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 October 2019. For more information, please see Climatological Rankings.
Illinois
Average Temperature Rankings, December 1998
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2018) |
Warmest/Coolest Since |
Record |
|---|---|---|---|---|---|---|
|
December 1998 1-Month |
35.1°F (1.7°C) | 29.4°F (-1.4°C) |
5.7°F (3.1°C) | 107th Coolest | Coolest since: 1997 | 1983 |
| 18th Warmest | Warmest since: 1994 | 2015 | ||||
|
Nov–Dec 1998 2-Month |
40.4°F (4.7°C) | 35.2°F (1.8°C) |
5.2°F (2.9°C) | 116th Coolest | Coolest since: 1997 | 1950 |
| 9th Warmest | Warmest since: 1994 | 2015 | ||||
| Ties: 1923 | ||||||
|
Oct–Dec 1998 3-Month |
45.8°F (7.7°C) | 41.7°F (5.4°C) |
4.1°F (2.3°C) | 119th Coolest | Coolest since: 1997 | 1976 |
| 6th Warmest | Warmest since: 1994 | 1931 | ||||
|
Sep–Dec 1998 4-Month |
52.0°F (11.1°C) | 47.7°F (8.7°C) |
4.3°F (2.4°C) | 121st Coolest | Coolest since: 1997 | 1976 |
| 4th Warmest | Warmest since: 1971 | 1931 | ||||
|
Aug–Dec 1998 5-Month |
56.6°F (13.7°C) | 52.9°F (11.6°C) |
3.7°F (2.1°C) | 121st Coolest | Coolest since: 1997 | 1976 |
| 4th Warmest | Warmest since: 1931 | 1931 | ||||
|
Jul–Dec 1998 6-Month |
59.7°F (15.4°C) | 56.6°F (13.7°C) |
3.1°F (1.7°C) | 121st Coolest | Coolest since: 1997 | 1976 |
| 4th Warmest | Warmest since: 1931 | 1931 | ||||
|
Jun–Dec 1998 7-Month |
61.5°F (16.4°C) | 58.8°F (14.9°C) |
2.7°F (1.5°C) | 121st Coolest | Coolest since: 1997 | 1917 |
| 4th Warmest | Warmest since: 1931 | 1931 | ||||
|
May–Dec 1998 8-Month |
62.2°F (16.8°C) | 59.2°F (15.1°C) |
3.0°F (1.7°C) | 123rd Coolest | Coolest since: 1997 | 1917 |
| 2nd Warmest | Warmest since: 1931 | 1931 | ||||
|
Apr–Dec 1998 9-Month |
61.1°F (16.2°C) | 58.3°F (14.6°C) |
2.8°F (1.6°C) | 121st Coolest | Coolest since: 1997 | 1917 |
| 4th Warmest | Warmest since: 1941 | 1931 | ||||
|
Mar–Dec 1998 10-Month |
59.1°F (15.1°C) | 56.5°F (13.6°C) |
2.6°F (1.5°C) | 120th Coolest | Coolest since: 1997 | 1917 |
| 5th Warmest | Warmest since: 1931 | 2012 | ||||
| Ties: 1931 | ||||||
|
Feb–Dec 1998 11-Month |
57.3°F (14.1°C) | 54.0°F (12.2°C) |
3.3°F (1.9°C) | 123rd Coolest | Coolest since: 1997 | 1917 |
| 2nd Warmest | Warmest to Date | 2012 | ||||
| Ties: 2016 | ||||||
|
Jan–Dec 1998 12-Month |
55.2°F (12.9°C) | 51.6°F (10.9°C) |
3.6°F (2.0°C) | 123rd Coolest | Coolest since: 1997 | 1917 |
| 2nd Warmest | Warmest to Date | 2012 | ||||
|
Jul 1997–Dec 1998 18-Month |
55.6°F (13.1°C) | 53.3°F (11.8°C) |
2.3°F (1.3°C) | 118th Coolest | Coolest since: 1997 | 1904 |
| 6th Warmest | Warmest since: 1931 | 2012 | ||||
| Ties: 1999 | ||||||
|
Jan 1997–Dec 1998 24-Month |
53.1°F (11.7°C) | 51.6°F (10.9°C) |
1.5°F (0.8°C) | 105th Coolest | Coolest since: 1997 | 1904, 1979 |
| 19th Warmest | Warmest since: 1991 | 2017 | ||||
| Ties: 1955, 1988, 2005 | ||||||
|
Jan 1996–Dec 1998 36-Month |
52.1°F (11.2°C) | 51.6°F (10.9°C) |
0.5°F (0.3°C) | 81st Coolest | Coolest since: 1997 | 1905 |
| 42nd Warmest | Warmest since: 1993 | 2017 | ||||
| Ties: 1936, 1953, 2014 | ||||||
|
Jan 1995–Dec 1998 48-Month |
52.0°F (11.1°C) | 51.6°F (10.9°C) |
0.4°F (0.2°C) | 74th Coolest | Coolest since: 1997 | 1905 |
| 48th Warmest | Warmest since: 1994 | 2001, 2018 | ||||
| Ties: 1947, 2016 | ||||||
|
Jan 1994–Dec 1998 60-Month |
52.0°F (11.1°C) | 51.6°F (10.9°C) |
0.4°F (0.2°C) | 75th Coolest | Coolest since: 1997 | 1905 |
| 46th Warmest | Warmest since: 1995 | 2002 | ||||
| Ties: 1940, 1943, 1949, 1954, 1989, 1995 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on December 6, 2019 from https://www.ncdc.noaa.gov/cag/