Weather Records on 25 May 2021

505 weather records were set or tied worldwide on 25 May 2021. Highest significance: Kapan, AM.

Key Facts for 25 May 2021

On 25 May 2021, 505 weather records were set or tied at long-record stations worldwide.
291 were record highs and 55 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 20 monthly and 485 daily.
Kapan set a daily record precipitation of 99.1 mm (3.9 in) on 25 May 2021.
Across 162 earlier years (1793 to 2026) the same calendar date averaged 442 records.

Record Map

505 stations

505 station records on 25 May 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 25 May 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kapan	Armenia	Record daily precipitation	99.1 mm (3.9 in)	71 of 100 (Major)
Olton	United States	Record daily precipitation	68.6 mm (2.7 in)	66 of 100 (Major)
Chandbali	India	Record daily precipitation	104.9 mm (4.1 in)	65 of 100 (Major)
Puri	India	Record daily precipitation	49.0 mm (1.9 in)	55 of 100 (Notable)
Mud Mtn Dam	United States	Record daily precipitation	50.5 mm (2.0 in)	52 of 100 (Notable)
Tanga	Sweden	Record daily precipitation	29.0 mm (1.1 in)	47 of 100 (Notable)
Garfield R.S.	United States	Record daily precipitation	30.5 mm (1.2 in)	47 of 100 (Notable)
Headworks Portland Wtr B	United States	Record daily precipitation	36.1 mm (1.4 in)	46 of 100 (Notable)
Holmbo_D	Sweden	Record daily precipitation	26.1 mm (1.0 in)	45 of 100 (Notable)
Saffle	Sweden	Record daily precipitation	25.8 mm (1.0 in)	45 of 100 (Notable)
Uil	Kazakhstan	Record high maximum temperature	39.5 C (103.1 F)	44 of 100 (Notable)
Lakin	United States	Record daily precipitation	64.8 mm (2.6 in)	43 of 100 (Notable)
Orenburg	Russia	Record high maximum temperature	36.1 C (97.0 F)	42 of 100 (Notable)
Sioux Ctr 2 SE	United States	Record high minimum temperature	18.9 C (66.0 F)	42 of 100 (Notable)
Clinton #1	United States	Record high minimum temperature	21.7 C (71.1 F)	41 of 100 (Notable)
Elkader 6 SSW	United States	Record high minimum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Pocahontas	United States	Record high minimum temperature	20.0 C (68.0 F)	41 of 100 (Notable)
Lancaster 4 WSW	United States	Record high minimum temperature	20.0 C (68.0 F)	41 of 100 (Notable)
Hillsdale	United States	Record high minimum temperature	18.3 C (64.9 F)	40 of 100 (Notable)
Fairfield	United States	Record snow depth	10.2 cm (4.0 in)	40 of 100 (Notable)
Petropavlovsk	Kazakhstan	Record high minimum temperature	19.2 C (66.6 F)	39 of 100 (Notable)
Troutdale	United States	Record daily precipitation	29.2 mm (1.1 in)	39 of 100 (Notable)
Mount Hope (Fairview)	Australia	Record daily precipitation	35.2 mm (1.4 in)	38 of 100 (Notable)
Darjeeling	India	Record daily precipitation	38.1 mm (1.5 in)	38 of 100 (Notable)
Zhezkazgan	Kazakhstan	Record high maximum temperature	37.9 C (100.2 F)	38 of 100 (Notable)
Snyder	United States	Record daily precipitation	36.1 mm (1.4 in)	37 of 100 (Notable)
Sterlitamak	Russia	Record high maximum temperature	35.9 C (96.6 F)	36 of 100 (Notable)
Lichinga	Mozambique	Record low minimum temperature	7.0 C (44.6 F)	35 of 100 (Notable)
Louisefred	Sweden	Record daily precipitation	52.0 mm (2.0 in)	35 of 100 (Notable)
Ft Dodge 5NNW	United States	Record high minimum temperature	19.4 C (66.9 F)	35 of 100 (Notable)
Rockwell City	United States	Record high minimum temperature	19.4 C (66.9 F)	35 of 100 (Notable)
Tishomingo Natl Wr	United States	Record daily precipitation	63.5 mm (2.5 in)	35 of 100 (Notable)
Battle Ground	United States	Record daily precipitation	27.2 mm (1.1 in)	35 of 100 (Notable)
Karralea	Australia	Record daily precipitation	36.2 mm (1.4 in)	34 of 100 (Routine)
Zilair	Russia	Record high maximum temperature	32.2 C (90.0 F)	34 of 100 (Routine)
Thompsons 3 WSW	United States	Record daily precipitation	46.5 mm (1.8 in)	34 of 100 (Routine)
Cape Arid National Park	Australia	Record daily precipitation	32.8 mm (1.3 in)	33 of 100 (Routine)
Isparta	Turkey	Record high minimum temperature	15.6 C (60.1 F)	33 of 100 (Routine)
Abiquiu Dam	United States	Record low minimum temperature	-2.2 C (28.0 F)	33 of 100 (Routine)
Honeyman Sp	United States	Record daily precipitation	33.8 mm (1.3 in)	33 of 100 (Routine)
Somerset	United States	Record daily precipitation	27.9 mm (1.1 in)	33 of 100 (Routine)
Weatherford	United States	Record daily precipitation	70.1 mm (2.8 in)	33 of 100 (Routine)
Taipak	Kazakhstan	Record high minimum temperature	21.5 C (70.7 F)	32 of 100 (Routine)
Surigao	Philippines	Record low maximum temperature	30.0 C (86.0 F)	32 of 100 (Routine)
Ischim Amsg	Russia	Record high maximum temperature	35.9 C (96.6 F)	32 of 100 (Routine)
Aksakovo	Russia	Record high maximum temperature	32.1 C (89.8 F)	32 of 100 (Routine)
Timimoun	Algeria	Record high minimum temperature	30.4 C (86.7 F)	31 of 100 (Routine)
Im. Poliny Osipenko	Russia	Record daily precipitation	30.0 mm (1.2 in)	31 of 100 (Routine)
Stehag	Sweden	Record daily precipitation	25.0 mm (1.0 in)	31 of 100 (Routine)
Santo Domingo	Dominican Republic	Record high maximum temperature	33.0 C (91.4 F)	30 of 100 (Routine)
Conroe	United States	Record high minimum temperature	25.0 C (77.0 F)	30 of 100 (Routine)
Kalama Falls Hatchery	United States	Record daily precipitation	34.0 mm (1.3 in)	30 of 100 (Routine)
Uralsk	Kazakhstan	Record high maximum temperature	37.4 C (99.3 F)	29 of 100 (Routine)
Aralskoe More	Kazakhstan	Record high minimum temperature	24.8 C (76.6 F)	29 of 100 (Routine)
Burukan	Russia	Record daily precipitation	29.0 mm (1.1 in)	29 of 100 (Routine)
Wauchula	United States	Record low minimum temperature	13.9 C (57.0 F)	29 of 100 (Routine)
Abilene Rgnl AP	United States	Record daily precipitation	40.1 mm (1.6 in)	29 of 100 (Routine)
Sucinsk	Kazakhstan	Record high maximum temperature	35.3 C (95.5 F)	28 of 100 (Routine)
Akkol	Kazakhstan	Record high maximum temperature	36.1 C (97.0 F)	28 of 100 (Routine)
Temir	Kazakhstan	Record high maximum temperature	38.1 C (100.6 F)	28 of 100 (Routine)

Counts by Type and Timescale

505 records

Records set or tied on 25 May 2021 by type: Highest daily maximum 135, Lowest daily maximum 30, Highest daily minimum 156, Lowest daily minimum 25, Heaviest daily rainfall 157, Deepest snow cover 2.

Records on 25 May 2021 by type
Record type	Records
Highest daily maximum	135
Lowest daily maximum	30
Highest daily minimum	156
Lowest daily minimum	25
Heaviest daily rainfall	157
Heaviest daily snowfall	0
Deepest snow cover	2

Records on 25 May 2021 by timescale: all-time 0, monthly 20, daily 485.

How Much Records Were Beaten By

407 broken records

Margins by which the 407 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.0. Ties are not counted.

Top 20 by Significance

25 May 2021

Top 20 records on 25 May 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 May 2021	Kapan, AM	daily rain	99.1 mm (3.9 in)	66.0 mm (2.6 in)	71 years	71 of 100 (Major)
25 May 2021	Olton, US	daily rain	68.6 mm (2.7 in)	43.2 mm (1.7 in)	76 years	66 of 100 (Major)
25 May 2021	Chandbali, IN	daily rain	104.9 mm (4.1 in)	85.8 mm (3.4 in)	64 years	65 of 100 (Major)
25 May 2021	Puri, IN	daily rain	49.0 mm (1.9 in)	28.4 mm (1.1 in)	110 years	55 of 100 (Notable)
25 May 2021	Mud Mtn Dam, US	daily rain	50.5 mm (2.0 in)	22.6 mm (0.9 in)	40 years	52 of 100 (Notable)
25 May 2021	Tanga, SE	daily rain	29.0 mm (1.1 in)	17.9 mm (0.7 in)	31 years	47 of 100 (Notable)
25 May 2021	Garfield R.S., US	daily rain	30.5 mm (1.2 in)	17.8 mm (0.7 in)	34 years	47 of 100 (Notable)
25 May 2021	Headworks Portland Wtr B, US	daily rain	36.1 mm (1.4 in)	5.6 mm (0.22 in)	120 years	46 of 100 (Notable)
25 May 2021	Holmbo_D, SE	daily rain	26.1 mm (1.0 in)	11.8 mm (0.5 in)	50 years	45 of 100 (Notable)
25 May 2021	Saffle, SE	daily rain	25.8 mm (1.0 in)	14.9 mm (0.6 in)	40 years	45 of 100 (Notable)
25 May 2021	Uil, KZ	daily high max	39.5 C (103.1 F)	2.3 C (4.1 F)	104 years	44 of 100 (Notable)
25 May 2021	Lakin, US	daily rain	64.8 mm (2.6 in)	39.1 mm (1.5 in)	6 years	43 of 100 (Notable)
25 May 2021	Orenburg, RU	daily high max	36.1 C (97.0 F)	1.2 C (2.2 F)	104 years	42 of 100 (Notable)
25 May 2021	Sioux Ctr 2 SE, US	daily high min	18.9 C (66.0 F)	1.1 C (2.0 F)	107 years	42 of 100 (Notable)
25 May 2021	Clinton #1, US	daily high min	21.7 C (71.1 F)	0.6 C (1.1 F)	103 years	41 of 100 (Notable)
25 May 2021	Elkader 6 SSW, US	daily high min	20.6 C (69.1 F)	0.6 C (1.1 F)	107 years	41 of 100 (Notable)
25 May 2021	Pocahontas, US	daily high min	20.0 C (68.0 F)	0.6 C (1.1 F)	107 years	41 of 100 (Notable)
25 May 2021	Lancaster 4 WSW, US	daily high min	20.0 C (68.0 F)	0.6 C (1.1 F)	103 years	41 of 100 (Notable)
25 May 2021	Hillsdale, US	daily high min	18.3 C (64.9 F)	0.5 C (0.9 F)	107 years	40 of 100 (Notable)
25 May 2021	Fairfield, US	daily snow depth	10.2 cm (4.0 in)	10.2 cm (4.0 in)	72 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

1793 to 2021

Records set or tied on this calendar date in each year from 1793 to 2021. 2021 had 505 records.

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

Records on 05-25 in each year
Year	Records
1793	1
1795	1
1797	1
1824	1
1830	1
1837	2
1839	1
1841	1
1846	2
1847	3
1848	1
1852	1
1864	1
1865	1
1866	2
1867	2
1868	3
1869	1
1870	1
1875	1
1879	2
1880	3
1881	1
1883	1
1886	1
1887	2
1889	3
1890	12
1891	1
1892	1
1893	1
1894	1
1895	3
1897	1
1898	5
1899	2
1900	5
1901	10
1902	2
1903	7
1904	14
1905	9
1906	41
1907	18
1908	25
1909	20
1910	35
1911	15
1912	21
1913	46
1914	33
1915	20
1916	33
1917	53
1918	22
1919	36
1920	59
1921	208
1922	118
1923	113
1924	277
1925	675
1926	221
1927	240
1928	301
1929	122
1930	156
1931	262
1932	358
1933	400
1934	219
1935	301
1936	407
1937	176
1938	456
1939	322
1940	259
1941	297
1942	534
1943	567
1944	392
1945	225
1946	371
1947	588
1948	317
1949	371
1950	644
1951	542
1952	436
1953	1,024
1954	284
1955	1,068
1956	940
1957	463
1958	439
1959	316
1960	493
1961	254
1962	567
1963	352
1964	716
1965	662
1966	295
1967	946
1968	394
1969	367
1970	385
1971	700
1972	477
1973	595
1974	820
1975	922
1976	412
1977	946
1978	581
1979	1,432
1980	1,160
1981	1,072
1982	714
1983	1,147
1984	677
1985	519
1986	500
1987	703
1988	635
1989	1,190
1990	656
1991	1,768
1992	1,682
1993	824
1994	773
1995	1,546
1996	1,304
1997	1,513
1998	882
1999	708
2000	1,417
2001	1,201
2002	1,001
2003	918
2004	903
2005	909
2006	801
2007	1,420
2008	840
2009	1,088
2010	1,512
2011	1,180
2012	1,616
2013	912
2014	761
2015	407
2016	429
2017	829
2018	800
2019	641
2020	564
2021	505
2022	752
2023	305
2024	688
2025	527
2026	913

Download the Data

Data for records on 2021-05-25: 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	393
20 to 40	9
40 to 60	1
60 to 80	1
80 to 100	1
100 to 120	2