Weather Records on 20 December 1931

536 weather records were set or tied worldwide on 20 December 1931. Highest significance: Palermo, IT.

Key Facts for 20 December 1931

On 20 December 1931, 536 weather records were set or tied at long-record stations worldwide.
472 were record highs and 24 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 29 monthly and 507 daily.
Palermo set a daily record precipitation of 60.3 mm (2.4 in) on 20 December 1931.
Across 163 earlier years (1793 to 2025) the same calendar date averaged 467 records.

Record Map

536 stations

536 station records on 20 December 1931 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 December 1931: highest significance records shown on the map
Station	Country	Type	Value	Significance
Palermo	Italy	Record daily precipitation	60.3 mm (2.4 in)	56 of 100 (Notable)
Hvar	Croatia	Record low maximum temperature	3.0 C (37.4 F)	34 of 100 (Routine)
Tada	India	Record daily precipitation	67.3 mm (2.6 in)	31 of 100 (Routine)
Cape May 2 NW	United States	Record high maximum temperature	15.6 C (60.1 F)	29 of 100 (Routine)
Athens	United States	Record high minimum temperature	15.0 C (59.0 F)	28 of 100 (Routine)
Santuck	United States	Record high maximum temperature	27.8 C (82.0 F)	28 of 100 (Routine)
Satyavedu	India	Record daily precipitation	69.6 mm (2.7 in)	27 of 100 (Routine)
Gudur	India	Record daily precipitation	56.6 mm (2.2 in)	27 of 100 (Routine)
Columbia 2SSE	United States	Record high minimum temperature	12.8 C (55.0 F)	27 of 100 (Routine)
Rock House	United States	Record high maximum temperature	21.7 C (71.1 F)	26 of 100 (Routine)
Bolivar Wtr Wks	United States	Record high minimum temperature	16.1 C (61.0 F)	25 of 100 (Routine)
Rogersville 1 NE	United States	Record high minimum temperature	12.8 C (55.0 F)	25 of 100 (Routine)
Rocky Mt	United States	Record high minimum temperature	13.9 C (57.0 F)	25 of 100 (Routine)
Mulyie	Australia	Record daily precipitation	28.4 mm (1.1 in)	24 of 100 (Routine)
Scottsboro	United States	Record high minimum temperature	15.0 C (59.0 F)	24 of 100 (Routine)
Union Springs 9 S	United States	Record high minimum temperature	17.2 C (63.0 F)	24 of 100 (Routine)
Athens	United States	Record high maximum temperature	23.9 C (75.0 F)	24 of 100 (Routine)
Lake	United States	Record high minimum temperature	16.1 C (61.0 F)	24 of 100 (Routine)
Chattanooga Wb City	United States	Record high maximum temperature	21.1 C (70.0 F)	24 of 100 (Routine)
Greensboro	United States	Record high minimum temperature	17.2 C (63.0 F)	23 of 100 (Routine)
Dahlonega 4WSW	United States	Record high maximum temperature	22.2 C (72.0 F)	23 of 100 (Routine)
Ft Gaines	United States	Record high maximum temperature	27.2 C (81.0 F)	23 of 100 (Routine)
Hattiesburg 5SW	United States	Record high minimum temperature	18.3 C (64.9 F)	23 of 100 (Routine)
Monroe 2 SE	United States	Record high maximum temperature	28.9 C (84.0 F)	23 of 100 (Routine)
Southport 5 N	United States	Record high maximum temperature	23.9 C (75.0 F)	23 of 100 (Routine)
Greenville Dwtn AP	United States	Record high maximum temperature	25.6 C (78.1 F)	23 of 100 (Routine)
Wallajah	India	Record daily precipitation	44.7 mm (1.8 in)	22 of 100 (Routine)
Laurel 3 W	United States	Record high minimum temperature	7.8 C (46.0 F)	22 of 100 (Routine)
Raleigh State UNIV	United States	Record high maximum temperature	25.6 C (78.1 F)	22 of 100 (Routine)
Sewanee	United States	Record high maximum temperature	21.1 C (70.0 F)	22 of 100 (Routine)
Tullahoma	United States	Record high maximum temperature	22.2 C (72.0 F)	22 of 100 (Routine)
Kancheepuram	India	Record daily precipitation	51.6 mm (2.0 in)	21 of 100 (Routine)
Decatur	United States	Record high minimum temperature	13.9 C (57.0 F)	21 of 100 (Routine)
Eufaula	United States	Record high maximum temperature	26.7 C (80.1 F)	21 of 100 (Routine)
Selma	United States	Record high minimum temperature	17.2 C (63.0 F)	21 of 100 (Routine)
Hawkinsville	United States	Record high minimum temperature	16.7 C (62.1 F)	21 of 100 (Routine)
Frederick Police Brks	United States	Record high minimum temperature	8.3 C (46.9 F)	21 of 100 (Routine)
Waynesville 1 E	United States	Record high maximum temperature	22.2 C (72.0 F)	21 of 100 (Routine)
Ashwood	United States	Record high maximum temperature	21.1 C (70.0 F)	21 of 100 (Routine)
Hot Springs	United States	Record high minimum temperature	11.7 C (53.1 F)	21 of 100 (Routine)
Chattanooga Wb City	United States	Record high minimum temperature	14.4 C (57.9 F)	21 of 100 (Routine)
Puttur	India	Record daily precipitation	32.5 mm (1.3 in)	20 of 100 (Routine)
Sotchi	Russia	Record low minimum temperature	-3.5 C (25.7 F)	20 of 100 (Routine)
Clanton	United States	Record high minimum temperature	15.0 C (59.0 F)	20 of 100 (Routine)
Edenton	United States	Record high minimum temperature	12.8 C (55.0 F)	20 of 100 (Routine)
Lewisburg Exp STN	United States	Record high maximum temperature	20.0 C (68.0 F)	20 of 100 (Routine)
Mc Minnville	United States	Record high maximum temperature	23.3 C (73.9 F)	20 of 100 (Routine)
Point Pleasant	United States	Record high minimum temperature	8.9 C (48.0 F)	20 of 100 (Routine)
Hohenpeissenberg	Germany	Record low maximum temperature	-11.1 C (12.0 F)	19 of 100 (Routine)
Sullurpet	India	Record daily precipitation	35.1 mm (1.4 in)	19 of 100 (Routine)
Attingal	India	Record daily precipitation	40.6 mm (1.6 in)	19 of 100 (Routine)
Florence	United States	Record high maximum temperature	21.7 C (71.1 F)	19 of 100 (Routine)
Alapaha Exp STN	United States	Record high minimum temperature	16.1 C (61.0 F)	19 of 100 (Routine)
Waycross 4 NE	United States	Record high minimum temperature	18.9 C (66.0 F)	19 of 100 (Routine)
Marengo	United States	Record high maximum temperature	15.6 C (60.1 F)	19 of 100 (Routine)
Charlotte Wb City	United States	Record high minimum temperature	15.0 C (59.0 F)	19 of 100 (Routine)
Hendersonville 1 NE	United States	Record high maximum temperature	22.2 C (72.0 F)	19 of 100 (Routine)
Highlands	United States	Record high maximum temperature	22.2 C (72.0 F)	19 of 100 (Routine)
Highlands	United States	Record high minimum temperature	12.2 C (54.0 F)	19 of 100 (Routine)
Tarboro 1 S	United States	Record high minimum temperature	13.3 C (55.9 F)	19 of 100 (Routine)

Counts by Type and Timescale

536 records

Records set or tied on 20 December 1931 by type: Highest daily maximum 208, Lowest daily maximum 13, Highest daily minimum 264, Lowest daily minimum 11, Heaviest daily rainfall 34, Heaviest daily snowfall 2, Deepest snow cover 4.

Records on 20 December 1931 by type
Record type	Records
Highest daily maximum	208
Lowest daily maximum	13
Highest daily minimum	264
Lowest daily minimum	11
Heaviest daily rainfall	34
Heaviest daily snowfall	2
Deepest snow cover	4

Records on 20 December 1931 by timescale: all-time 0, monthly 29, daily 507.

How Much Records Were Beaten By

442 broken records

Margins by which the 442 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 76.0. Ties are not counted.

Top 20 by Significance

20 December 1931

Top 20 records on 20 December 1931 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 December 1931	Palermo, IT	daily rain	60.3 mm (2.4 in)	30.3 mm (1.2 in)	39 years	56 of 100 (Notable)
20 December 1931	Hvar, HR	daily low max	3.0 C (37.4 F)	3.8 C (6.8 F)	53 years	34 of 100 (Routine)
20 December 1931	Tada, IN	daily rain	67.3 mm (2.6 in)	59.4 mm (2.3 in)	24 years	31 of 100 (Routine)
20 December 1931	Cape May 2 NW, US	daily high max	15.6 C (60.1 F)	3.9 C (7.0 F)	53 years	29 of 100 (Routine)
20 December 1931	Athens, US	daily high min	15.0 C (59.0 F)	5.0 C (9.0 F)	41 years	28 of 100 (Routine)
20 December 1931	Santuck, US	daily high max	27.8 C (82.0 F)	8.9 C (16.0 F)	32 years	28 of 100 (Routine)
20 December 1931	Satyavedu, IN	daily rain	69.6 mm (2.7 in)	56.6 mm (2.2 in)	26 years	27 of 100 (Routine)
20 December 1931	Gudur, IN	daily rain	56.6 mm (2.2 in)	46.9 mm (1.8 in)	24 years	27 of 100 (Routine)
20 December 1931	Columbia 2SSE, US	daily high min	12.8 C (55.0 F)	8.4 C (15.1 F)	31 years	27 of 100 (Routine)
20 December 1931	Rock House, US	daily high max	21.7 C (71.1 F)	8.9 C (16.0 F)	22 years	26 of 100 (Routine)
20 December 1931	Bolivar Wtr Wks, US	daily high min	16.1 C (61.0 F)	7.2 C (13.0 F)	35 years	25 of 100 (Routine)
20 December 1931	Rogersville 1 NE, US	daily high min	12.8 C (55.0 F)	7.8 C (14.0 F)	32 years	25 of 100 (Routine)
20 December 1931	Rocky Mt, US	monthly high min	13.9 C (57.0 F)	1.1 C (2.0 F)	35 years	25 of 100 (Routine)
20 December 1931	Mulyie, AU	daily rain	28.4 mm (1.1 in)	28.4 mm (1.1 in)	36 years	24 of 100 (Routine)
20 December 1931	Scottsboro, US	daily high min	15.0 C (59.0 F)	6.1 C (11.0 F)	33 years	24 of 100 (Routine)
20 December 1931	Union Springs 9 S, US	daily high min	17.2 C (63.0 F)	6.1 C (11.0 F)	33 years	24 of 100 (Routine)
20 December 1931	Athens, US	daily high max	23.9 C (75.0 F)	3.1 C (5.6 F)	41 years	24 of 100 (Routine)
20 December 1931	Lake, US	daily high min	16.1 C (61.0 F)	6.7 C (12.1 F)	31 years	24 of 100 (Routine)
20 December 1931	Chattanooga Wb City, US	daily high max	21.1 C (70.0 F)	3.9 C (7.0 F)	41 years	24 of 100 (Routine)
20 December 1931	Greensboro, US	daily high min	17.2 C (63.0 F)	5.5 C (9.9 F)	33 years	23 of 100 (Routine)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1793 to 1931

Records set or tied on this calendar date in each year from 1793 to 1931. 1931 had 536 records.

Counts for years before the ledger starts come from the same station rules.

Records on 12-20 in each year
Year	Records
1793	1
1795	1
1804	1
1805	2
1808	1
1815	1
1828	1
1837	1
1846	1
1855	8
1858	1
1860	1
1866	1
1867	1
1868	1
1869	1
1871	2
1874	3
1875	1
1877	2
1878	1
1879	1
1880	1
1881	1
1882	1
1884	4
1885	1
1886	4
1889	4
1890	2
1891	2
1892	1
1894	2
1895	8
1896	1
1897	4
1898	2
1899	1
1900	7
1901	8
1902	14
1903	17
1904	9
1905	5
1906	5
1907	11
1908	5
1909	22
1910	17
1911	24
1912	27
1913	7
1914	43
1915	18
1916	45
1917	33
1918	18
1919	25
1920	22
1921	101
1922	88
1923	215
1924	332
1925	96
1926	163
1927	200
1928	93
1929	256
1930	67
1931	536
1932	170
1933	492
1934	265
1935	152
1936	416
1937	181
1938	240
1939	308
1940	965
1941	633
1942	817
1943	193
1944	340
1945	430
1946	327
1947	385
1948	345
1949	1,141
1950	758
1951	926
1952	394
1953	385
1954	416
1955	726
1956	471
1957	1,354
1958	382
1959	142
1960	354
1961	369
1962	475
1963	875
1964	499
1965	353
1966	555
1967	1,370
1968	482
1969	514
1970	518
1971	441
1972	448
1973	1,184
1974	328
1975	610
1976	382
1977	484
1978	910
1979	600
1980	667
1981	1,681
1982	712
1983	2,995
1984	1,411
1985	1,035
1986	321
1987	1,179
1988	760
1989	1,812
1990	1,885
1991	1,172
1992	1,134
1993	1,266
1994	813
1995	1,128
1996	1,448
1997	651
1998	1,110
1999	938
2000	1,150
2001	523
2002	943
2003	1,315
2004	836
2005	515
2006	1,387
2007	986
2008	1,356
2009	1,502
2010	2,055
2011	846
2012	1,131
2013	584
2014	524
2015	1,238
2016	603
2017	688
2018	592
2019	731
2020	554
2021	442
2022	567
2023	1,242
2024	897
2025	1,166

Download the Data

Data for records on 1931-12-20: CSV or JSON. Field meanings are on the data page.

Sources: Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 10	421
10 to 20	5
20 to 30	6
30 to 40	6
40 to 50	1
50 to 60	2
60 to 70	0
70 to 80	1