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 July 2022. For more information, please see Climatological Rankings.
Iowa
Average Temperature Rankings, December 1940
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2021) |
Warmest/Coolest Since |
Record |
|---|---|---|---|---|---|---|
|
December 1940 1-Month |
26.4°F (-3.1°C) | 22.7°F (-5.2°C) |
3.7°F (2.1°C) | 90th Coolest | Coolest since: 1938 | 1983 |
| 38th Warmest | Warmest since: 1939 | 2015 | ||||
| Ties: 1921, 1956 | ||||||
|
Nov–Dec 1940 2-Month |
29.0°F (-1.7°C) | 29.2°F (-1.6°C) |
-0.2°F (-0.1°C) | 54th Coolest | Coolest since: 1937 | 1985 |
| 74th Warmest | Warmest since: 1939 | 2001 | ||||
| Ties: 1902, 1958, 2018 | ||||||
|
Oct–Dec 1940 3-Month |
38.2°F (3.4°C) | 36.6°F (2.6°C) |
1.6°F (0.8°C) | 84th Coolest | Coolest since: 1937 | 1985 |
| 44th Warmest | Warmest since: 1939 | 1931 | ||||
|
Sep–Dec 1940 4-Month |
44.8°F (7.1°C) | 43.2°F (6.2°C) |
1.6°F (0.9°C) | 97th Coolest | Coolest since: 1937 | 1985 |
| 31st Warmest | Warmest since: 1939 | 1931 | ||||
| Ties: 1930, 1979, 2005 | ||||||
|
Aug–Dec 1940 5-Month |
49.8°F (9.9°C) | 48.8°F (9.3°C) |
1.0°F (0.6°C) | 86th Coolest | Coolest since: 1937 | 1985 |
| 42nd Warmest | Warmest since: 1939 | 1931 | ||||
| Ties: 1920, 1921, 1973, 2012, 2020 | ||||||
|
Jul–Dec 1940 6-Month |
54.2°F (12.3°C) | 53.0°F (11.7°C) |
1.2°F (0.6°C) | 99th Coolest | Coolest since: 1937 | 1985 |
| 29th Warmest | Warmest since: 1939 | 1931 | ||||
| Ties: 1948, 1949, 1956, 1980, 2005 | ||||||
|
Jun–Dec 1940 7-Month |
56.5°F (13.6°C) | 55.3°F (12.9°C) |
1.2°F (0.7°C) | 91st Coolest | Coolest since: 1937 | 1985 |
| 37th Warmest | Warmest since: 1939 | 1931 | ||||
| Ties: 1975 | ||||||
|
May–Dec 1940 8-Month |
56.7°F (13.7°C) | 55.9°F (13.3°C) |
0.8°F (0.4°C) | 85th Coolest | Coolest since: 1937 | 1917 |
| 43rd Warmest | Warmest since: 1939 | 1931 | ||||
| Ties: 2010 | ||||||
|
Apr–Dec 1940 9-Month |
55.5°F (13.1°C) | 55.0°F (12.8°C) |
0.5°F (0.3°C) | 77th Coolest | Coolest since: 1937 | 1917 |
| 51st Warmest | Warmest since: 1939 | 1931 | ||||
| Ties: 1912, 1970, 1986 | ||||||
|
Mar–Dec 1940 10-Month |
53.0°F (11.7°C) | 53.0°F (11.7°C) |
0.0°F (0.0°C) | 69th Coolest | Coolest since: 1937 | 1951 |
| 59th Warmest | Warmest since: 1939 | 2012 | ||||
| Ties: 1942, 1959, 1964, 1970, 2000 | ||||||
|
Feb–Dec 1940 11-Month |
50.3°F (10.2°C) | 50.3°F (10.2°C) |
0.0°F (0.0°C) | 68th Coolest | Coolest since: 1937 | 1917 |
| 60th Warmest | Warmest since: 1939 | 2012 | ||||
| Ties: 1901, 1925, 1968, 1970 | ||||||
|
Jan–Dec 1940 12-Month |
46.6°F (8.1°C) | 47.5°F (8.6°C) |
-0.9°F (-0.5°C) | 31st Coolest | Coolest since: 1937 | 1917 |
| 97th Warmest | Warmest since: 1939 | 2012 | ||||
| Ties: 1897, 1902, 1967, 1989 | ||||||
|
Jul 1939–Dec 1940 18-Month |
49.7°F (9.8°C) | 49.4°F (9.7°C) |
0.3°F (0.1°C) | 76th Coolest | Coolest since: 1937 | 1951 |
| 51st Warmest | Warmest since: 1939 | 2012 | ||||
| Ties: 1935, 1976, 2001 | ||||||
|
Jan 1939–Dec 1940 24-Month |
48.2°F (9.0°C) | 47.5°F (8.6°C) |
0.7°F (0.4°C) | 91st Coolest | Coolest since: 1938 | 1951 |
| 36th Warmest | Warmest since: 1939 | 1931 | ||||
| Ties: 1901, 1938, 1941, 1974, 1992, 2004 | ||||||
|
Jan 1938–Dec 1940 36-Month |
48.8°F (9.3°C) | 47.5°F (8.6°C) |
1.3°F (0.7°C) | 108th Coolest | Coolest since: 1939 | 1952 |
| 18th Warmest | Warmest since: 1935 | 2017 | ||||
| Ties: 1941, 1955, 1989 | ||||||
|
Jan 1937–Dec 1940 48-Month |
48.2°F (9.0°C) | 47.5°F (8.6°C) |
0.7°F (0.4°C) | 88th Coolest | Coolest since: 1938 | 1905 |
| 37th Warmest | Warmest since: 1939 | 1934 | ||||
| Ties: 1924, 1957, 1999 | ||||||
|
Jan 1936–Dec 1940 60-Month |
48.0°F (8.9°C) | 47.5°F (8.6°C) |
0.5°F (0.3°C) | 80th Coolest | Coolest since: 1930 | 1907 |
| 44th Warmest | Warmest since: 1939 | 1934, 2002 | ||||
| Ties: 1924, 1999, 2010 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2022, retrieved on August 13, 2022 from https://www.ncei.noaa.gov/cag/