Weather Records on 6 May 2021

517 weather records were set or tied worldwide on 6 May 2021. Highest significance: Cape Agulhas, ZA.

Key Facts for 6 May 2021

On 6 May 2021, 517 weather records were set or tied at long-record stations worldwide.
235 were record highs and 147 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 11 monthly and 506 daily.
Cape Agulhas set a monthly record daily precipitation of 89.9 mm (3.5 in) on 6 May 2021.
Across 158 earlier years (1795 to 2026) the same calendar date averaged 453 records.

Record Map

517 stations

517 station records on 6 May 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 6 May 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cape Agulhas	South Africa	Record daily precipitation	89.9 mm (3.5 in)	72 of 100 (Major)
Sion 2	Switzerland	Record daily precipitation	32.5 mm (1.3 in)	69 of 100 (Major)
Tabora Airport	Tanzania	Record daily precipitation	99.1 mm (3.9 in)	62 of 100 (Major)
Muzi	Russia	Record daily precipitation	39.1 mm (1.5 in)	59 of 100 (Notable)
Wutoschingen-Ofteringen	Germany	Record daily precipitation	38.8 mm (1.5 in)	56 of 100 (Notable)
Robertson	South Africa	Record daily precipitation	42.9 mm (1.7 in)	52 of 100 (Notable)
Grafton Research STN	Australia	Record daily precipitation	39.6 mm (1.6 in)	51 of 100 (Notable)
Nelligen (Thule Road)	Australia	Record daily precipitation	89.4 mm (3.5 in)	51 of 100 (Notable)
Villingen-Schwenningen	Germany	Record daily precipitation	29.4 mm (1.2 in)	51 of 100 (Notable)
Kioloa Old Post Office	Australia	Record daily precipitation	134.0 mm (5.3 in)	50 of 100 (Notable)
Nha Trang	Vietnam	Record daily precipitation	81.0 mm (3.2 in)	50 of 100 (Notable)
Yealering	Australia	Record daily precipitation	58.0 mm (2.3 in)	46 of 100 (Notable)
Albion Park Post Office	Australia	Record daily precipitation	64.4 mm (2.5 in)	45 of 100 (Notable)
Benbrook Dam	United States	Record low minimum temperature	0.6 C (33.1 F)	44 of 100 (Notable)
Semej	Kazakhstan	Record high maximum temperature	33.5 C (92.3 F)	43 of 100 (Notable)
Basel Binningen	Switzerland	Record daily precipitation	27.1 mm (1.1 in)	43 of 100 (Notable)
Blackbutt Post Office	Australia	Record daily precipitation	26.0 mm (1.0 in)	41 of 100 (Notable)
Howe	United States	Record low minimum temperature	-7.2 C (19.0 F)	41 of 100 (Notable)
Black Rock	United States	Record high maximum temperature	32.8 C (91.0 F)	41 of 100 (Notable)
N Fk Rs	United States	Record high minimum temperature	13.3 C (55.9 F)	40 of 100 (Notable)
Missoula 6 NW WFO	United States	Record high maximum temperature	29.4 C (84.9 F)	40 of 100 (Notable)
Centerville 6 SE	United States	Record low minimum temperature	-6.1 C (21.0 F)	38 of 100 (Notable)
Nowra Ran Air Station AWS	Australia	Record daily precipitation	113.0 mm (4.4 in)	37 of 100 (Notable)
Bettowynd (Condry)	Australia	Record daily precipitation	70.0 mm (2.8 in)	37 of 100 (Notable)
Prachuap Khiri Khan	Thailand	Record daily precipitation	62.2 mm (2.4 in)	37 of 100 (Notable)
Woodruff	United States	Record high maximum temperature	26.1 C (79.0 F)	37 of 100 (Notable)
Majors Creek (the Old School)	Australia	Record daily precipitation	89.4 mm (3.5 in)	36 of 100 (Notable)
Miami Beach	United States	Record high maximum temperature	32.2 C (90.0 F)	36 of 100 (Notable)
Karaganda	Kazakhstan	Record high maximum temperature	29.1 C (84.4 F)	35 of 100 (Notable)
Richmond Raaf	Australia	Record daily precipitation	29.2 mm (1.1 in)	34 of 100 (Routine)
Marulan (George St)	Australia	Record daily precipitation	67.0 mm (2.6 in)	34 of 100 (Routine)
Buchenbach	Germany	Record daily precipitation	44.0 mm (1.7 in)	34 of 100 (Routine)
Chumphon	Thailand	Record daily precipitation	47.8 mm (1.9 in)	34 of 100 (Routine)
Lacrosse	United States	Record high minimum temperature	13.9 C (57.0 F)	34 of 100 (Routine)
Countegany (Gaerloch)	Australia	Record daily precipitation	31.2 mm (1.2 in)	33 of 100 (Routine)
Stockholm	Sweden	Record low maximum temperature	4.4 C (39.9 F)	33 of 100 (Routine)
Saint Leo	United States	Record high minimum temperature	23.3 C (73.9 F)	33 of 100 (Routine)
Barrengarry (the Old School Ho	Australia	Record daily precipitation	91.4 mm (3.6 in)	32 of 100 (Routine)
Moruya Heads Pilot Station	Australia	Record daily precipitation	66.2 mm (2.6 in)	32 of 100 (Routine)
Kwajalein	Marshall Islands	Record high maximum temperature	33.3 C (91.9 F)	31 of 100 (Routine)
Juzhno-Kurilsk	Russia	Record high minimum temperature	6.0 C (42.8 F)	31 of 100 (Routine)
Nikkaluokta_A	Sweden	Record low minimum temperature	-17.6 C (0.3 F)	31 of 100 (Routine)
Clarksburg Benedum AP	United States	Record low minimum temperature	1.7 C (35.1 F)	31 of 100 (Routine)
Delta	United States	Record high maximum temperature	32.8 C (91.0 F)	31 of 100 (Routine)
Meacham	United States	Record high maximum temperature	26.1 C (79.0 F)	31 of 100 (Routine)
Club Terrace	Australia	Record daily precipitation	49.4 mm (1.9 in)	30 of 100 (Routine)
Hagshults_Flygplats	Sweden	Record low maximum temperature	5.9 C (42.6 F)	30 of 100 (Routine)
Clermont 9 S	United States	Record high minimum temperature	23.3 C (73.9 F)	30 of 100 (Routine)
Melbourne WFO	United States	Record high maximum temperature	33.9 C (93.0 F)	30 of 100 (Routine)
Bradford 4SW Rsch 5	United States	Record low maximum temperature	7.8 C (46.0 F)	30 of 100 (Routine)
King Salmon	United States	Record low minimum temperature	-6.6 C (20.1 F)	30 of 100 (Routine)
Wedderburn (Booalbyn)	Australia	Record daily precipitation	33.0 mm (1.3 in)	29 of 100 (Routine)
Braidwood (Wallace Street)	Australia	Record daily precipitation	58.0 mm (2.3 in)	29 of 100 (Routine)
Wolfach	Germany	Record daily precipitation	41.8 mm (1.6 in)	29 of 100 (Routine)
Essaouira	Morocco	Record low minimum temperature	8.6 C (47.5 F)	29 of 100 (Routine)
Lisbon	United States	Record high maximum temperature	35.0 C (95.0 F)	29 of 100 (Routine)
West Haldon	Australia	Record daily precipitation	34.0 mm (1.3 in)	28 of 100 (Routine)
Culburra Treatment Works	Australia	Record daily precipitation	53.0 mm (2.1 in)	28 of 100 (Routine)
Derna	Libya	Record high minimum temperature	20.0 C (68.0 F)	28 of 100 (Routine)
Hawthorne	United States	Record high maximum temperature	31.7 C (89.1 F)	28 of 100 (Routine)

Counts by Type and Timescale

517 records

Records set or tied on 6 May 2021 by type: Highest daily maximum 132, Lowest daily maximum 83, Highest daily minimum 103, Lowest daily minimum 64, Heaviest daily rainfall 135.

Records on 6 May 2021 by type
Record type	Records
Highest daily maximum	132
Lowest daily maximum	83
Highest daily minimum	103
Lowest daily minimum	64
Heaviest daily rainfall	135
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 6 May 2021 by timescale: all-time 0, monthly 11, daily 506.

How Much Records Were Beaten By

433 broken records

Margins by which the 433 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 76.6. Ties are not counted.

Top 20 by Significance

6 May 2021

Top 20 records on 6 May 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 May 2021	Cape Agulhas, ZA	monthly rain	89.9 mm (3.5 in)	48.9 mm (1.9 in)	41 years	72 of 100 (Major)
6 May 2021	Sion 2, CH	daily rain	32.5 mm (1.3 in)	21.5 mm (0.8 in)	71 years	69 of 100 (Major)
6 May 2021	Tabora Airport, TZ	daily rain	99.1 mm (3.9 in)	76.6 mm (3.0 in)	52 years	62 of 100 (Major)
6 May 2021	Muzi, RU	daily rain	39.1 mm (1.5 in)	22.5 mm (0.9 in)	48 years	59 of 100 (Notable)
6 May 2021	Wutoschingen-Ofteringen, DE	daily rain	38.8 mm (1.5 in)	24.6 mm (1.0 in)	52 years	56 of 100 (Notable)
6 May 2021	Robertson, ZA	daily rain	42.9 mm (1.7 in)	23.4 mm (0.9 in)	46 years	52 of 100 (Notable)
6 May 2021	Grafton Research STN, AU	daily rain	39.6 mm (1.6 in)	21.1 mm (0.8 in)	96 years	51 of 100 (Notable)
6 May 2021	Nelligen (Thule Road), AU	daily rain	89.4 mm (3.5 in)	38.6 mm (1.5 in)	100 years	51 of 100 (Notable)
6 May 2021	Villingen-Schwenningen, DE	daily rain	29.4 mm (1.2 in)	16.0 mm (0.6 in)	63 years	51 of 100 (Notable)
6 May 2021	Kioloa Old Post Office, AU	daily rain	134.0 mm (5.3 in)	75.4 mm (3.0 in)	24 years	50 of 100 (Notable)
6 May 2021	Nha Trang, VN	daily rain	81.0 mm (3.2 in)	60.2 mm (2.4 in)	16 years	50 of 100 (Notable)
6 May 2021	Yealering, AU	monthly rain	58.0 mm (2.3 in)	1.1 mm (0.04 in)	83 years	46 of 100 (Notable)
6 May 2021	Albion Park Post Office, AU	daily rain	64.4 mm (2.5 in)	14.1 mm (0.6 in)	122 years	45 of 100 (Notable)
6 May 2021	Benbrook Dam, US	monthly low min	0.6 C (33.1 F)	2.7 C (4.9 F)	67 years	44 of 100 (Notable)
6 May 2021	Semej, KZ	daily high max	33.5 C (92.3 F)	2.3 C (4.1 F)	104 years	43 of 100 (Notable)
6 May 2021	Basel Binningen, CH	daily rain	27.1 mm (1.1 in)	5.0 mm (0.20 in)	88 years	43 of 100 (Notable)
6 May 2021	Blackbutt Post Office, AU	daily rain	26.0 mm (1.0 in)	1.9 mm (0.07 in)	104 years	41 of 100 (Notable)
6 May 2021	Howe, US	daily low min	-7.2 C (19.0 F)	0.5 C (0.9 F)	107 years	41 of 100 (Notable)
6 May 2021	Black Rock, US	daily high max	32.8 C (91.0 F)	0.6 C (1.1 F)	104 years	41 of 100 (Notable)
6 May 2021	N Fk Rs, US	daily high min	13.3 C (55.9 F)	0.5 C (0.9 F)	98 years	40 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

1795 to 2021

Records set or tied on this calendar date in each year from 1795 to 2021. 2021 had 517 records.

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

Records on 05-06 in each year
Year	Records
1795	1
1805	1
1825	1
1836	1
1845	2
1850	1
1851	1
1852	1
1856	1
1857	2
1861	2
1862	2
1864	2
1865	1
1872	1
1877	3
1880	2
1883	1
1885	4
1886	2
1887	1
1888	1
1889	4
1890	4
1891	3
1892	3
1893	1
1895	3
1896	1
1897	5
1898	17
1899	3
1900	8
1901	3
1902	8
1903	9
1904	12
1905	18
1906	14
1907	11
1908	18
1909	19
1910	23
1911	14
1912	20
1913	47
1914	30
1915	32
1916	51
1917	197
1918	43
1919	63
1920	42
1921	39
1922	87
1923	126
1924	95
1925	225
1926	178
1927	133
1928	106
1929	225
1930	581
1931	378
1932	302
1933	336
1934	640
1935	319
1936	430
1937	172
1938	310
1939	185
1940	243
1941	325
1942	309
1943	375
1944	879
1945	318
1946	260
1947	613
1948	384
1949	917
1950	610
1951	292
1952	496
1953	635
1954	551
1955	422
1956	559
1957	644
1958	615
1959	463
1960	781
1961	655
1962	301
1963	623
1964	823
1965	624
1966	950
1967	697
1968	890
1969	695
1970	710
1971	459
1972	499
1973	499
1974	806
1975	925
1976	644
1977	896
1978	899
1979	1,122
1980	574
1981	489
1982	800
1983	554
1984	846
1985	549
1986	1,228
1987	1,049
1988	919
1989	1,814
1990	1,220
1991	1,028
1992	1,486
1993	795
1994	591
1995	961
1996	1,578
1997	1,127
1998	1,160
1999	1,198
2000	1,357
2001	767
2002	979
2003	1,596
2004	1,490
2005	826
2006	663
2007	1,061
2008	412
2009	732
2010	1,187
2011	604
2012	1,007
2013	1,024
2014	612
2015	589
2016	808
2017	659
2018	454
2019	462
2020	578
2021	517
2022	736
2023	559
2024	841
2025	732
2026	796

Download the Data

Data for records on 2021-05-06: 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 10	392
10 to 20	21
20 to 30	13
30 to 40	3
40 to 50	1
50 to 60	0
60 to 70	1
70 to 80	2