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 December 2019. 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 (1895-2019) |
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) | 125th 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) | 88th 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) | 70th Coolest | Coolest since: 2014 | 1960 |
| 56th Warmest | Warmest since: 2017 | 2012 | ||||
| Ties: 1953, 1957, 2019 | ||||||
|
Feb–May 2018 4-Month |
51.4°F (10.8°C) | 50.0°F (10.0°C) |
1.4°F (0.8°C) | 88th 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) | 71st Coolest | Coolest since: 2015 | 1978 |
| 55th 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) | 73rd Coolest | Coolest since: 2015 | 1978 |
| 52nd 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) | 79th Coolest | Coolest since: 2015 | 1978 |
| 46th Warmest | Warmest since: 2017 | 2012 | ||||
| Ties: 1941, 1983, 1988, 1990 | ||||||
|
Oct 2017–May 2018 8-Month |
47.0°F (8.3°C) | 46.0°F (7.8°C) |
1.0°F (0.5°C) | 90th Coolest | Coolest since: 2015 | 1978 |
| 35th 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) | 93rd Coolest | Coolest since: 2015 | 1978 |
| 32nd Warmest | Warmest since: 2017 | 2012 | ||||
| Ties: 1925, 1938, 1941 | ||||||
|
Aug 2017–May 2018 10-Month |
52.0°F (11.1°C) | 51.3°F (10.7°C) |
0.7°F (0.4°C) | 84th Coolest | Coolest since: 2015 | 1978 |
| 41st 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) | 86th Coolest | Coolest since: 2015 | 1918 |
| 39th 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) | 87th Coolest | Coolest since: 2015 | 1904, 1918 |
| 38th 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) | 113th 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) | 120th 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) | 122nd 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) | 119th Coolest | Coolest since: 2017 | 1980 |
| 3rd 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 |
| 15th Warmest | Warmest since: 2017 | 1935, 2019 | ||||
| Ties: 1956, 2017 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published January 2020, retrieved on January 23, 2020 from https://www.ncdc.noaa.gov/cag/