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 January 2021. For more information, please see Climatological Rankings.
Illinois, Climate Division 8. Southwest
Average Temperature Rankings, May 2020
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2020) |
Warmest/Coolest Since |
Record |
|---|---|---|---|---|---|---|
|
May 2020 1-Month |
63.3°F (17.4°C) | 65.1°F (18.4°C) |
-1.8°F (-1.0°C) | 36th Coolest | Coolest since: 2008 | 1917, 1924 |
| 91st Warmest | Warmest since: 2019 | 2018 | ||||
| Ties: 1901 | ||||||
|
Apr–May 2020 2-Month |
58.4°F (14.7°C) | 60.2°F (15.7°C) |
-1.8°F (-1.0°C) | 22nd Coolest | Coolest since: 2008 | 1907 |
| 105th Warmest | Warmest since: 2019 | 1896 | ||||
| Ties: 1909, 1931 | ||||||
|
Mar–May 2020 3-Month |
55.5°F (13.1°C) | 55.0°F (12.8°C) |
0.5°F (0.3°C) | 71st Coolest | Coolest since: 2019 | 1960 |
| 56th Warmest | Warmest since: 2019 | 2012 | ||||
| Ties: 1953, 1957, 2018, 2019 | ||||||
|
Feb–May 2020 4-Month |
51.0°F (10.6°C) | 50.0°F (10.0°C) |
1.0°F (0.6°C) | 84th Coolest | Coolest since: 2019 | 1978 |
| 43rd Warmest | Warmest since: 2019 | 2012 | ||||
| Ties: 1981, 1985, 2019 | ||||||
|
Jan–May 2020 5-Month |
48.1°F (8.9°C) | 46.1°F (7.8°C) |
2.0°F (1.1°C) | 97th Coolest | Coolest since: 2019 | 1978 |
| 30th Warmest | Warmest since: 2017 | 2012 | ||||
|
Dec 2019–May 2020 6-Month |
46.8°F (8.2°C) | 44.3°F (6.8°C) |
2.5°F (1.4°C) | 113th Coolest | Coolest since: 2019 | 1978 |
| 13th Warmest | Warmest since: 2017 | 2012 | ||||
|
Nov 2019–May 2020 7-Month |
45.7°F (7.6°C) | 44.3°F (6.8°C) |
1.4°F (0.8°C) | 97th Coolest | Coolest since: 2019 | 1978 |
| 29th Warmest | Warmest since: 2017 | 2012 | ||||
| Ties: 1896, 1922, 1925 | ||||||
|
Oct 2019–May 2020 8-Month |
47.2°F (8.4°C) | 46.0°F (7.8°C) |
1.2°F (0.6°C) | 94th Coolest | Coolest since: 2019 | 1978 |
| 32nd Warmest | Warmest since: 2017 | 2012 | ||||
| Ties: 1938, 1941 | ||||||
|
Sep 2019–May 2020 9-Month |
50.3°F (10.2°C) | 48.5°F (9.2°C) |
1.8°F (1.0°C) | 108th Coolest | Coolest since: 2019 | 1978 |
| 18th Warmest | Warmest since: 2017 | 2012 | ||||
| Ties: 1954, 1992 | ||||||
|
Aug 2019–May 2020 10-Month |
53.0°F (11.7°C) | 51.3°F (10.7°C) |
1.7°F (1.0°C) | 111th Coolest | Coolest since: 2019 | 1978 |
| 15th Warmest | Warmest since: 2017 | 2012 | ||||
| Ties: 1942, 1954, 1972, 1992 | ||||||
|
Jul 2019–May 2020 11-Month |
55.3°F (12.9°C) | 53.7°F (12.1°C) |
1.6°F (0.8°C) | 110th Coolest | Coolest since: 2019 | 1918 |
| 16th Warmest | Warmest since: 2017 | 2012 | ||||
| Ties: 1992, 2004 | ||||||
|
Jun 2019–May 2020 12-Month |
56.8°F (13.8°C) | 55.4°F (13.0°C) |
1.4°F (0.8°C) | 107th Coolest | Coolest since: 2019 | 1904, 1918 |
| 19th Warmest | Warmest since: 2017 | 2012 | ||||
| Ties: 1934, 1953, 1987, 2002 | ||||||
|
Dec 2018–May 2020 18-Month |
53.2°F (11.8°C) | 51.7°F (10.9°C) |
1.5°F (0.9°C) | 107th Coolest | Coolest since: 2019 | 1979 |
| 18th Warmest | Warmest since: 2018 | 2017 | ||||
| Ties: 1935, 1942 | ||||||
|
Jun 2018–May 2020 24-Month |
56.7°F (13.7°C) | 55.4°F (13.0°C) |
1.3°F (0.7°C) | 109th Coolest | Coolest since: 2019 | 1905, 1978 |
| 16th Warmest | Warmest since: 2018 | 2017 | ||||
| Ties: 1939 | ||||||
|
Jun 2017–May 2020 36-Month |
56.5°F (13.6°C) | 55.3°F (12.9°C) |
1.2°F (0.7°C) | 104th Coolest | Coolest since: 2016 | 1979 |
| 20th Warmest | Warmest since: 2019 | 2018 | ||||
| Ties: 1957, 1992, 2002 | ||||||
|
Jun 2016–May 2020 48-Month |
57.3°F (14.1°C) | 55.4°F (13.0°C) |
1.9°F (1.1°C) | 121st Coolest | Coolest since: 2018 | 1980 |
| 2nd Warmest | Warmest since: 2019 | 2019 | ||||
| Ties: 1935 | ||||||
|
Jun 2015–May 2020 60-Month |
57.5°F (14.2°C) | 55.4°F (13.0°C) |
2.1°F (1.2°C) | 121st Coolest | Coolest since: 2019 | 1979, 1980, 1981 |
| 1st Warmest | Warmest to Date | 2020 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published February 2021, retrieved on March 4, 2021 from https://www.ncdc.noaa.gov/cag/