Weather Records on 3 December 1939

443 weather records were set or tied worldwide on 3 December 1939. Highest significance: Chicoutimi, CA.

Key Facts for 3 December 1939

On 3 December 1939, 443 weather records were set or tied at long-record stations worldwide.
343 were record highs and 2 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 17 monthly and 426 daily.
Chicoutimi set a daily record precipitation of 31.2 mm (1.2 in) on 3 December 1939.
Across 163 earlier years (1793 to 2025) the same calendar date averaged 467 records.

Record Map

443 stations

443 station records on 3 December 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 3 December 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Chicoutimi	Canada	Record daily precipitation	31.2 mm (1.2 in)	47 of 100 (Notable)
Drift Sands (Bos)	South Africa	Record daily precipitation	90.9 mm (3.6 in)	46 of 100 (Notable)
Angelica	United States	Record daily precipitation	30.0 mm (1.2 in)	42 of 100 (Notable)
Woodstock	Canada	Record daily precipitation	35.3 mm (1.4 in)	41 of 100 (Notable)
Orono	United States	Record daily precipitation	49.3 mm (1.9 in)	40 of 100 (Notable)
Lowville	United States	Record daily precipitation	40.4 mm (1.6 in)	40 of 100 (Notable)
Witelsbos (Bos)	South Africa	Record daily precipitation	63.0 mm (2.5 in)	37 of 100 (Notable)
Komga (Pol)	South Africa	Record daily precipitation	52.1 mm (2.1 in)	37 of 100 (Notable)
Cwebe	South Africa	Record daily precipitation	68.6 mm (2.7 in)	37 of 100 (Notable)
Westwood Store	Australia	Record daily precipitation	36.3 mm (1.4 in)	36 of 100 (Notable)
Huxley	South Africa	Record daily precipitation	41.1 mm (1.6 in)	36 of 100 (Notable)
Butterworth (Tnk)	South Africa	Record daily precipitation	39.1 mm (1.5 in)	35 of 100 (Notable)
Isidinge (Bos)	South Africa	Record daily precipitation	53.3 mm (2.1 in)	34 of 100 (Routine)
Leeuwpoort	South Africa	Record daily precipitation	41.1 mm (1.6 in)	32 of 100 (Routine)
Vlakfontein	South Africa	Record daily precipitation	41.4 mm (1.6 in)	29 of 100 (Routine)
Hamilton	Canada	Record high minimum temperature	6.7 C (44.1 F)	28 of 100 (Routine)
Fort Cunynghame (Bos)	South Africa	Record daily precipitation	37.3 mm (1.5 in)	28 of 100 (Routine)
North Lake	United States	Record daily precipitation	26.7 mm (1.1 in)	28 of 100 (Routine)
Kamloops	Canada	Record high minimum temperature	7.2 C (45.0 F)	27 of 100 (Routine)
Saint John	Canada	Record high minimum temperature	6.7 C (44.1 F)	27 of 100 (Routine)
Schoonoord	South Africa	Record daily precipitation	42.7 mm (1.7 in)	27 of 100 (Routine)
Degilbo Rail STN	Australia	Record daily precipitation	45.2 mm (1.8 in)	26 of 100 (Routine)
Nqamakwe (Tnk)	South Africa	Record daily precipitation	27.9 mm (1.1 in)	26 of 100 (Routine)
Millinocket	United States	Record daily precipitation	25.7 mm (1.0 in)	26 of 100 (Routine)
Mackay Post Office	Australia	Record high maximum temperature	34.6 C (94.3 F)	25 of 100 (Routine)
Fort Macleod	Canada	Record high maximum temperature	15.6 C (60.1 F)	25 of 100 (Routine)
Chatham	Canada	Record high maximum temperature	11.1 C (52.0 F)	25 of 100 (Routine)
Balfour (Mag)	South Africa	Record daily precipitation	36.8 mm (1.4 in)	25 of 100 (Routine)
Addison	United States	Record daily precipitation	30.0 mm (1.2 in)	25 of 100 (Routine)
Edmonton	Canada	Record high minimum temperature	1.1 C (34.0 F)	24 of 100 (Routine)
Qacu (Bos)	South Africa	Record daily precipitation	42.7 mm (1.7 in)	24 of 100 (Routine)
Ogies (Pol)	South Africa	Record daily precipitation	53.3 mm (2.1 in)	24 of 100 (Routine)
Medicine Hat A	Canada	Record high maximum temperature	16.1 C (61.0 F)	23 of 100 (Routine)
Brantford	Canada	Record high minimum temperature	5.6 C (42.1 F)	23 of 100 (Routine)
Montreal McGill	Canada	Record daily precipitation	29.5 mm (1.2 in)	23 of 100 (Routine)
Dohne (Sar)	South Africa	Record daily precipitation	47.8 mm (1.9 in)	23 of 100 (Routine)
Eastport	United States	Record daily precipitation	29.5 mm (1.2 in)	23 of 100 (Routine)
Bainbridge 2 E	United States	Record daily precipitation	25.4 mm (1.0 in)	23 of 100 (Routine)
Roodepoort	South Africa	Record daily precipitation	35.6 mm (1.4 in)	22 of 100 (Routine)
Glasgow #2	United States	Record high maximum temperature	20.6 C (69.1 F)	22 of 100 (Routine)
Cornwall	United States	Record daily precipitation	25.4 mm (1.0 in)	22 of 100 (Routine)
Rosalia	United States	Record high minimum temperature	8.3 C (46.9 F)	22 of 100 (Routine)
New Westminster	Canada	Record high minimum temperature	10.0 C (50.0 F)	21 of 100 (Routine)
Regina Int'l A	Canada	Record high maximum temperature	6.7 C (44.1 F)	21 of 100 (Routine)
Yarmouth	Canada	Record high maximum temperature	13.3 C (55.9 F)	21 of 100 (Routine)
Tshakhuma	South Africa	Record daily precipitation	86.9 mm (3.4 in)	21 of 100 (Routine)
Austin #2	United States	Record high minimum temperature	2.2 C (36.0 F)	21 of 100 (Routine)
Seattle UNIV of Washin	United States	Record high maximum temperature	15.6 C (60.1 F)	21 of 100 (Routine)
Haskinville	United States	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Alfred	United States	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Jamestown	United States	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Sarna	Sweden	Record daily precipitation	12.5 mm (0.5 in)	20 of 100 (Routine)
Oktjabrskij-Gorodok	Russia	Record daily precipitation	6.6 mm (0.26 in)	20 of 100 (Routine)
Cortland	United States	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
Ithaca Cornell UNIV	United States	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Ansonia 2 W	United States	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Calgary Int'l A	Canada	Record high maximum temperature	12.8 C (55.0 F)	20 of 100 (Routine)
Chicoutimi	Canada	Record high minimum temperature	2.8 C (37.0 F)	20 of 100 (Routine)
St Georges	Canada	Record high maximum temperature	11.1 C (52.0 F)	20 of 100 (Routine)
Malung	Sweden	Record daily precipitation	8.5 mm (0.33 in)	20 of 100 (Routine)

Counts by Type and Timescale

443 records

Records set or tied on 3 December 1939 by type: Highest daily maximum 199, Highest daily minimum 144, Lowest daily minimum 2, Heaviest daily rainfall 96, Heaviest daily snowfall 2.

Records on 3 December 1939 by type
Record type	Records
Highest daily maximum	199
Lowest daily maximum	0
Highest daily minimum	144
Lowest daily minimum	2
Heaviest daily rainfall	96
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 3 December 1939 by timescale: all-time 0, monthly 17, daily 426.

How Much Records Were Beaten By

345 broken records

Margins by which the 345 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 42.7. Ties are not counted.

Top 20 by Significance

3 December 1939

Top 20 records on 3 December 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
3 December 1939	Chicoutimi, CA	daily rain	31.2 mm (1.2 in)	21.0 mm (0.8 in)	12 years	47 of 100 (Notable)
3 December 1939	Drift Sands (Bos), ZA	daily rain	90.9 mm (3.6 in)	37.3 mm (1.5 in)	38 years	46 of 100 (Notable)
3 December 1939	Angelica, US	daily rain	30.0 mm (1.2 in)	13.5 mm (0.5 in)	45 years	42 of 100 (Notable)
3 December 1939	Woodstock, CA	daily rain	35.3 mm (1.4 in)	18.0 mm (0.7 in)	52 years	41 of 100 (Notable)
3 December 1939	Orono, US	daily rain	49.3 mm (1.9 in)	27.7 mm (1.1 in)	33 years	40 of 100 (Notable)
3 December 1939	Lowville, US	daily rain	40.4 mm (1.6 in)	16.8 mm (0.7 in)	45 years	40 of 100 (Notable)
3 December 1939	Witelsbos (Bos), ZA	daily rain	63.0 mm (2.5 in)	42.7 mm (1.7 in)	14 years	37 of 100 (Notable)
3 December 1939	Komga (Pol), ZA	daily rain	52.1 mm (2.1 in)	23.4 mm (0.9 in)	32 years	37 of 100 (Notable)
3 December 1939	Cwebe, ZA	daily rain	68.6 mm (2.7 in)	34.8 mm (1.4 in)	24 years	37 of 100 (Notable)
3 December 1939	Westwood Store, AU	daily rain	36.3 mm (1.4 in)	22.3 mm (0.9 in)	46 years	36 of 100 (Notable)
3 December 1939	Huxley, ZA	daily rain	41.1 mm (1.6 in)	26.9 mm (1.1 in)	24 years	36 of 100 (Notable)
3 December 1939	Butterworth (Tnk), ZA	daily rain	39.1 mm (1.5 in)	18.0 mm (0.7 in)	38 years	35 of 100 (Notable)
3 December 1939	Isidinge (Bos), ZA	daily rain	53.3 mm (2.1 in)	24.6 mm (1.0 in)	38 years	34 of 100 (Routine)
3 December 1939	Leeuwpoort, ZA	daily rain	41.1 mm (1.6 in)	27.9 mm (1.1 in)	24 years	32 of 100 (Routine)
3 December 1939	Vlakfontein, ZA	daily rain	41.4 mm (1.6 in)	19.8 mm (0.8 in)	32 years	29 of 100 (Routine)
3 December 1939	Hamilton, CA	daily high min	6.7 C (44.1 F)	1.7 C (3.1 F)	65 years	28 of 100 (Routine)
3 December 1939	Fort Cunynghame (Bos), ZA	daily rain	37.3 mm (1.5 in)	15.5 mm (0.6 in)	24 years	28 of 100 (Routine)
3 December 1939	North Lake, US	daily rain	26.7 mm (1.1 in)	14.5 mm (0.6 in)	17 years	28 of 100 (Routine)
3 December 1939	Kamloops, CA	monthly high min	7.2 C (45.0 F)	1.1 C (2.0 F)	39 years	27 of 100 (Routine)
3 December 1939	Saint John, CA	daily high min	6.7 C (44.1 F)	2.3 C (4.1 F)	60 years	27 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 1939

Records set or tied on this calendar date in each year from 1793 to 1939. 1939 had 443 records.

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

Records on 12-03 in each year
Year	Records
1793	1
1796	1
1797	1
1801	1
1807	1
1810	1
1816	1
1828	1
1829	2
1831	1
1832	1
1846	1
1853	1
1855	3
1856	4
1866	2
1867	1
1869	4
1870	2
1872	3
1873	1
1875	4
1876	3
1879	8
1882	3
1886	1
1887	2
1888	3
1890	2
1891	3
1892	4
1893	1
1894	1
1895	4
1896	2
1897	4
1898	2
1899	4
1900	4
1901	9
1902	13
1903	9
1904	5
1905	33
1906	23
1907	2
1908	4
1909	45
1910	8
1911	12
1912	23
1913	66
1914	74
1915	19
1916	153
1917	34
1918	29
1919	88
1920	44
1921	128
1922	68
1923	58
1924	89
1925	152
1926	189
1927	247
1928	79
1929	651
1930	131
1931	352
1932	528
1933	486
1934	270
1935	267
1936	379
1937	284
1938	347
1939	443
1940	1,023
1941	1,141
1942	595
1943	290
1944	284
1945	194
1946	443
1947	814
1948	419
1949	177
1950	689
1951	881
1952	242
1953	804
1954	493
1955	763
1956	679
1957	211
1958	583
1959	372
1960	577
1961	342
1962	923
1963	331
1964	824
1965	308
1966	1,076
1967	859
1968	646
1969	395
1970	1,247
1971	999
1972	890
1973	778
1974	661
1975	638
1976	1,315
1977	681
1978	1,406
1979	959
1980	1,128
1981	644
1982	3,010
1983	1,255
1984	645
1985	2,305
1986	801
1987	682
1988	672
1989	1,064
1990	1,178
1991	1,521
1992	776
1993	670
1994	664
1995	725
1996	694
1997	854
1998	1,969
1999	982
2000	759
2001	604
2002	977
2003	519
2004	739
2005	1,140
2006	1,167
2007	793
2008	804
2009	1,124
2010	1,879
2011	852
2012	1,355
2013	799
2014	510
2015	533
2016	347
2017	669
2018	1,043
2019	490
2020	409
2021	1,364
2022	448
2023	810
2024	709
2025	578

Download the Data

Data for records on 1939-12-03: 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).