Weather Records on 15 May 2025

801 weather records were set or tied worldwide on 15 May 2025. Highest significance: Laghouat, DZ.

Key Facts for 15 May 2025

On 15 May 2025, 801 weather records were set or tied at long-record stations worldwide.
507 were record highs and 131 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 29 monthly and 772 daily.
Laghouat set a daily record precipitation of 36.1 mm (1.4 in) on 15 May 2025.
Across 162 earlier years (1820 to 2026) the same calendar date averaged 428 records.

Record Map

801 stations

801 station records on 15 May 2025 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 May 2025: highest significance records shown on the map
Station	Country	Type	Value	Significance
Laghouat	Algeria	Record daily precipitation	36.1 mm (1.4 in)	73 of 100 (Major)
Kenmare 1 WSW	United States	Record daily precipitation	63.2 mm (2.5 in)	62 of 100 (Major)
Winner	United States	Record daily precipitation	78.7 mm (3.1 in)	62 of 100 (Major)
New Salem 5NW	United States	Record daily precipitation	55.4 mm (2.2 in)	60 of 100 (Major)
Riverdale	United States	Record daily precipitation	47.5 mm (1.9 in)	59 of 100 (Notable)
Valentine Nwr	United States	Record daily precipitation	57.7 mm (2.3 in)	57 of 100 (Notable)
Findlay Wpcc	United States	Record daily precipitation	90.2 mm (3.6 in)	57 of 100 (Notable)
Kirley 7 N	United States	Record daily precipitation	66.0 mm (2.6 in)	57 of 100 (Notable)
Midland	United States	Record daily precipitation	41.9 mm (1.6 in)	56 of 100 (Notable)
Richardton Abbey	United States	Record daily precipitation	48.5 mm (1.9 in)	55 of 100 (Notable)
De Smet	United States	Record daily precipitation	37.6 mm (1.5 in)	55 of 100 (Notable)
Center 4SE	United States	Record daily precipitation	46.5 mm (1.8 in)	54 of 100 (Notable)
Dupree 15 SSE	United States	Record daily precipitation	78.5 mm (3.1 in)	53 of 100 (Notable)
Lemmon	United States	Record daily precipitation	58.9 mm (2.3 in)	52 of 100 (Notable)
Sidney	United States	Record daily precipitation	31.8 mm (1.3 in)	51 of 100 (Notable)
Heart Butte Dam	United States	Record daily precipitation	70.1 mm (2.8 in)	51 of 100 (Notable)
Gyshgy	Turkmenistan	Record high minimum temperature	23.6 C (74.5 F)	50 of 100 (Notable)
Shields	United States	Record daily precipitation	61.0 mm (2.4 in)	50 of 100 (Notable)
Mc Intosh 6 SE	United States	Record daily precipitation	53.3 mm (2.1 in)	50 of 100 (Notable)
Oahe Dam	United States	Record daily precipitation	47.8 mm (1.9 in)	50 of 100 (Notable)
Golden Valley 9S	United States	Record daily precipitation	58.4 mm (2.3 in)	49 of 100 (Notable)
Cottonwood 2 E	United States	Record daily precipitation	31.5 mm (1.2 in)	49 of 100 (Notable)
Lambertville	United States	Record daily precipitation	47.8 mm (1.9 in)	48 of 100 (Notable)
Kealakekua 26.2	United States	Record high minimum temperature	20.0 C (68.0 F)	48 of 100 (Notable)
Kennebec	United States	Record daily precipitation	38.9 mm (1.5 in)	46 of 100 (Notable)
Murdo	United States	Record daily precipitation	55.4 mm (2.2 in)	46 of 100 (Notable)
Burwell 2WSW	United States	Record daily precipitation	91.4 mm (3.6 in)	45 of 100 (Notable)
Onida 4 NW	United States	Record daily precipitation	50.8 mm (2.0 in)	45 of 100 (Notable)
Idabel	United States	Record high maximum temperature	34.4 C (93.9 F)	44 of 100 (Notable)
Paris	United States	Record high maximum temperature	36.1 C (97.0 F)	44 of 100 (Notable)
Turnu Magurele	Romania	Record low minimum temperature	3.6 C (38.5 F)	43 of 100 (Notable)
Shoals 8 S	United States	Record high minimum temperature	20.0 C (68.0 F)	43 of 100 (Notable)
New Iberia AP - Acadiana Rgnl	United States	Record high minimum temperature	24.4 C (75.9 F)	43 of 100 (Notable)
Fortuna 1 W	United States	Record daily precipitation	29.0 mm (1.1 in)	43 of 100 (Notable)
Mobridge 2NNW	United States	Record daily precipitation	43.7 mm (1.7 in)	43 of 100 (Notable)
Bonham 3NNE	United States	Record high maximum temperature	35.6 C (96.1 F)	43 of 100 (Notable)
San Augustine	United States	Record high minimum temperature	22.2 C (72.0 F)	43 of 100 (Notable)
Grootfontein	Namibia	Record daily precipitation	29.0 mm (1.1 in)	43 of 100 (Notable)
Vitoria/Foronda	Spain	Record daily precipitation	36.1 mm (1.4 in)	42 of 100 (Notable)
Dickinson Exp STN	United States	Record daily precipitation	38.4 mm (1.5 in)	42 of 100 (Notable)
Keene 3S	United States	Record daily precipitation	38.6 mm (1.5 in)	42 of 100 (Notable)
Academy 2NE	United States	Record daily precipitation	33.5 mm (1.3 in)	42 of 100 (Notable)
Velikij_Ustjug	Russia	Record daily precipitation	27.9 mm (1.1 in)	41 of 100 (Notable)
Gravette	United States	Record high maximum temperature	31.7 C (89.1 F)	41 of 100 (Notable)
Healdton 3 E	United States	Record high maximum temperature	35.0 C (95.0 F)	41 of 100 (Notable)
Lafayette Rgnl AP	United States	Record high minimum temperature	24.4 C (75.9 F)	41 of 100 (Notable)
Dickinson Theodore Roosevelt R	United States	Record daily precipitation	57.2 mm (2.3 in)	41 of 100 (Notable)
Chardzhev	Turkmenistan	Record high maximum temperature	42.3 C (108.1 F)	40 of 100 (Notable)
Shoshone	United States	Record low maximum temperature	13.9 C (57.0 F)	40 of 100 (Notable)
Bison	United States	Record daily precipitation	53.8 mm (2.1 in)	40 of 100 (Notable)
Somerset	United States	Record daily precipitation	73.7 mm (2.9 in)	40 of 100 (Notable)
Hancock Houghton Co AP	United States	Record daily precipitation	30.0 mm (1.2 in)	40 of 100 (Notable)
Tamdy	Uzbekistan	Record high minimum temperature	30.1 C (86.2 F)	40 of 100 (Notable)
Yonago	Japan	Record high minimum temperature	21.2 C (70.2 F)	39 of 100 (Notable)
Turkestan	Kazakhstan	Record high maximum temperature	40.9 C (105.6 F)	39 of 100 (Notable)
Chardzhev	Turkmenistan	Record high minimum temperature	23.3 C (73.9 F)	39 of 100 (Notable)
Mission 14 S	United States	Record daily precipitation	39.6 mm (1.6 in)	39 of 100 (Notable)
Baton Rouge Metro AP	United States	Record high minimum temperature	24.4 C (75.9 F)	39 of 100 (Notable)
Ganca	Azerbaijan	Record low maximum temperature	15.5 C (59.9 F)	38 of 100 (Notable)
Balhash	Kazakhstan	Record high minimum temperature	23.6 C (74.5 F)	38 of 100 (Notable)

Counts by Type and Timescale

801 records

Records set or tied on 15 May 2025 by type: Highest daily maximum 184, Lowest daily maximum 88, Highest daily minimum 323, Lowest daily minimum 43, Heaviest daily rainfall 159, Heaviest daily snowfall 1, Deepest snow cover 3.

Records on 15 May 2025 by type
Record type	Records
Highest daily maximum	184
Lowest daily maximum	88
Highest daily minimum	323
Lowest daily minimum	43
Heaviest daily rainfall	159
Heaviest daily snowfall	1
Deepest snow cover	3

Records on 15 May 2025 by timescale: all-time 0, monthly 29, daily 772.

How Much Records Were Beaten By

630 broken records

Margins by which the 630 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 64.0. Ties are not counted.

Top 20 by Significance

15 May 2025

Top 20 records on 15 May 2025 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 May 2025	Laghouat, DZ	daily rain	36.1 mm (1.4 in)	28.1 mm (1.1 in)	92 years	73 of 100 (Major)
15 May 2025	Kenmare 1 WSW, US	daily rain	63.2 mm (2.5 in)	34.0 mm (1.3 in)	59 years	62 of 100 (Major)
15 May 2025	Winner, US	daily rain	78.7 mm (3.1 in)	38.1 mm (1.5 in)	63 years	62 of 100 (Major)
15 May 2025	New Salem 5NW, US	daily rain	55.4 mm (2.2 in)	32.5 mm (1.3 in)	43 years	60 of 100 (Major)
15 May 2025	Riverdale, US	daily rain	47.5 mm (1.9 in)	32.3 mm (1.3 in)	59 years	59 of 100 (Notable)
15 May 2025	Valentine Nwr, US	daily rain	57.7 mm (2.3 in)	32.3 mm (1.3 in)	72 years	57 of 100 (Notable)
15 May 2025	Findlay Wpcc, US	daily rain	90.2 mm (3.6 in)	42.7 mm (1.7 in)	24 years	57 of 100 (Notable)
15 May 2025	Kirley 7 N, US	daily rain	66.0 mm (2.6 in)	42.6 mm (1.7 in)	43 years	57 of 100 (Notable)
15 May 2025	Midland, US	daily rain	41.9 mm (1.6 in)	16.2 mm (0.6 in)	126 years	56 of 100 (Notable)
15 May 2025	Richardton Abbey, US	daily rain	48.5 mm (1.9 in)	32.5 mm (1.3 in)	59 years	55 of 100 (Notable)
15 May 2025	De Smet, US	daily rain	37.6 mm (1.5 in)	15.8 mm (0.6 in)	103 years	55 of 100 (Notable)
15 May 2025	Center 4SE, US	daily rain	46.5 mm (1.8 in)	30.8 mm (1.2 in)	43 years	54 of 100 (Notable)
15 May 2025	Dupree 15 SSE, US	daily rain	78.5 mm (3.1 in)	57.4 mm (2.3 in)	26 years	53 of 100 (Notable)
15 May 2025	Lemmon, US	daily rain	58.9 mm (2.3 in)	36.0 mm (1.4 in)	10 years	52 of 100 (Notable)
15 May 2025	Sidney, US	daily rain	31.8 mm (1.3 in)	19.4 mm (0.8 in)	59 years	51 of 100 (Notable)
15 May 2025	Heart Butte Dam, US	daily rain	70.1 mm (2.8 in)	59.4 mm (2.3 in)	26 years	51 of 100 (Notable)
15 May 2025	Gyshgy, TM	monthly high min	23.6 C (74.5 F)	0.2 C (0.4 F)	119 years	50 of 100 (Notable)
15 May 2025	Shields, US	daily rain	61.0 mm (2.4 in)	30.5 mm (1.2 in)	43 years	50 of 100 (Notable)
15 May 2025	Mc Intosh 6 SE, US	daily rain	53.3 mm (2.1 in)	25.4 mm (1.0 in)	43 years	50 of 100 (Notable)
15 May 2025	Oahe Dam, US	daily rain	47.8 mm (1.9 in)	23.7 mm (0.9 in)	63 years	50 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

1820 to 2025

Records set or tied on this calendar date in each year from 1820 to 2025. 2025 had 801 records.

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

Records on 05-15 in each year
Year	Records
1820	1
1825	1
1831	1
1832	1
1837	2
1845	1
1847	2
1848	1
1855	2
1857	2
1859	1
1862	1
1863	1
1865	1
1866	2
1867	1
1868	2
1870	1
1871	3
1874	2
1876	4
1878	1
1879	2
1881	1
1883	1
1885	1
1886	2
1888	3
1891	3
1893	5
1894	2
1895	4
1896	2
1897	4
1898	3
1899	9
1900	9
1901	2
1902	9
1903	4
1904	13
1905	16
1906	10
1907	27
1908	25
1909	89
1910	27
1911	27
1912	26
1913	60
1914	16
1915	236
1916	27
1917	80
1918	133
1919	25
1920	58
1921	92
1922	30
1923	125
1924	174
1925	100
1926	161
1927	191
1928	144
1929	161
1930	136
1931	459
1932	368
1933	439
1934	227
1935	288
1936	372
1937	373
1938	393
1939	351
1940	179
1941	454
1942	701
1943	568
1944	630
1945	588
1946	238
1947	334
1948	264
1949	363
1950	260
1951	736
1952	476
1953	426
1954	355
1955	538
1956	466
1957	521
1958	605
1959	764
1960	291
1961	508
1962	1,128
1963	782
1964	347
1965	320
1966	389
1967	609
1968	1,019
1969	790
1970	512
1971	351
1972	484
1973	818
1974	1,230
1975	372
1976	803
1977	1,186
1978	922
1979	404
1980	625
1981	586
1982	500
1983	1,215
1984	1,059
1985	649
1986	679
1987	1,073
1988	643
1989	552
1990	776
1991	1,179
1992	944
1993	784
1994	910
1995	1,750
1996	1,452
1997	1,175
1998	1,641
1999	810
2000	850
2001	1,280
2002	801
2003	1,023
2004	1,046
2005	767
2006	955
2007	949
2008	995
2009	675
2010	1,088
2011	1,298
2012	751
2013	1,081
2014	1,411
2015	717
2016	890
2017	435
2018	1,074
2019	627
2020	472
2021	412
2022	847
2023	566
2024	596
2025	801
2026	481

Download the Data

Data for records on 2025-05-15: 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	568
10 to 20	34
20 to 30	10
30 to 40	10
40 to 50	3
50 to 60	4
60 to 70	1