Weather Records on 1 December 1938

159 weather records were set or tied worldwide on 1 December 1938. Highest significance: Delmas (Pol), ZA.

Key Facts for 1 December 1938

On 1 December 1938, 159 weather records were set or tied at long-record stations worldwide.
88 were record highs and 11 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 156 daily.
Delmas (Pol) set a daily record precipitation of 81.8 mm (3.2 in) on 1 December 1938.
Across 162 earlier years (1797 to 2025) the same calendar date averaged 485 records.

Record Map

159 stations

159 station records on 1 December 1938 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 December 1938: highest significance records shown on the map
Station	Country	Type	Value	Significance
Delmas (Pol)	South Africa	Record daily precipitation	81.8 mm (3.2 in)	43 of 100 (Notable)
Rosherville (Pow)	South Africa	Record daily precipitation	60.2 mm (2.4 in)	42 of 100 (Notable)
Burrundie Railway Station	Australia	Record daily precipitation	90.7 mm (3.6 in)	38 of 100 (Notable)
Sturt Creek	Australia	Record daily precipitation	38.1 mm (1.5 in)	32 of 100 (Routine)
Moorestown 4 E	United States	Record snow depth	12.7 cm (5.0 in)	32 of 100 (Routine)
Boetsap (Pol)	South Africa	Record daily precipitation	50.3 mm (2.0 in)	31 of 100 (Routine)
Milan	Italy	Record high minimum temperature	10.3 C (50.5 F)	30 of 100 (Routine)
Jhb-Joubert Park	South Africa	Record daily precipitation	34.3 mm (1.4 in)	26 of 100 (Routine)
Brisbane Regional Office	Australia	Record high maximum temperature	34.4 C (93.9 F)	25 of 100 (Routine)
Old Halls Creek	Australia	Record low minimum temperature	15.8 C (60.4 F)	24 of 100 (Routine)
Galway	Ireland	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Gavar	Armenia	Record daily precipitation	10.6 mm (0.4 in)	20 of 100 (Routine)
Vestervig	Denmark	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Haparanda	Sweden	Record daily precipitation	9.3 mm (0.37 in)	20 of 100 (Routine)
Narsapur	India	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)
Tambrey	Australia	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Williambury	Australia	Record daily precipitation	2.0 mm (0.08 in)	20 of 100 (Routine)
Blagovescensk	Russia	Record daily precipitation	5.5 mm (0.22 in)	20 of 100 (Routine)
Elgin Water	United States	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
Norway House	Canada	Record high minimum temperature	-3.9 C (25.0 F)	20 of 100 (Routine)
Gallivare_A	Sweden	Record high minimum temperature	0.0 C (32.0 F)	20 of 100 (Routine)
Dawson	Canada	Record high minimum temperature	-7.2 C (19.0 F)	19 of 100 (Routine)
Port Jervis	United States	Record snow depth	15.2 cm (6.0 in)	19 of 100 (Routine)
Wooleen	Australia	Record daily precipitation	3.0 mm (0.12 in)	18 of 100 (Routine)
Roodepoort (Mun)	South Africa	Record daily precipitation	33.3 mm (1.3 in)	18 of 100 (Routine)
Orleans	United States	Record daily precipitation	49.5 mm (1.9 in)	18 of 100 (Routine)
Sparta 1 W	United States	Record high maximum temperature	20.0 C (68.0 F)	18 of 100 (Routine)
Marble Bar Comparison	Australia	Record daily precipitation	3.0 mm (0.12 in)	17 of 100 (Routine)
Bedetti(Behali)	India	Record daily precipitation	2.0 mm (0.08 in)	17 of 100 (Routine)
Orje	Norway	Record daily precipitation	18.5 mm (0.7 in)	17 of 100 (Routine)
Jhb-Vrededorp	South Africa	Record daily precipitation	26.4 mm (1.0 in)	17 of 100 (Routine)
Lares	Puerto Rico [United States]	Record low minimum temperature	12.8 C (55.0 F)	16 of 100 (Routine)
Cheviot Fells	South Africa	Record daily precipitation	10.7 mm (0.4 in)	16 of 100 (Routine)
Jhb-Braamfontein (Cem)	South Africa	Record daily precipitation	28.4 mm (1.1 in)	16 of 100 (Routine)
Storlien	Sweden	Record high minimum temperature	0.0 C (32.0 F)	16 of 100 (Routine)
Tombstone	United States	Record high maximum temperature	26.1 C (79.0 F)	16 of 100 (Routine)
Evanston 1 E	United States	Record daily snowfall	10.2 cm (4.0 in)	16 of 100 (Routine)
Polavaram	India	Record daily precipitation	1.8 mm (0.07 in)	15 of 100 (Routine)
Vilnius	Lithuania	Record high maximum temperature	6.9 C (44.4 F)	15 of 100 (Routine)
Svyatoy Nos;Cape(Closed)	Russia	Record high minimum temperature	1.5 C (34.7 F)	15 of 100 (Routine)
Ostrov Sosnovez	Russia	Record high minimum temperature	2.0 C (35.6 F)	15 of 100 (Routine)
De Wagendrift	South Africa	Record daily precipitation	18.5 mm (0.7 in)	15 of 100 (Routine)
Salida	United States	Record high maximum temperature	16.1 C (61.0 F)	15 of 100 (Routine)
Arcadia	United States	Record high maximum temperature	18.9 C (66.0 F)	15 of 100 (Routine)
Gettysburg	United States	Record snow depth	2.5 cm (1.0 in)	15 of 100 (Routine)
Donnybrook	Australia	Record high maximum temperature	37.8 C (100.0 F)	14 of 100 (Routine)
Fort Good Hope 2	Canada	Record daily precipitation	9.7 mm (0.38 in)	14 of 100 (Routine)
Fort Good Hope 2	Canada	Record daily snowfall	9.7 cm (3.8 in)	14 of 100 (Routine)
Tadepalligudem	India	Record daily precipitation	0.3 mm (0.01 in)	14 of 100 (Routine)
Gudivada	India	Record daily precipitation	7.6 mm (0.30 in)	14 of 100 (Routine)
Semej	Kazakhstan	Record daily precipitation	7.9 mm (0.31 in)	14 of 100 (Routine)
Troicko-Pecherskoe	Russia	Record high minimum temperature	-1.4 C (29.5 F)	14 of 100 (Routine)
Forse	Sweden	Record high minimum temperature	2.5 C (36.5 F)	14 of 100 (Routine)
Pitea	Sweden	Record high minimum temperature	2.5 C (36.5 F)	14 of 100 (Routine)
Tarnaby	Sweden	Record high minimum temperature	0.0 C (32.0 F)	14 of 100 (Routine)
Reading Wb City	United States	Record snow depth	5.1 cm (2.0 in)	14 of 100 (Routine)
Red Bluff Muni AP	United States	Record daily precipitation	13.0 mm (0.5 in)	14 of 100 (Routine)
Walebing	Australia	Record high minimum temperature	23.9 C (75.0 F)	13 of 100 (Routine)
Tobolsk	Russia	Record high minimum temperature	-2.5 C (27.5 F)	13 of 100 (Routine)
Tobolsk	Russia	Record daily precipitation	3.9 mm (0.15 in)	13 of 100 (Routine)

Counts by Type and Timescale

159 records

Records set or tied on 1 December 1938 by type: Highest daily maximum 36, Lowest daily maximum 3, Highest daily minimum 52, Lowest daily minimum 8, Heaviest daily rainfall 52, Heaviest daily snowfall 3, Deepest snow cover 5.

Records on 1 December 1938 by type
Record type	Records
Highest daily maximum	36
Lowest daily maximum	3
Highest daily minimum	52
Lowest daily minimum	8
Heaviest daily rainfall	52
Heaviest daily snowfall	3
Deepest snow cover	5

Records on 1 December 1938 by timescale: all-time 0, monthly 3, daily 156.

How Much Records Were Beaten By

115 broken records

Margins by which the 115 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

1 December 1938

Top 20 records on 1 December 1938 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 December 1938	Delmas (Pol), ZA	daily rain	81.8 mm (3.2 in)	64.0 mm (2.5 in)	0 years	43 of 100 (Notable)
1 December 1938	Rosherville (Pow), ZA	daily rain	60.2 mm (2.4 in)	41.1 mm (1.6 in)	4 years	42 of 100 (Notable)
1 December 1938	Burrundie Railway Station, AU	daily rain	90.7 mm (3.6 in)	47.8 mm (1.9 in)	33 years	38 of 100 (Notable)
1 December 1938	Sturt Creek, AU	daily rain	38.1 mm (1.5 in)	30.5 mm (1.2 in)	28 years	32 of 100 (Routine)
1 December 1938	Moorestown 4 E, US	daily snow depth	12.7 cm (5.0 in)	12.7 cm (5.0 in)	36 years	32 of 100 (Routine)
1 December 1938	Boetsap (Pol), ZA	daily rain	50.3 mm (2.0 in)	16.8 mm (0.7 in)	37 years	31 of 100 (Routine)
1 December 1938	Milan, IT	daily high min	10.3 C (50.5 F)	0.4 C (0.7 F)	65 years	30 of 100 (Routine)
1 December 1938	Jhb-Joubert Park, ZA	daily rain	34.3 mm (1.4 in)	14.7 mm (0.6 in)	33 years	26 of 100 (Routine)
1 December 1938	Brisbane Regional Office, AU	daily high max	34.4 C (93.9 F)	2.3 C (4.1 F)	43 years	25 of 100 (Routine)
1 December 1938	Old Halls Creek, AU	daily low min	15.8 C (60.4 F)	2.5 C (4.5 F)	39 years	24 of 100 (Routine)
1 December 1938	Galway, IE	daily rain	23.4 mm (0.9 in)	7.3 mm (0.29 in)	68 years	20 of 100 (Routine)
1 December 1938	Gavar, AM	daily rain	10.6 mm (0.4 in)	6.8 mm (0.27 in)	38 years	20 of 100 (Routine)
1 December 1938	Vestervig, DK	daily rain	23.4 mm (0.9 in)	8.2 mm (0.32 in)	17 years	20 of 100 (Routine)
1 December 1938	Haparanda, SE	daily rain	9.3 mm (0.37 in)	1.0 mm (0.04 in)	50 years	20 of 100 (Routine)
1 December 1938	Narsapur, IN	daily rain	8.9 mm (0.35 in)	7.9 mm (0.31 in)	27 years	20 of 100 (Routine)
1 December 1938	Tambrey, AU	daily rain	10.2 mm (0.4 in)	10.2 mm (0.4 in)	31 years	20 of 100 (Routine)
1 December 1938	Williambury, AU	daily rain	2.0 mm (0.08 in)	2.0 mm (0.08 in)	48 years	20 of 100 (Routine)
1 December 1938	Blagovescensk, RU	daily rain	5.5 mm (0.22 in)	3.2 mm (0.13 in)	1 year	20 of 100 (Routine)
1 December 1938	Elgin Water, US	daily rain	18.8 mm (0.7 in)	7.9 mm (0.31 in)	16 years	20 of 100 (Routine)
1 December 1938	Norway House, CA	daily high min	-3.9 C (25.0 F)	3.9 C (7.0 F)	37 years	20 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

1797 to 1938

Records set or tied on this calendar date in each year from 1797 to 1938. 1938 had 159 records.

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

Records on 12-01 in each year
Year	Records
1797	1
1805	1
1807	2
1810	1
1817	2
1821	1
1823	2
1831	1
1849	1
1856	3
1857	1
1858	1
1861	1
1863	1
1869	2
1871	1
1872	3
1873	6
1875	8
1876	4
1877	1
1879	7
1884	3
1885	3
1886	1
1887	2
1888	3
1889	2
1890	6
1891	1
1892	2
1893	1
1894	1
1895	4
1896	4
1897	10
1898	5
1899	4
1901	5
1902	7
1903	13
1904	4
1905	11
1906	3
1907	8
1908	40
1909	64
1910	39
1911	45
1912	37
1913	53
1914	142
1915	23
1916	29
1917	52
1918	32
1919	78
1920	192
1921	55
1922	85
1923	70
1924	135
1925	145
1926	115
1927	271
1928	85
1929	515
1930	128
1931	337
1932	383
1933	656
1934	667
1935	164
1936	433
1937	238
1938	159
1939	346
1940	300
1941	391
1942	424
1943	93
1944	478
1945	259
1946	224
1947	392
1948	252
1949	313
1950	437
1951	585
1952	762
1953	283
1954	308
1955	624
1956	338
1957	295
1958	531
1959	355
1960	258
1961	373
1962	1,073
1963	282
1964	1,181
1965	598
1966	995
1967	601
1968	883
1969	673
1970	1,299
1971	574
1972	843
1973	888
1974	1,339
1975	1,007
1976	1,294
1977	1,166
1978	777
1979	874
1980	1,019
1981	1,320
1982	1,759
1983	1,275
1984	513
1985	3,874
1986	803
1987	1,020
1988	538
1989	822
1990	514
1991	2,124
1992	552
1993	597
1994	717
1995	1,386
1996	1,448
1997	736
1998	1,698
1999	790
2000	777
2001	1,211
2002	637
2003	627
2004	1,033
2005	815
2006	2,866
2007	1,427
2008	879
2009	927
2010	1,991
2011	947
2012	1,027
2013	400
2014	677
2015	850
2016	384
2017	496
2018	807
2019	803
2020	567
2021	2,030
2022	584
2023	609
2024	636
2025	679

Download the Data

Data for records on 1938-12-01: 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 20	106
20 to 40	4
40 to 60	2
60 to 80	2
80 to 100	0
100 to 120	0
120 to 140	1