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 May 2022. For more information, please see Climatological Rankings.
Illinois, Climate Division 8. Southwest
Average Temperature Rankings, May 2018
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2022) |
Warmest/Coolest Since |
Record |
|---|---|---|---|---|---|---|
|
May 2018 1-Month |
73.1°F (22.8°C) | 65.1°F (18.4°C) |
8.0°F (4.4°C) | 128th Coolest | Coolest since: 2017 | 1917, 1924 |
| 1st Warmest | Warmest to Date | 2018 | ||||
|
Apr–May 2018 2-Month |
61.4°F (16.3°C) | 60.2°F (15.7°C) |
1.2°F (0.6°C) | 91st Coolest | Coolest since: 2016 | 1907 |
| 38th Warmest | Warmest since: 2017 | 1896 | ||||
| Ties: 1938, 1948, 1974 | ||||||
|
Mar–May 2018 3-Month |
55.5°F (13.1°C) | 55.0°F (12.8°C) |
0.5°F (0.3°C) | 71st Coolest | Coolest since: 2014 | 1960 |
| 58th Warmest | Warmest since: 2017 | 2012 | ||||
| Ties: 1953, 1957, 2019, 2020 | ||||||
|
Feb–May 2018 4-Month |
51.4°F (10.8°C) | 50.0°F (10.0°C) |
1.4°F (0.8°C) | 91st Coolest | Coolest since: 2015 | 1978 |
| 38th Warmest | Warmest since: 2017 | 2012 | ||||
| Ties: 1908, 1990 | ||||||
|
Jan–May 2018 5-Month |
46.7°F (8.2°C) | 46.1°F (7.8°C) |
0.6°F (0.4°C) | 73rd Coolest | Coolest since: 2015 | 1978 |
| 56th Warmest | Warmest since: 2017 | 2012 | ||||
| Ties: 1903 | ||||||
|
Dec 2017–May 2018 6-Month |
44.8°F (7.1°C) | 44.3°F (6.8°C) |
0.5°F (0.3°C) | 74th Coolest | Coolest since: 2015 | 1978 |
| 54th Warmest | Warmest since: 2017 | 2012 | ||||
| Ties: 1909, 1983, 1985 | ||||||
|
Nov 2017–May 2018 7-Month |
45.0°F (7.2°C) | 44.3°F (6.8°C) |
0.7°F (0.4°C) | 80th Coolest | Coolest since: 2015 | 1978 |
| 48th Warmest | Warmest since: 2017 | 2012 | ||||
| Ties: 1941, 1983, 1988, 1990, 2019 | ||||||
|
Oct 2017–May 2018 8-Month |
47.0°F (8.3°C) | 46.0°F (7.8°C) |
1.0°F (0.5°C) | 91st Coolest | Coolest since: 2015 | 1978 |
| 37th Warmest | Warmest since: 2017 | 2012 | ||||
| Ties: 1903, 1922, 1964 | ||||||
|
Sep 2017–May 2018 9-Month |
49.6°F (9.8°C) | 48.5°F (9.2°C) |
1.1°F (0.6°C) | 95th Coolest | Coolest since: 2015 | 1978 |
| 33rd Warmest | Warmest since: 2017 | 2012 | ||||
| Ties: 1925, 1938, 1941, 2019 | ||||||
|
Aug 2017–May 2018 10-Month |
52.0°F (11.1°C) | 51.3°F (10.7°C) |
0.7°F (0.4°C) | 85th Coolest | Coolest since: 2015 | 1978 |
| 43rd Warmest | Warmest since: 2017 | 2012 | ||||
| Ties: 1909, 1937, 1953, 2011 | ||||||
|
Jul 2017–May 2018 11-Month |
54.5°F (12.5°C) | 53.7°F (12.1°C) |
0.8°F (0.4°C) | 87th Coolest | Coolest since: 2015 | 1918 |
| 41st Warmest | Warmest since: 2017 | 2012 | ||||
| Ties: 1919, 1941 | ||||||
|
Jun 2017–May 2018 12-Month |
56.2°F (13.4°C) | 55.4°F (13.0°C) |
0.8°F (0.4°C) | 88th Coolest | Coolest since: 2015 | 1904, 1918 |
| 40th Warmest | Warmest since: 2017 | 2012 | ||||
| Ties: 1919, 1995 | ||||||
|
Dec 2016–May 2018 18-Month |
53.7°F (12.1°C) | 51.6°F (10.9°C) |
2.1°F (1.2°C) | 116th Coolest | Coolest since: 2016 | 1979 |
| 11th Warmest | Warmest since: 2017 | 2017 | ||||
| Ties: 1939, 1992 | ||||||
|
Jun 2016–May 2018 24-Month |
57.8°F (14.3°C) | 55.4°F (13.0°C) |
2.4°F (1.3°C) | 123rd Coolest | Coolest since: 2016 | 1905, 1978 |
| 4th Warmest | Warmest since: 2017 | 2017 | ||||
| Ties: 2000 | ||||||
|
Jun 2015–May 2018 36-Month |
58.0°F (14.4°C) | 55.4°F (13.0°C) |
2.6°F (1.4°C) | 125th Coolest | Coolest since: 2017 | 1979 |
| 1st Warmest | Warmest to Date | 2018 | ||||
|
Jun 2014–May 2018 48-Month |
57.1°F (13.9°C) | 55.3°F (12.9°C) |
1.8°F (1.0°C) | 121st Coolest | Coolest since: 2017 | 1980 |
| 4th Warmest | Warmest since: 1935 | 2019 | ||||
|
Jun 2013–May 2018 60-Month |
56.5°F (13.6°C) | 55.4°F (13.0°C) |
1.1°F (0.6°C) | 106th Coolest | Coolest since: 2017 | 1979, 1980, 1981 |
| 18th Warmest | Warmest since: 2017 | 2020 | ||||
| Ties: 1956, 2017 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published June 2022, retrieved on July 4, 2022 from https://www.ncei.noaa.gov/cag/