Weather Records on 20 December 1937

181 weather records were set or tied worldwide on 20 December 1937. Highest significance: Beaufort West (Met), ZA.

Key Facts for 20 December 1937

On 20 December 1937, 181 weather records were set or tied at long-record stations worldwide.
66 were record highs and 20 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 176 daily.
Beaufort West (Met) set a monthly record daily precipitation of 96.5 mm (3.8 in) on 20 December 1937.
Across 163 earlier years (1793 to 2025) the same calendar date averaged 469 records.

Record Map

181 stations

181 station records on 20 December 1937 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 December 1937: highest significance records shown on the map
Station	Country	Type	Value	Significance
Beaufort West (Met)	South Africa	Record daily precipitation	96.5 mm (3.8 in)	57 of 100 (Notable)
Marnitz	Germany	Record snow depth	20.0 cm (7.9 in)	46 of 100 (Notable)
Junction 4SSW	United States	Record daily precipitation	43.4 mm (1.7 in)	44 of 100 (Notable)
Nes Pa Hedmark	Norway	Record snow depth	44.0 cm (17.3 in)	41 of 100 (Notable)
Cumberland	South Africa	Record daily precipitation	102.1 mm (4.0 in)	39 of 100 (Notable)
Marble Bar Comparison	Australia	Record daily precipitation	48.3 mm (1.9 in)	34 of 100 (Routine)
Waukesha Wwtp	United States	Record daily snowfall	15.2 cm (6.0 in)	31 of 100 (Routine)
Oroville 1 N	United States	Record high minimum temperature	12.2 C (54.0 F)	30 of 100 (Routine)
Soltau	Germany	Record snow depth	12.0 cm (4.7 in)	29 of 100 (Routine)
Buffelsnek (Bos)	South Africa	Record daily precipitation	37.3 mm (1.5 in)	28 of 100 (Routine)
Hedrum	Norway	Record snow depth	68.0 cm (26.8 in)	26 of 100 (Routine)
Perumpavur	India	Record daily precipitation	36.8 mm (1.4 in)	25 of 100 (Routine)
Hiasen I Sigdal	Norway	Record snow depth	120.0 cm (47.2 in)	24 of 100 (Routine)
Hampton	United States	Record snow depth	30.5 cm (12.0 in)	23 of 100 (Routine)
Schreiber	Canada	Record daily snowfall	12.7 cm (5.0 in)	22 of 100 (Routine)
Berlin-Dahlem (Lfag)	Germany	Record snow depth	12.0 cm (4.7 in)	22 of 100 (Routine)
Alicedale	South Africa	Record daily precipitation	28.2 mm (1.1 in)	22 of 100 (Routine)
Oracle	United States	Record low minimum temperature	-5.0 C (23.0 F)	22 of 100 (Routine)
Bogoroditskoye-Fenino	Russia	Record high maximum temperature	5.5 C (41.9 F)	21 of 100 (Routine)
Redding Fire STN 2	United States	Record high minimum temperature	11.7 C (53.1 F)	21 of 100 (Routine)
Wupperthal	South Africa	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Uman	Ukraine	Record daily precipitation	17.6 mm (0.7 in)	20 of 100 (Routine)
Heidelberg Cape (Pol)	South Africa	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Kimball 2NE	United States	Record snow depth	7.6 cm (3.0 in)	20 of 100 (Routine)
Dunedin	South Africa	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Pte de Chassiron	France	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Barkly East	South Africa	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Schreiber	Canada	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Waukesha Wwtp	United States	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Ottawa Cda	Canada	Record low maximum temperature	-15.6 C (3.9 F)	20 of 100 (Routine)
Cheljabinsk-Balandi	Russia	Record daily precipitation	7.5 mm (0.30 in)	20 of 100 (Routine)
Mahackala	Russia	Record high minimum temperature	6.6 C (43.9 F)	20 of 100 (Routine)
Great Brak River	South Africa	Record daily precipitation	26.7 mm (1.1 in)	20 of 100 (Routine)
Laingsburg	South Africa	Record daily precipitation	7.9 mm (0.31 in)	20 of 100 (Routine)
Clontarf	Canada	Record low minimum temperature	-27.8 C (-18.0 F)	19 of 100 (Routine)
Zerbst	Germany	Record snow depth	12.0 cm (4.7 in)	19 of 100 (Routine)
Naboomspruit (Pol)	South Africa	Record daily precipitation	45.2 mm (1.8 in)	19 of 100 (Routine)
Bucuresti Filaret	Romania	Record daily precipitation	19.3 mm (0.8 in)	18 of 100 (Routine)
Klipplaat (Sar)	South Africa	Record daily precipitation	8.4 mm (0.33 in)	18 of 100 (Routine)
Uman	Ukraine	Record high maximum temperature	6.0 C (42.8 F)	18 of 100 (Routine)
Chinook	United States	Record daily precipitation	1.5 mm (0.06 in)	18 of 100 (Routine)
Ord River	Australia	Record daily precipitation	29.2 mm (1.1 in)	17 of 100 (Routine)
Bogoroditskoye-Fenino	Russia	Record high minimum temperature	1.4 C (34.5 F)	17 of 100 (Routine)
Richmond C/K (Tnk)	South Africa	Record daily precipitation	18.0 mm (0.7 in)	17 of 100 (Routine)
Poltava	Ukraine	Record high maximum temperature	8.4 C (47.1 F)	17 of 100 (Routine)
Simferopol	Ukraine	Record high maximum temperature	19.6 C (67.3 F)	17 of 100 (Routine)
Ai-Petri	Ukraine	Record high maximum temperature	12.0 C (53.6 F)	17 of 100 (Routine)
Poplar 2 E	United States	Record high maximum temperature	5.6 C (42.1 F)	17 of 100 (Routine)
Pawtucket	United States	Record high minimum temperature	2.8 C (37.0 F)	17 of 100 (Routine)
Ettrick	Australia	Record daily precipitation	46.0 mm (1.8 in)	16 of 100 (Routine)
Woodstock West	Australia	Record daily precipitation	11.2 mm (0.4 in)	16 of 100 (Routine)
Nowa Nowa (Wairewa)	Australia	Record daily precipitation	18.0 mm (0.7 in)	16 of 100 (Routine)
Ranfurly	Canada	Record high minimum temperature	-1.1 C (30.0 F)	16 of 100 (Routine)
Regina Int'l A	Canada	Record high maximum temperature	2.2 C (36.0 F)	16 of 100 (Routine)
Clontarf	Canada	Record low maximum temperature	-15.0 C (5.0 F)	16 of 100 (Routine)
Brome	Canada	Record low maximum temperature	-13.9 C (7.0 F)	16 of 100 (Routine)
Zametchino	Russia	Record high minimum temperature	0.1 C (32.2 F)	16 of 100 (Routine)
Kamferskraal	South Africa	Record daily precipitation	18.0 mm (0.7 in)	16 of 100 (Routine)
Lugansk	Ukraine	Record high maximum temperature	10.2 C (50.4 F)	16 of 100 (Routine)
Denair 3 NNE	United States	Record high minimum temperature	6.7 C (44.1 F)	16 of 100 (Routine)

Counts by Type and Timescale

181 records

Records set or tied on 20 December 1937 by type: Highest daily maximum 33, Lowest daily maximum 10, Highest daily minimum 33, Lowest daily minimum 10, Heaviest daily rainfall 67, Heaviest daily snowfall 11, Deepest snow cover 17.

Records on 20 December 1937 by type
Record type	Records
Highest daily maximum	33
Lowest daily maximum	10
Highest daily minimum	33
Lowest daily minimum	10
Heaviest daily rainfall	67
Heaviest daily snowfall	11
Deepest snow cover	17

Records on 20 December 1937 by timescale: all-time 0, monthly 5, daily 176.

How Much Records Were Beaten By

139 broken records

Margins by which the 139 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 330.0. Ties are not counted.

Top 20 by Significance

20 December 1937

Top 20 records on 20 December 1937 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 December 1937	Beaufort West (Met), ZA	monthly rain	96.5 mm (3.8 in)	31.7 mm (1.2 in)	27 years	57 of 100 (Notable)
20 December 1937	Marnitz, DE	daily snow depth	20.0 cm (7.9 in)	13.0 cm (5.1 in)	16 years	46 of 100 (Notable)
20 December 1937	Junction 4SSW, US	daily rain	43.4 mm (1.7 in)	37.6 mm (1.5 in)	11 years	44 of 100 (Notable)
20 December 1937	Nes Pa Hedmark, NO	daily snow depth	44.0 cm (17.3 in)	29.0 cm (11.4 in)	2 years	41 of 100 (Notable)
20 December 1937	Cumberland, ZA	daily rain	102.1 mm (4.0 in)	68.8 mm (2.7 in)	7 years	39 of 100 (Notable)
20 December 1937	Marble Bar Comparison, AU	daily rain	48.3 mm (1.9 in)	36.9 mm (1.5 in)	23 years	34 of 100 (Routine)
20 December 1937	Waukesha Wwtp, US	daily snowfall	15.2 cm (6.0 in)	6.3 cm (2.5 in)	39 years	31 of 100 (Routine)
20 December 1937	Oroville 1 N, US	daily high min	12.2 C (54.0 F)	5.0 C (9.0 F)	43 years	30 of 100 (Routine)
20 December 1937	Soltau, DE	daily snow depth	12.0 cm (4.7 in)	12.0 cm (4.7 in)	45 years	29 of 100 (Routine)
20 December 1937	Buffelsnek (Bos), ZA	daily rain	37.3 mm (1.5 in)	25.4 mm (1.0 in)	11 years	28 of 100 (Routine)
20 December 1937	Hedrum, NO	daily snow depth	68.0 cm (26.8 in)	20.0 cm (7.9 in)	36 years	26 of 100 (Routine)
20 December 1937	Perumpavur, IN	daily rain	36.8 mm (1.4 in)	21.6 mm (0.9 in)	31 years	25 of 100 (Routine)
20 December 1937	Hiasen I Sigdal, NO	daily snow depth	120.0 cm (47.2 in)	33.0 cm (13.0 in)	28 years	24 of 100 (Routine)
20 December 1937	Hampton, US	daily snow depth	30.5 cm (12.0 in)	15.3 cm (6.0 in)	3 years	23 of 100 (Routine)
20 December 1937	Schreiber, CA	daily snowfall	12.7 cm (5.0 in)	5.1 cm (2.0 in)	39 years	22 of 100 (Routine)
20 December 1937	Berlin-Dahlem (Lfag), DE	daily snow depth	12.0 cm (4.7 in)	6.0 cm (2.4 in)	6 years	22 of 100 (Routine)
20 December 1937	Alicedale, ZA	daily rain	28.2 mm (1.1 in)	1.8 mm (0.07 in)	50 years	22 of 100 (Routine)
20 December 1937	Oracle, US	daily low min	-5.0 C (23.0 F)	3.3 C (5.9 F)	35 years	22 of 100 (Routine)
20 December 1937	Bogoroditskoye-Fenino, RU	daily high max	5.5 C (41.9 F)	3.1 C (5.6 F)	40 years	21 of 100 (Routine)
20 December 1937	Redding Fire STN 2, US	daily high min	11.7 C (53.1 F)	2.3 C (4.1 F)	36 years	21 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 1937

Records set or tied on this calendar date in each year from 1793 to 1937. 1937 had 181 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 1937-12-20: 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 50	126
50 to 100	7
100 to 150	2
150 to 200	1
200 to 250	1
250 to 300	1
300 to 350	1