Weather Records on 27 December 2020

402 weather records were set or tied worldwide on 27 December 2020. Highest significance: Bjornholt, NO.

Key Facts for 27 December 2020

On 27 December 2020, 402 weather records were set or tied at long-record stations worldwide.
74 were record highs and 105 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 17 monthly and 385 daily.
Bjornholt set a daily record precipitation of 64.5 mm (2.5 in) on 27 December 2020.
Across 150 earlier years (1793 to 2025) the same calendar date averaged 540 records.

Record Map

402 stations

402 station records on 27 December 2020 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 December 2020: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bjornholt	Norway	Record daily precipitation	64.5 mm (2.5 in)	72 of 100 (Major)
Rjukan	Norway	Record daily precipitation	35.0 mm (1.4 in)	70 of 100 (Major)
Tryvasshogda	Norway	Record daily precipitation	46.4 mm (1.8 in)	65 of 100 (Major)
Vannas	Sweden	Record daily precipitation	34.9 mm (1.4 in)	63 of 100 (Major)
Sandefjord	Norway	Record daily precipitation	55.0 mm (2.2 in)	61 of 100 (Major)
Hedrum	Norway	Record daily precipitation	63.0 mm (2.5 in)	60 of 100 (Major)
Biri	Norway	Record daily precipitation	32.3 mm (1.3 in)	59 of 100 (Notable)
Lunner	Norway	Record daily precipitation	34.1 mm (1.3 in)	54 of 100 (Notable)
Humpty Doo Collard Road	Australia	Record daily precipitation	148.6 mm (5.9 in)	52 of 100 (Notable)
Bagstowe Station	Australia	Record daily precipitation	106.0 mm (4.2 in)	51 of 100 (Notable)
Asker	Norway	Record daily precipitation	55.5 mm (2.2 in)	51 of 100 (Notable)
Toamasina	Madagascar	Record daily precipitation	202.9 mm (8.0 in)	49 of 100 (Notable)
Nimmitabel Wastewater Treatmen	Australia	Record daily precipitation	51.6 mm (2.0 in)	48 of 100 (Notable)
Hakavik	Norway	Record daily precipitation	68.6 mm (2.7 in)	48 of 100 (Notable)
Boylefoss	Norway	Record daily precipitation	65.0 mm (2.6 in)	47 of 100 (Notable)
Melsom	Norway	Record daily precipitation	53.8 mm (2.1 in)	47 of 100 (Notable)
Robe Comparison	Australia	Record low minimum temperature	6.0 C (42.8 F)	44 of 100 (Notable)
Perelyub	Russia	Record daily precipitation	31.0 mm (1.2 in)	44 of 100 (Notable)
Ft Davis	United States	Record high maximum temperature	23.3 C (73.9 F)	43 of 100 (Notable)
Gjettum	Norway	Record daily precipitation	33.9 mm (1.3 in)	42 of 100 (Notable)
Mosstrand II	Norway	Record daily precipitation	30.6 mm (1.2 in)	42 of 100 (Notable)
Ponza Island	Italy	Record daily precipitation	48.0 mm (1.9 in)	40 of 100 (Notable)
Bullita	Australia	Record daily precipitation	89.0 mm (3.5 in)	39 of 100 (Notable)
Maridalsoset	Norway	Record daily precipitation	28.6 mm (1.1 in)	39 of 100 (Notable)
Holjes	Sweden	Record daily precipitation	30.6 mm (1.2 in)	39 of 100 (Notable)
Notodden	Norway	Record daily precipitation	27.8 mm (1.1 in)	38 of 100 (Notable)
Asturias/Aviles	Spain	Record daily precipitation	50.2 mm (2.0 in)	38 of 100 (Notable)
Mangsbodarna	Sweden	Record daily precipitation	25.0 mm (1.0 in)	38 of 100 (Notable)
Elizabeth Valley	Australia	Record daily precipitation	127.6 mm (5.0 in)	37 of 100 (Notable)
Mogen	Norway	Record daily precipitation	34.0 mm (1.3 in)	37 of 100 (Notable)
Eikeland	Norway	Record daily precipitation	78.7 mm (3.1 in)	37 of 100 (Notable)
Bogotol	Russia	Record low minimum temperature	-44.1 C (-47.4 F)	37 of 100 (Notable)
Mount Florance	Australia	Record daily precipitation	52.0 mm (2.0 in)	36 of 100 (Notable)
Nordstrand	Norway	Record daily precipitation	27.0 mm (1.1 in)	36 of 100 (Notable)
Bogotol	Russia	Record low maximum temperature	-37.5 C (-35.5 F)	36 of 100 (Notable)
Hoidalen I Solum	Norway	Record daily precipitation	55.3 mm (2.2 in)	35 of 100 (Notable)
Callantsoog	Netherlands	Record daily precipitation	25.0 mm (1.0 in)	34 of 100 (Routine)
Tveitsund	Norway	Record daily precipitation	43.4 mm (1.7 in)	34 of 100 (Routine)
Postmyr I Drangedal	Norway	Record daily precipitation	38.7 mm (1.5 in)	34 of 100 (Routine)
Marshall	United States	Record low minimum temperature	-15.0 C (5.0 F)	33 of 100 (Routine)
Hamar-Daban	Russia	Record low maximum temperature	-26.5 C (-15.7 F)	32 of 100 (Routine)
Swan Valley	United States	Record daily snowfall	15.2 cm (6.0 in)	32 of 100 (Routine)
Glenwillard Dashields L&D	United States	Record snow depth	17.8 cm (7.0 in)	32 of 100 (Routine)
Bijsk Zonalnaja	Russia	Record low maximum temperature	-32.7 C (-26.9 F)	31 of 100 (Routine)
Bijsk Zonalnaja	Russia	Record low minimum temperature	-47.4 C (-53.3 F)	31 of 100 (Routine)
Lanai AP 656	United States	Record high maximum temperature	26.7 C (80.1 F)	31 of 100 (Routine)
Abingdon Downs Station	Australia	Record daily precipitation	111.0 mm (4.4 in)	30 of 100 (Routine)
Batemans Bay - Buckenbowra	Australia	Record daily precipitation	54.0 mm (2.1 in)	30 of 100 (Routine)
Ordynskoe	Russia	Record low minimum temperature	-43.5 C (-46.3 F)	30 of 100 (Routine)
Masljanino	Russia	Record low maximum temperature	-36.5 C (-33.7 F)	30 of 100 (Routine)
Santander/Parayas	Spain	Record daily precipitation	44.3 mm (1.7 in)	30 of 100 (Routine)
Cambridge	United States	Record snow depth	17.8 cm (7.0 in)	30 of 100 (Routine)
Kviteseid - Moen	Norway	Record daily precipitation	31.5 mm (1.2 in)	29 of 100 (Routine)
Ostrov Kotelnyj	Russia	Record high maximum temperature	-5.9 C (21.4 F)	29 of 100 (Routine)
Kolyvan	Russia	Record low maximum temperature	-34.8 C (-30.6 F)	29 of 100 (Routine)
Verhnjaja Gutara	Russia	Record low maximum temperature	-25.7 C (-14.3 F)	29 of 100 (Routine)
Barnaul	Russia	Record low minimum temperature	-41.7 C (-43.1 F)	29 of 100 (Routine)
Croydon Township	Australia	Record daily precipitation	94.2 mm (3.7 in)	28 of 100 (Routine)
Kemerovo	Russia	Record low maximum temperature	-38.0 C (-36.4 F)	28 of 100 (Routine)
Ordynskoe	Russia	Record low maximum temperature	-33.4 C (-28.1 F)	28 of 100 (Routine)

Counts by Type and Timescale

402 records

Records set or tied on 27 December 2020 by type: Highest daily maximum 34, Lowest daily maximum 60, Highest daily minimum 40, Lowest daily minimum 45, Heaviest daily rainfall 201, Heaviest daily snowfall 9, Deepest snow cover 13.

Records on 27 December 2020 by type
Record type	Records
Highest daily maximum	34
Lowest daily maximum	60
Highest daily minimum	40
Lowest daily minimum	45
Heaviest daily rainfall	201
Heaviest daily snowfall	9
Deepest snow cover	13

Records on 27 December 2020 by timescale: all-time 0, monthly 17, daily 385.

How Much Records Were Beaten By

369 broken records

Margins by which the 369 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 149.8. Ties are not counted.

Top 20 by Significance

27 December 2020

Top 20 records on 27 December 2020 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 December 2020	Bjornholt, NO	daily rain	64.5 mm (2.5 in)	27.2 mm (1.1 in)	96 years	72 of 100 (Major)
27 December 2020	Rjukan, NO	daily rain	35.0 mm (1.4 in)	20.7 mm (0.8 in)	69 years	70 of 100 (Major)
27 December 2020	Tryvasshogda, NO	daily rain	46.4 mm (1.8 in)	32.4 mm (1.3 in)	61 years	65 of 100 (Major)
27 December 2020	Vannas, SE	daily rain	34.9 mm (1.4 in)	25.0 mm (1.0 in)	55 years	63 of 100 (Major)
27 December 2020	Sandefjord, NO	daily rain	55.0 mm (2.2 in)	33.4 mm (1.3 in)	53 years	61 of 100 (Major)
27 December 2020	Hedrum, NO	daily rain	63.0 mm (2.5 in)	31.9 mm (1.3 in)	41 years	60 of 100 (Major)
27 December 2020	Biri, NO	daily rain	32.3 mm (1.3 in)	10.2 mm (0.4 in)	96 years	59 of 100 (Notable)
27 December 2020	Lunner, NO	daily rain	34.1 mm (1.3 in)	18.0 mm (0.7 in)	43 years	54 of 100 (Notable)
27 December 2020	Humpty Doo Collard Road, AU	daily rain	148.6 mm (5.9 in)	102.2 mm (4.0 in)	27 years	52 of 100 (Notable)
27 December 2020	Bagstowe Station, AU	daily rain	106.0 mm (4.2 in)	65.1 mm (2.6 in)	21 years	51 of 100 (Notable)
27 December 2020	Asker, NO	daily rain	55.5 mm (2.2 in)	32.7 mm (1.3 in)	18 years	51 of 100 (Notable)
27 December 2020	Toamasina, MG	daily rain	202.9 mm (8.0 in)	149.8 mm (5.9 in)	19 years	49 of 100 (Notable)
27 December 2020	Nimmitabel Wastewater Treatmen, AU	daily rain	51.6 mm (2.0 in)	11.0 mm (0.4 in)	96 years	48 of 100 (Notable)
27 December 2020	Hakavik, NO	monthly rain	68.6 mm (2.7 in)	12.2 mm (0.5 in)	54 years	48 of 100 (Notable)
27 December 2020	Boylefoss, NO	daily rain	65.0 mm (2.6 in)	31.0 mm (1.2 in)	43 years	47 of 100 (Notable)
27 December 2020	Melsom, NO	daily rain	53.8 mm (2.1 in)	21.6 mm (0.9 in)	41 years	47 of 100 (Notable)
27 December 2020	Robe Comparison, AU	daily low min	6.0 C (42.8 F)	1.2 C (2.2 F)	132 years	44 of 100 (Notable)
27 December 2020	Perelyub, RU	monthly rain	31.0 mm (1.2 in)	7.9 mm (0.31 in)	4 years	44 of 100 (Notable)
27 December 2020	Ft Davis, US	daily high max	23.3 C (73.9 F)	1.6 C (2.9 F)	118 years	43 of 100 (Notable)
27 December 2020	Gjettum, NO	daily rain	33.9 mm (1.3 in)	13.6 mm (0.5 in)	43 years	42 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 2020

Records set or tied on this calendar date in each year from 1793 to 2020. 2020 had 402 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 2020-12-27: 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	328
20 to 40	27
40 to 60	7
60 to 80	5
80 to 100	0
100 to 120	1
120 to 140	0
140 to 160	1