Weather Records on 27 December 1963

243 weather records were set or tied worldwide on 27 December 1963. Highest significance: Aracati, BR.

Key Facts for 27 December 1963

On 27 December 1963, 243 weather records were set or tied at long-record stations worldwide.
24 were record highs and 54 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 6 monthly and 235 daily.
Aracati set a daily record precipitation of 50.9 mm (2.0 in) on 27 December 1963.
Across 150 earlier years (1793 to 2025) the same calendar date averaged 541 records.

Record Map

243 stations

243 station records on 27 December 1963 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 December 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Aracati	Brazil	Record daily precipitation	50.9 mm (2.0 in)	57 of 100 (Notable)
Uniao Dos Palmares	Brazil	Record daily precipitation	53.0 mm (2.1 in)	56 of 100 (Notable)
Hart 3 WSW	United States	Record daily snowfall	20.3 cm (8.0 in)	50 of 100 (Notable)
Saboeiro	Brazil	Record daily precipitation	64.5 mm (2.5 in)	48 of 100 (Notable)
Junqueiro	Brazil	Record daily precipitation	68.2 mm (2.7 in)	48 of 100 (Notable)
Rogersville 1 NE	United States	Record snow depth	15.2 cm (6.0 in)	48 of 100 (Notable)
Feiticeiro	Brazil	Record daily precipitation	48.7 mm (1.9 in)	46 of 100 (Notable)
Atalaia	Brazil	Record daily precipitation	68.5 mm (2.7 in)	46 of 100 (Notable)
Columinjuba	Brazil	Record daily precipitation	80.0 mm (3.1 in)	44 of 100 (Notable)
Pennington Gap	United States	Record snow depth	17.8 cm (7.0 in)	44 of 100 (Notable)
Chorozinho	Brazil	Record daily precipitation	55.2 mm (2.2 in)	43 of 100 (Notable)
Itapeim	Brazil	Record daily precipitation	85.2 mm (3.4 in)	43 of 100 (Notable)
Sao Bento Do Una	Brazil	Record daily precipitation	56.5 mm (2.2 in)	43 of 100 (Notable)
Anadia	Brazil	Record daily precipitation	42.4 mm (1.7 in)	42 of 100 (Notable)
Acude Riachao	Brazil	Record daily precipitation	57.6 mm (2.3 in)	40 of 100 (Notable)
Morada Nova	Brazil	Record daily precipitation	35.3 mm (1.4 in)	39 of 100 (Notable)
Emmett 2 E	United States	Record daily snowfall	10.2 cm (4.0 in)	39 of 100 (Notable)
Huntingdon	Canada	Record low maximum temperature	-17.8 C (0.0 F)	37 of 100 (Notable)
Paintsville 1E	United States	Record snow depth	17.8 cm (7.0 in)	37 of 100 (Notable)
Crateus	Brazil	Record daily precipitation	47.5 mm (1.9 in)	36 of 100 (Notable)
Brejo da Madre de Deus	Brazil	Record daily precipitation	92.0 mm (3.6 in)	36 of 100 (Notable)
Saentis	Switzerland	Record high minimum temperature	-2.4 C (27.7 F)	34 of 100 (Routine)
Marianna 2 S	United States	Record snow depth	10.2 cm (4.0 in)	34 of 100 (Routine)
Sao Joao Do Jaguaribe	Brazil	Record daily precipitation	26.6 mm (1.0 in)	33 of 100 (Routine)
Parau	Brazil	Record daily precipitation	50.0 mm (2.0 in)	33 of 100 (Routine)
Allardt	United States	Record snow depth	17.8 cm (7.0 in)	33 of 100 (Routine)
Campo Maior	Brazil	Record daily precipitation	81.0 mm (3.2 in)	32 of 100 (Routine)
Sertania (Alagoa de Baixo)	Brazil	Record daily precipitation	38.1 mm (1.5 in)	32 of 100 (Routine)
Port Hastings	Canada	Record low maximum temperature	-9.4 C (15.1 F)	32 of 100 (Routine)
Santo Antonio	Brazil	Record daily precipitation	85.0 mm (3.3 in)	31 of 100 (Routine)
Suassurana	Brazil	Record daily precipitation	51.2 mm (2.0 in)	31 of 100 (Routine)
Sao Jose de Mipibu	Brazil	Record daily precipitation	25.1 mm (1.0 in)	31 of 100 (Routine)
Acude Varzea da Volta	Brazil	Record daily precipitation	45.0 mm (1.8 in)	30 of 100 (Routine)
Parrsboro	Canada	Record low minimum temperature	-27.8 C (-18.0 F)	30 of 100 (Routine)
Hayward Rs	United States	Record daily snowfall	6.4 cm (2.5 in)	30 of 100 (Routine)
Catarina	Brazil	Record daily precipitation	30.2 mm (1.2 in)	29 of 100 (Routine)
Missao Velha	Brazil	Record daily precipitation	58.8 mm (2.3 in)	29 of 100 (Routine)
Vicosa	Brazil	Record daily precipitation	27.3 mm (1.1 in)	29 of 100 (Routine)
Collingwood	Canada	Record low maximum temperature	-11.7 C (10.9 F)	29 of 100 (Routine)
Hopkinsville	United States	Record snow depth	10.2 cm (4.0 in)	29 of 100 (Routine)
Acarape	Brazil	Record daily precipitation	30.0 mm (1.2 in)	28 of 100 (Routine)
Caldwell	United States	Record daily snowfall	6.4 cm (2.5 in)	28 of 100 (Routine)
Arrojado	Brazil	Record daily precipitation	56.3 mm (2.2 in)	27 of 100 (Routine)
Mabel Downs	Australia	Record daily precipitation	58.9 mm (2.3 in)	26 of 100 (Routine)
Conceicao	Brazil	Record daily precipitation	62.0 mm (2.4 in)	26 of 100 (Routine)
St Margaret's Bay	Canada	Record low minimum temperature	-26.1 C (-15.0 F)	26 of 100 (Routine)
Palmetto	United States	Record snow depth	10.2 cm (4.0 in)	26 of 100 (Routine)
Sussex	Canada	Record low minimum temperature	-28.3 C (-18.9 F)	25 of 100 (Routine)
Allegan 5NE	United States	Record daily snowfall	12.7 cm (5.0 in)	25 of 100 (Routine)
Afogados da Ingazeira (Dnocs)	Brazil	Record daily precipitation	37.6 mm (1.5 in)	24 of 100 (Routine)
Lennoxville	Canada	Record low minimum temperature	-35.0 C (-31.0 F)	24 of 100 (Routine)
Aberdeen Exp STN	United States	Record snow depth	27.9 cm (11.0 in)	24 of 100 (Routine)
Collegeville	Canada	Record low maximum temperature	-16.7 C (1.9 F)	23 of 100 (Routine)
San Andres	Mexico	Record low minimum temperature	10.0 C (50.0 F)	23 of 100 (Routine)
Ellensburg	United States	Record daily snowfall	8.9 cm (3.5 in)	23 of 100 (Routine)
Santana Do Cariri	Brazil	Record daily precipitation	61.3 mm (2.4 in)	22 of 100 (Routine)
Huntingdon	Canada	Record low minimum temperature	-23.9 C (-11.0 F)	22 of 100 (Routine)
Big Falls	United States	Record daily snowfall	7.6 cm (3.0 in)	22 of 100 (Routine)
Dansville	United States	Record daily snowfall	5.1 cm (2.0 in)	22 of 100 (Routine)
Sherbrooke	Canada	Record low minimum temperature	-30.6 C (-23.1 F)	21 of 100 (Routine)

Counts by Type and Timescale

243 records

Records set or tied on 27 December 1963 by type: Highest daily maximum 17, Lowest daily maximum 22, Highest daily minimum 7, Lowest daily minimum 32, Heaviest daily rainfall 101, Heaviest daily snowfall 22, Deepest snow cover 42.

Records on 27 December 1963 by type
Record type	Records
Highest daily maximum	17
Lowest daily maximum	22
Highest daily minimum	7
Lowest daily minimum	32
Heaviest daily rainfall	101
Heaviest daily snowfall	22
Deepest snow cover	42

Records on 27 December 1963 by timescale: all-time 2, monthly 6, daily 235.

How Much Records Were Beaten By

195 broken records

Margins by which the 195 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 153.0. Ties are not counted.

Top 20 by Significance

27 December 1963

Top 20 records on 27 December 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 December 1963	Aracati, BR	daily rain	50.9 mm (2.0 in)	43.1 mm (1.7 in)	40 years	57 of 100 (Notable)
27 December 1963	Uniao Dos Palmares, BR	daily rain	53.0 mm (2.1 in)	49.9 mm (2.0 in)	38 years	56 of 100 (Notable)
27 December 1963	Hart 3 WSW, US	daily snowfall	20.3 cm (8.0 in)	10.1 cm (4.0 in)	60 years	50 of 100 (Notable)
27 December 1963	Saboeiro, BR	daily rain	64.5 mm (2.5 in)	61.5 mm (2.4 in)	20 years	48 of 100 (Notable)
27 December 1963	Junqueiro, BR	daily rain	68.2 mm (2.7 in)	60.5 mm (2.4 in)	12 years	48 of 100 (Notable)
27 December 1963	Rogersville 1 NE, US	daily snow depth	15.2 cm (6.0 in)	10.1 cm (4.0 in)	63 years	48 of 100 (Notable)
27 December 1963	Feiticeiro, BR	daily rain	48.7 mm (1.9 in)	37.2 mm (1.5 in)	20 years	46 of 100 (Notable)
27 December 1963	Atalaia, BR	daily rain	68.5 mm (2.7 in)	58.1 mm (2.3 in)	5 years	46 of 100 (Notable)
27 December 1963	Columinjuba, BR	daily rain	80.0 mm (3.1 in)	50.0 mm (2.0 in)	2 years	44 of 100 (Notable)
27 December 1963	Pennington Gap, US	daily snow depth	17.8 cm (7.0 in)	10.2 cm (4.0 in)	28 years	44 of 100 (Notable)
27 December 1963	Chorozinho, BR	daily rain	55.2 mm (2.2 in)	41.1 mm (1.6 in)	24 years	43 of 100 (Notable)
27 December 1963	Itapeim, BR	daily rain	85.2 mm (3.4 in)	76.7 mm (3.0 in)	2 years	43 of 100 (Notable)
27 December 1963	Sao Bento Do Una, BR	daily rain	56.5 mm (2.2 in)	48.8 mm (1.9 in)	29 years	43 of 100 (Notable)
27 December 1963	Anadia, BR	daily rain	42.4 mm (1.7 in)	28.3 mm (1.1 in)	37 years	42 of 100 (Notable)
27 December 1963	Acude Riachao, BR	monthly rain	57.6 mm (2.3 in)	12.4 mm (0.5 in)	30 years	40 of 100 (Notable)
27 December 1963	Morada Nova, BR	daily rain	35.3 mm (1.4 in)	35.3 mm (1.4 in)	50 years	39 of 100 (Notable)
27 December 1963	Emmett 2 E, US	daily snowfall	10.2 cm (4.0 in)	8.9 cm (3.5 in)	30 years	39 of 100 (Notable)
27 December 1963	Huntingdon, CA	daily low max	-17.8 C (0.0 F)	4.5 C (8.1 F)	75 years	37 of 100 (Notable)
27 December 1963	Paintsville 1E, US	daily snow depth	17.8 cm (7.0 in)	10.2 cm (4.0 in)	28 years	37 of 100 (Notable)
27 December 1963	Crateus, BR	daily rain	47.5 mm (1.9 in)	35.5 mm (1.4 in)	29 years	36 of 100 (Notable)

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 1963

Records set or tied on this calendar date in each year from 1793 to 1963. 1963 had 243 records.

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

Records on 12-27 in each year
Year	Records
1793	2
1798	2
1810	1
1839	2
1845	1
1849	1
1860	2
1862	1
1868	1
1869	1
1872	3
1875	1
1876	2
1881	1
1882	2
1886	1
1889	3
1890	1
1891	2
1892	4
1894	6
1896	5
1897	6
1898	5
1899	3
1900	4
1901	4
1902	6
1903	12
1904	21
1905	9
1906	8
1907	38
1908	3
1909	25
1910	13
1911	12
1912	51
1913	24
1914	44
1915	42
1916	43
1917	67
1918	42
1919	188
1920	148
1921	336
1922	37
1923	292
1924	340
1925	509
1926	208
1927	175
1928	282
1929	394
1930	142
1931	314
1932	219
1933	474
1934	199
1935	706
1936	972
1937	241
1938	396
1939	429
1940	526
1941	204
1942	880
1943	246
1944	274
1945	406
1946	878
1947	356
1948	445
1949	730
1950	481
1951	266
1952	118
1953	241
1954	511
1955	533
1956	628
1957	316
1958	425
1959	1,114
1960	385
1961	217
1962	490
1963	243
1964	897
1965	473
1966	715
1967	817
1968	993
1969	778
1970	352
1971	1,207
1972	401
1973	819
1974	782
1975	622
1976	613
1977	815
1978	775
1979	578
1980	1,778
1981	832
1982	1,449
1983	2,382
1984	814
1985	821
1986	484
1987	2,166
1988	1,855
1989	925
1990	880
1991	477
1992	500
1993	1,329
1994	1,122
1995	1,317
1996	1,758
1997	850
1998	924
1999	867
2000	1,392
2001	642
2002	944
2003	1,242
2004	853
2005	913
2006	965
2007	838
2008	1,708
2009	1,005
2010	1,851
2011	1,094
2012	1,118
2013	506
2014	482
2015	2,877
2016	884
2017	1,415
2018	1,039
2019	558
2020	402
2021	1,532
2022	1,025
2023	750
2024	680
2025	1,100

Download the Data

Data for records on 1963-12-27: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 20	124
20 to 40	34
40 to 60	21
60 to 80	8
80 to 100	1
100 to 120	6
120 to 140	0
140 to 160	1