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 January 2021. For more information, please see Climatological Rankings.
Illinois
Average Temperature Rankings, August 1978
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2020) |
Warmest/Coolest Since |
Record |
|---|---|---|---|---|---|---|
|
August 1978 1-Month |
73.0°F (22.8°C) | 73.4°F (23.0°C) |
-0.4°F (-0.2°C) | 52nd Coolest | Coolest since: 1977 | 1915 |
| 75th Warmest | Warmest since: 1975 | 1947 | ||||
| Ties: 1921, 1923, 1969 | ||||||
|
Jul–Aug 1978 2-Month |
74.0°F (23.3°C) | 74.4°F (23.6°C) |
-0.4°F (-0.3°C) | 49th Coolest | Coolest since: 1976 | 1915 |
| 78th Warmest | Warmest since: 1977 | 1936 | ||||
| Ties: 1898, 1964, 1984 | ||||||
|
Jun–Aug 1978 3-Month |
73.4°F (23.0°C) | 73.5°F (23.1°C) |
-0.1°F (-0.1°C) | 57th Coolest | Coolest since: 1977 | 1915 |
| 70th Warmest | Warmest since: 1977 | 1936 | ||||
| Ties: 1948, 1966, 1977, 1986, 2001 | ||||||
|
May–Aug 1978 4-Month |
70.2°F (21.2°C) | 70.6°F (21.4°C) |
-0.4°F (-0.2°C) | 48th Coolest | Coolest since: 1976 | 1915 |
| 79th Warmest | Warmest since: 1977 | 1934, 1936 | ||||
| Ties: 1902, 1973, 1982, 2014 | ||||||
|
Apr–Aug 1978 5-Month |
66.7°F (19.3°C) | 66.8°F (19.3°C) |
-0.1°F (0.0°C) | 54th Coolest | Coolest since: 1976 | 1907 |
| 73rd Warmest | Warmest since: 1977 | 1934 | ||||
| Ties: 1969 | ||||||
|
Mar–Aug 1978 6-Month |
61.2°F (16.2°C) | 62.3°F (16.8°C) |
-1.1°F (-0.6°C) | 25th Coolest | Coolest since: 1971 | 1904, 1950, 1960 |
| 102nd Warmest | Warmest since: 1977 | 2012 | ||||
| Ties: 1909, 1940, 1965, 1969, 1971, 1982 | ||||||
|
Feb–Aug 1978 7-Month |
54.9°F (12.7°C) | 57.6°F (14.2°C) |
-2.7°F (-1.5°C) | 5th Coolest | Coolest since: 1960 | 1904 |
| 122nd Warmest | Warmest since: 1977 | 2012 | ||||
|
Jan–Aug 1978 8-Month |
50.0°F (10.0°C) | 53.6°F (12.0°C) |
-3.6°F (-2.0°C) | 4th Coolest | Coolest since: 1912 | 1904, 1912 |
| 123rd Warmest | Warmest since: 1977 | 2012 | ||||
|
Dec 1977–Aug 1978 9-Month |
47.3°F (8.5°C) | 50.9°F (10.5°C) |
-3.6°F (-2.0°C) | 2nd Coolest | Coolest since: 1904 | 1904 |
| 124th Warmest | Warmest since: 1977 | 2012 | ||||
|
Nov 1977–Aug 1978 10-Month |
46.8°F (8.2°C) | 49.9°F (9.9°C) |
-3.1°F (-1.7°C) | 3rd Coolest | Coolest since: 1912 | 1904 |
| 123rd Warmest | Warmest since: 1977 | 2012 | ||||
|
Oct 1977–Aug 1978 11-Month |
47.2°F (8.4°C) | 50.3°F (10.2°C) |
-3.1°F (-1.8°C) | 3rd Coolest | Coolest since: 1912 | 1904 |
| 123rd Warmest | Warmest since: 1977 | 2012 | ||||
|
Sep 1977–Aug 1978 12-Month |
48.9°F (9.4°C) | 51.6°F (10.9°C) |
-2.7°F (-1.5°C) | 3rd Coolest | Coolest since: 1912 | 1904 |
| 123rd Warmest | Warmest since: 1977 | 2012 | ||||
|
Mar 1977–Aug 1978 18-Month |
54.4°F (12.4°C) | 55.2°F (12.9°C) |
-0.8°F (-0.5°C) | 28th Coolest | Coolest since: 1977 | 1904 |
| 98th Warmest | Warmest since: 1976 | 2012 | ||||
| Ties: 1962, 1967 | ||||||
|
Sep 1976–Aug 1978 24-Month |
49.5°F (9.7°C) | 51.7°F (10.9°C) |
-2.2°F (-1.2°C) | 3rd Coolest | Coolest since: 1918 | 1905 |
| 122nd Warmest | Warmest since: 1977 | 2017 | ||||
| Ties: 1918 | ||||||
|
Sep 1975–Aug 1978 36-Month |
50.5°F (10.3°C) | 51.6°F (10.9°C) |
-1.1°F (-0.6°C) | 7th Coolest | Coolest since: 1918 | 1979 |
| 117th Warmest | Warmest since: 1977 | 2018 | ||||
|
Sep 1974–Aug 1978 48-Month |
50.7°F (10.4°C) | 51.6°F (10.9°C) |
-0.9°F (-0.5°C) | 10th Coolest | Coolest since: 1970 | 1905 |
| 113th Warmest | Warmest since: 1977 | 2019 | ||||
| Ties: 1963, 1970, 1982 | ||||||
|
Sep 1973–Aug 1978 60-Month |
51.1°F (10.6°C) | 51.6°F (10.9°C) |
-0.5°F (-0.3°C) | 21st Coolest | Coolest since: 1972 | 1906 |
| 101st Warmest | Warmest since: 1977 | 2020 | ||||
| Ties: 1912, 1929, 1930, 1964, 1972, 1997 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2021, retrieved on February 26, 2021 from https://www.ncdc.noaa.gov/cag/