008 | 1978 |
| 41st Warmest | Warmest since: 2007 | 2012 | ||||
|
Dec 2008–May 2009 6-Month |
44.9°F (7.2°C) | 44.3°F (6.8°C) |
0.6°F (0.4°C) | 77th Coolest | Coolest since: 2008 | 1978 |
| 51st Warmest | Warmest since: 2007 | 2012 | ||||
| Ties: 1935, 1944 | ||||||
|
Nov 2008–May 2009 7-Month |
44.7°F (7.1°C) | 44.3°F (6.8°C) |
0.4°F (0.3°C) | 69th Coolest | Coolest since: 2008 | 1978 |
| 59th Warmest | Warmest since: 2007 | 2012 | ||||
|
Oct 2008–May 2009 8-Month |
46.3°F (7.9°C) | 46.0°F (7.8°C) |
0.3°F (0.1°C) | 69th Coolest | Coolest since: 2003 | 1978 |
| 59th Warmest | Warmest since: 2008 | 2012 | ||||
| Ties: 1916, 1923, 1952 | ||||||
|
Sep 2008–May 2009 9-Month |
48.9°F (9.4°C) | 48.6°F (9.2°C) |
0.3°F (0.2°C) | 74th Coolest | Coolest since: 2003 | 1978 |
| 54th Warmest | Warmest since: 2008 | 2012 | ||||
| Ties: 1903, 1908, 1967, 1981, 1985, 1990, 2010, 2011 | ||||||
|
Aug 2008–May 2009 10-Month |
51.4°F (10.8°C) | 51.3°F (10.7°C) |
0.1°F (0.1°C) | 58th Coolest | Coolest since: 2003 | 1978 |
| 70th Warmest | Warmest since: 2008 | 2012 | ||||
| Ties: 1907, 1988, 1989, 2010 | ||||||
|
Jul 2008–May 2009 11-Month |
53.8°F (12.1°C) | 53.8°F (12.1°C) |
0.0°F (0.0°C) | 59th Coolest | Coolest since: 2001 | 1918 |
| 69th Warmest | Warmest since: 2008 | 2012 | ||||
| Ties: 1985 | ||||||
|
Jun 2008–May 2009 12-Month |
55.6°F (13.1°C) | 55.4°F (13.0°C) |
0.2°F (0.1°C) | 61st Coolest | Coolest since: 2001 | 1904, 1918 |
| 67th Warmest | Warmest since: 2008 | 2012 | ||||
| Ties: 1901, 1944, 1945, 1967 | ||||||
|
Dec 2007–May 2009 18-Month |
51.7°F (10.9°C) | 51.7°F (10.9°C) |
0.0°F (0.0°C) | 56th Coolest | Coolest since: 1997 | 1979 |
| 71st Warmest | Warmest since: 2008 | 2017 | ||||
| Ties: 1908, 1928, 1944, 1973, 1993, 1996 | ||||||
|
Jun 2007–May 2009 24-Month |
56.0°F (13.3°C) | 55.4°F (13.0°C) |
0.6°F (0.3°C) | 90th Coolest | Coolest since: 2002 | 1905, 1978 |
| 37th Warmest | Warmest since: 2008 | 2017 | ||||
| Ties: 2011 | ||||||
|
Jun 2006–May 2009 36-Month |
56.2°F (13.4°C) | 55.3°F (12.9°C) |
0.9°F (0.5°C) | 98th Coolest | Coolest since: 2005 | 1979 |
| 28th Warmest | Warmest since: 2008 | 2018 | ||||
| Ties: 1922, 1943, 1974, 1999, 2005 | ||||||
|
Jun 2005–May 2009 48-Month |
56.7°F (13.7°C) | 55.4°F (13.0°C) |
1.3°F (0.7°C) | 112th Coolest | Coolest since: 2006 | 1980 |
| 13th Warmest | Warmest since: 2008 | 2019 | ||||
| Ties: 1955, 2001, 2014, 2022 | ||||||
|
Jun 2004–May 2009 60-Month |
56.6°F (13.7°C) | 55.3°F (12.9°C) |
1.3°F (0.8°C) | 113th Coolest | Coolest since: 2007 | 1979, 1980, 1981 |
| 11th Warmest | Warmest since: 2008 | 2020 | ||||
| Ties: 1934, 1936, 2003, 2007, 2016, 2022 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published August 2022, retrieved on August 13, 2022 from https://www.ncei.noaa.gov/cag/