Weather Records on 29 December 1963

285 weather records were set or tied worldwide on 29 December 1963. Highest significance: Harrismith (Tnk), ZA.

Key Facts for 29 December 1963

On 29 December 1963, 285 weather records were set or tied at long-record stations worldwide.
65 were record highs and 64 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 280 daily.
Harrismith (Tnk) set a daily record precipitation of 48.5 mm (1.9 in) on 29 December 1963.
Across 161 earlier years (1799 to 2025) the same calendar date averaged 484 records.

Record Map

285 stations

285 station records on 29 December 1963 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 29 December 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Harrismith (Tnk)	South Africa	Record daily precipitation	48.5 mm (1.9 in)	58 of 100 (Notable)
Luroy	Norway	Record daily precipitation	134.5 mm (5.3 in)	48 of 100 (Notable)
Araci	Brazil	Record daily precipitation	46.0 mm (1.8 in)	41 of 100 (Notable)
Maracanau	Brazil	Record daily precipitation	38.0 mm (1.5 in)	38 of 100 (Notable)
Walkerton	Canada	Record daily snowfall	25.4 cm (10.0 in)	37 of 100 (Notable)
Yakutat AP	United States	Record daily precipitation	95.5 mm (3.8 in)	37 of 100 (Notable)
Grover 10 W	United States	Record daily snowfall	12.7 cm (5.0 in)	36 of 100 (Notable)
Bathurst Gaol	Australia	Record high minimum temperature	20.0 C (68.0 F)	35 of 100 (Notable)
Drevja	Norway	Record daily precipitation	62.5 mm (2.5 in)	35 of 100 (Notable)
Cajazeiras	Brazil	Record daily precipitation	39.3 mm (1.5 in)	34 of 100 (Routine)
Mombaca	Brazil	Record daily precipitation	28.2 mm (1.1 in)	33 of 100 (Routine)
Nord-Rana	Norway	Record daily precipitation	63.2 mm (2.5 in)	33 of 100 (Routine)
Allardt	United States	Record snow depth	15.2 cm (6.0 in)	32 of 100 (Routine)
Chula Vista	United States	Record high maximum temperature	30.0 C (86.0 F)	31 of 100 (Routine)
Itagua	Brazil	Record daily precipitation	35.4 mm (1.4 in)	30 of 100 (Routine)
Green Bay	United States	Record low maximum temperature	-16.1 C (3.0 F)	30 of 100 (Routine)
Fichtelberg	Germany	Record high maximum temperature	13.2 C (55.8 F)	29 of 100 (Routine)
Steigen	Norway	Record daily precipitation	33.1 mm (1.3 in)	29 of 100 (Routine)
Saint Bernard	United States	Record low minimum temperature	-15.6 C (3.9 F)	29 of 100 (Routine)
Manistique Wwtp	United States	Record low minimum temperature	-20.6 C (-5.1 F)	29 of 100 (Routine)
Chilton	United States	Record low minimum temperature	-22.8 C (-9.0 F)	29 of 100 (Routine)
Brocken	Germany	Record high maximum temperature	10.6 C (51.1 F)	28 of 100 (Routine)
Alcozauca (Smn)	Mexico	Record low maximum temperature	21.7 C (71.1 F)	28 of 100 (Routine)
Erie Intl AP	United States	Record daily snowfall	10.2 cm (4.0 in)	28 of 100 (Routine)
Sonnblick	Austria	Record high minimum temperature	-3.3 C (26.1 F)	27 of 100 (Routine)
Pomona/Fairplex	United States	Record high maximum temperature	29.4 C (84.9 F)	27 of 100 (Routine)
Osage	United States	Record low maximum temperature	-14.4 C (6.1 F)	27 of 100 (Routine)
Pine River 3 NE	United States	Record low maximum temperature	-15.0 C (5.0 F)	27 of 100 (Routine)
Brocken	Germany	Record high minimum temperature	4.8 C (40.6 F)	26 of 100 (Routine)
Mount Topper State Forest	Australia	Record daily precipitation	43.2 mm (1.7 in)	25 of 100 (Routine)
Sonnblick	Austria	Record high maximum temperature	-0.6 C (30.9 F)	25 of 100 (Routine)
Kimberley Downs	Australia	Record daily precipitation	55.9 mm (2.2 in)	24 of 100 (Routine)
Falls River	Canada	Record daily precipitation	103.4 mm (4.1 in)	24 of 100 (Routine)
Saentis	Switzerland	Record high maximum temperature	4.1 C (39.4 F)	24 of 100 (Routine)
Tejon Rancho	United States	Record low minimum temperature	-3.9 C (25.0 F)	24 of 100 (Routine)
Aberdeen Exp STN	United States	Record snow depth	27.9 cm (11.0 in)	24 of 100 (Routine)
Big St Germain Dam	United States	Record low maximum temperature	-18.9 C (-2.0 F)	24 of 100 (Routine)
Bokfontein, Franklin	South Africa	Record daily precipitation	59.7 mm (2.4 in)	23 of 100 (Routine)
Franklinville	United States	Record daily snowfall	12.7 cm (5.0 in)	23 of 100 (Routine)
Wisconsin Rapids	United States	Record low maximum temperature	-17.8 C (0.0 F)	23 of 100 (Routine)
Boulia Airport	Australia	Record high maximum temperature	44.9 C (112.8 F)	22 of 100 (Routine)
Atlin	Canada	Record daily snowfall	20.3 cm (8.0 in)	22 of 100 (Routine)
Aachen	Germany	Record high maximum temperature	12.6 C (54.7 F)	22 of 100 (Routine)
Storlien	Sweden	Record high minimum temperature	2.0 C (35.6 F)	22 of 100 (Routine)
Watersmeet	United States	Record low maximum temperature	-16.1 C (3.0 F)	22 of 100 (Routine)
Watersmeet	United States	Record low minimum temperature	-25.6 C (-14.1 F)	22 of 100 (Routine)
Fond du Lac Wwtp	United States	Record low maximum temperature	-16.1 C (3.0 F)	22 of 100 (Routine)
Indio Fire STN	United States	Record high maximum temperature	31.1 C (88.0 F)	21 of 100 (Routine)
Laguna Beach	United States	Record high maximum temperature	30.6 C (87.1 F)	21 of 100 (Routine)
Red Lake Indian Agcy	United States	Record low maximum temperature	-21.1 C (-6.0 F)	21 of 100 (Routine)
Two Harbors	United States	Record low maximum temperature	-17.2 C (1.0 F)	21 of 100 (Routine)
Merriman	United States	Record daily snowfall	6.4 cm (2.5 in)	21 of 100 (Routine)
Antigo	United States	Record low maximum temperature	-16.1 C (3.0 F)	21 of 100 (Routine)
Medford	United States	Record low maximum temperature	-18.9 C (-2.0 F)	21 of 100 (Routine)
Port Washington	United States	Record low maximum temperature	-14.4 C (6.1 F)	21 of 100 (Routine)
Jhunjhunu	India	Record daily precipitation	9.7 mm (0.38 in)	20 of 100 (Routine)
Anna Creek	Australia	Record daily precipitation	8.1 mm (0.32 in)	20 of 100 (Routine)
Mount Stuart	Australia	Record daily precipitation	22.6 mm (0.9 in)	20 of 100 (Routine)
Woomera (Purple Downs)	Australia	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Taipu	Brazil	Record daily precipitation	20.0 mm (0.8 in)	20 of 100 (Routine)

Counts by Type and Timescale

285 records

Records set or tied on 29 December 1963 by type: Highest daily maximum 42, Lowest daily maximum 42, Highest daily minimum 23, Lowest daily minimum 22, Heaviest daily rainfall 113, Heaviest daily snowfall 24, Deepest snow cover 19.

Records on 29 December 1963 by type
Record type	Records
Highest daily maximum	42
Lowest daily maximum	42
Highest daily minimum	23
Lowest daily minimum	22
Heaviest daily rainfall	113
Heaviest daily snowfall	24
Deepest snow cover	19

Records on 29 December 1963 by timescale: all-time 0, monthly 5, daily 280.

How Much Records Were Beaten By

247 broken records

Margins by which the 247 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 110.5. Ties are not counted.

Top 20 by Significance

29 December 1963

Top 20 records on 29 December 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
29 December 1963	Harrismith (Tnk), ZA	daily rain	48.5 mm (1.9 in)	31.5 mm (1.2 in)	69 years	58 of 100 (Notable)
29 December 1963	Luroy, NO	daily rain	134.5 mm (5.3 in)	110.5 mm (4.4 in)	14 years	48 of 100 (Notable)
29 December 1963	Araci, BR	daily rain	46.0 mm (1.8 in)	40.7 mm (1.6 in)	44 years	41 of 100 (Notable)
29 December 1963	Maracanau, BR	daily rain	38.0 mm (1.5 in)	29.5 mm (1.2 in)	20 years	38 of 100 (Notable)
29 December 1963	Walkerton, CA	daily snowfall	25.4 cm (10.0 in)	10.2 cm (4.0 in)	40 years	37 of 100 (Notable)
29 December 1963	Yakutat AP, US	daily rain	95.5 mm (3.8 in)	47.7 mm (1.9 in)	9 years	37 of 100 (Notable)
29 December 1963	Grover 10 W, US	daily snowfall	12.7 cm (5.0 in)	6.3 cm (2.5 in)	48 years	36 of 100 (Notable)
29 December 1963	Bathurst Gaol, AU	daily high min	20.0 C (68.0 F)	0.4 C (0.7 F)	81 years	35 of 100 (Notable)
29 December 1963	Drevja, NO	daily rain	62.5 mm (2.5 in)	25.7 mm (1.0 in)	18 years	35 of 100 (Notable)
29 December 1963	Cajazeiras, BR	daily rain	39.3 mm (1.5 in)	23.3 mm (0.9 in)	46 years	34 of 100 (Routine)
29 December 1963	Mombaca, BR	daily rain	28.2 mm (1.1 in)	19.0 mm (0.7 in)	46 years	33 of 100 (Routine)
29 December 1963	Nord-Rana, NO	daily rain	63.2 mm (2.5 in)	26.6 mm (1.0 in)	18 years	33 of 100 (Routine)
29 December 1963	Allardt, US	daily snow depth	15.2 cm (6.0 in)	10.1 cm (4.0 in)	32 years	32 of 100 (Routine)
29 December 1963	Chula Vista, US	monthly high max	30.0 C (86.0 F)	1.1 C (2.0 F)	44 years	31 of 100 (Routine)
29 December 1963	Itagua, BR	daily rain	35.4 mm (1.4 in)	33.7 mm (1.3 in)	29 years	30 of 100 (Routine)
29 December 1963	Green Bay, US	daily low max	-16.1 C (3.0 F)	0.5 C (0.9 F)	76 years	30 of 100 (Routine)
29 December 1963	Fichtelberg, DE	daily high max	13.2 C (55.8 F)	6.3 C (11.3 F)	28 years	29 of 100 (Routine)
29 December 1963	Steigen, NO	daily rain	33.1 mm (1.3 in)	12.9 mm (0.5 in)	18 years	29 of 100 (Routine)
29 December 1963	Saint Bernard, US	daily low min	-15.6 C (3.9 F)	5.0 C (9.0 F)	53 years	29 of 100 (Routine)
29 December 1963	Manistique Wwtp, US	daily low min	-20.6 C (-5.1 F)	2.8 C (5.0 F)	63 years	29 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

1799 to 1963

Records set or tied on this calendar date in each year from 1799 to 1963. 1963 had 285 records.

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

Records on 12-29 in each year
Year	Records
1799	1
1810	1
1824	1
1829	1
1839	2
1853	2
1864	1
1865	1
1866	1
1867	1
1868	2
1870	1
1871	1
1872	2
1873	1
1874	2
1876	2
1877	2
1878	1
1880	6
1881	4
1882	2
1884	1
1885	1
1886	1
1887	3
1889	2
1890	7
1891	3
1893	2
1894	3
1895	1
1896	1
1897	8
1898	7
1899	4
1900	1
1901	18
1902	8
1903	10
1904	16
1905	19
1906	14
1907	10
1908	21
1909	18
1910	7
1911	6
1912	52
1913	12
1914	46
1915	47
1916	69
1917	145
1918	33
1919	157
1920	68
1921	60
1922	42
1923	126
1924	119
1925	209
1926	117
1927	350
1928	93
1929	262
1930	96
1931	363
1932	192
1933	479
1934	406
1935	392
1936	552
1937	280
1938	178
1939	272
1940	648
1941	110
1942	458
1943	232
1944	226
1945	497
1946	1,122
1947	310
1948	711
1949	217
1950	286
1951	571
1952	156
1953	205
1954	955
1955	373
1956	563
1957	527
1958	442
1959	251
1960	404
1961	525
1962	754
1963	285
1964	533
1965	634
1966	719
1967	867
1968	1,028
1969	964
1970	694
1971	660
1972	1,001
1973	674
1974	719
1975	646
1976	748
1977	656
1978	1,349
1979	830
1980	959
1981	713
1982	1,565
1983	2,576
1984	2,687
1985	551
1986	752
1987	1,484
1988	1,082
1989	633
1990	1,861
1991	630
1992	1,099
1993	905
1994	965
1995	1,202
1996	2,213
1997	1,114
1998	783
1999	1,207
2000	1,677
2001	599
2002	959
2003	951
2004	909
2005	858
2006	1,219
2007	1,046
2008	753
2009	1,027
2010	1,308
2011	748
2012	805
2013	714
2014	506
2015	1,440
2016	620
2017	1,559
2018	440
2019	1,471
2020	504
2021	1,098
2022	516
2023	900
2024	931
2025	637

Download the Data

Data for records on 1963-12-29: 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	204
20 to 40	24
40 to 60	10
60 to 80	6
80 to 100	0
100 to 120	3