Weather Records on 1 May 2025

430 weather records were set or tied worldwide on 1 May 2025. Highest significance: Holm, RU.

Key Facts for 1 May 2025

On 1 May 2025, 430 weather records were set or tied at long-record stations worldwide.
301 were record highs and 38 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 12 monthly and 418 daily.
Holm set a daily record precipitation of 26.8 mm (1.1 in) on 1 May 2025.
Across 165 earlier years (1795 to 2026) the same calendar date averaged 442 records.

Record Map

430 stations

430 station records on 1 May 2025 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 May 2025: highest significance records shown on the map
Station	Country	Type	Value	Significance
Holm	Russia	Record daily precipitation	26.8 mm (1.1 in)	59 of 100 (Notable)
Jefferson	United States	Record daily precipitation	99.6 mm (3.9 in)	56 of 100 (Notable)
Longview	United States	Record daily precipitation	114.3 mm (4.5 in)	52 of 100 (Notable)
Keithville	United States	Record daily precipitation	98.0 mm (3.9 in)	48 of 100 (Notable)
Sarajevo	Bosnia and Herzegovina	Record low maximum temperature	2.2 C (36.0 F)	47 of 100 (Notable)
Carthage	United States	Record daily precipitation	71.4 mm (2.8 in)	45 of 100 (Notable)
Aguirre	Puerto Rico [United States]	Record low maximum temperature	26.7 C (80.1 F)	44 of 100 (Notable)
Red Rvr Rsch STN	United States	Record daily precipitation	88.6 mm (3.5 in)	44 of 100 (Notable)
Portland	United States	Record daily precipitation	57.7 mm (2.3 in)	43 of 100 (Notable)
Bowie	United States	Record daily precipitation	78.7 mm (3.1 in)	43 of 100 (Notable)
Paris	United States	Record daily precipitation	57.4 mm (2.3 in)	42 of 100 (Notable)
Madison Dane Co Rgnl AP	United States	Record daily precipitation	45.7 mm (1.8 in)	42 of 100 (Notable)
Christchurch Intl	New Zealand	Record daily precipitation	80.8 mm (3.2 in)	41 of 100 (Notable)
Itasca 5SSW	United States	Record daily precipitation	78.0 mm (3.1 in)	41 of 100 (Notable)
Mooringsport 1 N	United States	Record daily precipitation	83.8 mm (3.3 in)	40 of 100 (Notable)
Dedougou	Burkina Faso	Record low maximum temperature	28.0 C (82.4 F)	40 of 100 (Notable)
Halepohaku 111	United States	Record daily precipitation	52.1 mm (2.1 in)	39 of 100 (Notable)
Partizansk	Russia	Record daily precipitation	29.0 mm (1.1 in)	38 of 100 (Notable)
Augusta	United States	Record daily precipitation	36.6 mm (1.4 in)	37 of 100 (Notable)
Glen Elder Lake	United States	Record daily precipitation	48.5 mm (1.9 in)	37 of 100 (Notable)
Atlanta	United States	Record daily precipitation	57.9 mm (2.3 in)	37 of 100 (Notable)
Schleswig	Germany	Record high maximum temperature	25.4 C (77.7 F)	36 of 100 (Notable)
Calcutta/Alipore	India	Record daily precipitation	30.0 mm (1.2 in)	36 of 100 (Notable)
Lewisville	United States	Record daily precipitation	55.9 mm (2.2 in)	36 of 100 (Notable)
Bardwell Dam	United States	Record daily precipitation	80.3 mm (3.2 in)	36 of 100 (Notable)
Hanzhong	China	Record high maximum temperature	36.8 C (98.2 F)	35 of 100 (Notable)
Caen-Carpiquet	France	Record high maximum temperature	28.2 C (82.8 F)	35 of 100 (Notable)
Saint Bernard	United States	Record high minimum temperature	19.4 C (66.9 F)	34 of 100 (Routine)
Henderson	United States	Record daily precipitation	99.6 mm (3.9 in)	34 of 100 (Routine)
Bikaner	India	Record high minimum temperature	33.0 C (91.4 F)	33 of 100 (Routine)
Las Palmas de Gran Canaria/Gan	Spain	Record low minimum temperature	11.1 C (52.0 F)	33 of 100 (Routine)
Plain Dealing	United States	Record daily precipitation	72.4 mm (2.9 in)	33 of 100 (Routine)
Norfolk NAS	United States	Record high minimum temperature	22.2 C (72.0 F)	33 of 100 (Routine)
Uccle	Belgium	Record high maximum temperature	27.8 C (82.0 F)	32 of 100 (Routine)
Trier-Zewen	Germany	Record high maximum temperature	28.6 C (83.5 F)	32 of 100 (Routine)
Philibert Tsiranana	Madagascar	Record high maximum temperature	37.5 C (99.5 F)	32 of 100 (Routine)
Ft Madison	United States	Record daily precipitation	38.1 mm (1.5 in)	32 of 100 (Routine)
Jersey: Airport	United Kingdom	Record high minimum temperature	16.0 C (60.8 F)	31 of 100 (Routine)
Evansville Rgnl AP	United States	Record high minimum temperature	19.4 C (66.9 F)	31 of 100 (Routine)
Boltenhagen	Germany	Record high maximum temperature	23.5 C (74.3 F)	30 of 100 (Routine)
Calion L&D	United States	Record daily precipitation	39.6 mm (1.6 in)	30 of 100 (Routine)
Capitan Carlos Martinez de Pi	Peru	Record low minimum temperature	11.4 C (52.5 F)	29 of 100 (Routine)
Marshall	United States	Record daily precipitation	132.6 mm (5.2 in)	29 of 100 (Routine)
Alencon-Valframbert	France	Record high maximum temperature	26.1 C (79.0 F)	27 of 100 (Routine)
Belle Ile - le Talut	France	Record high minimum temperature	14.7 C (58.5 F)	27 of 100 (Routine)
Srinagar	India	Record high minimum temperature	17.0 C (62.6 F)	27 of 100 (Routine)
Raoul Isl/Kermadec	New Zealand	Record high maximum temperature	25.0 C (77.0 F)	27 of 100 (Routine)
Jinnah Intl	Pakistan	Record high minimum temperature	27.5 C (81.5 F)	27 of 100 (Routine)
Kedougou	Senegal	Record low maximum temperature	32.1 C (89.8 F)	27 of 100 (Routine)
San Sebastian - Igueldo	Spain	Record high minimum temperature	15.6 C (60.1 F)	27 of 100 (Routine)
Honolulu Intl AP	United States	Record high maximum temperature	31.1 C (88.0 F)	27 of 100 (Routine)
Phu Quoc	Vietnam	Record daily precipitation	82.3 mm (3.2 in)	27 of 100 (Routine)
Cleve	Australia	Record low minimum temperature	5.5 C (41.9 F)	26 of 100 (Routine)
Ploumanac'h	France	Record high maximum temperature	25.3 C (77.5 F)	26 of 100 (Routine)
Homer 1N	United States	Record daily precipitation	71.4 mm (2.8 in)	26 of 100 (Routine)
Marblehead	United States	Record high minimum temperature	15.6 C (60.1 F)	26 of 100 (Routine)
Lewisville Dam	United States	Record daily precipitation	66.0 mm (2.6 in)	26 of 100 (Routine)
Longview Wsmo	United States	Record daily precipitation	113.3 mm (4.5 in)	26 of 100 (Routine)
Jartai	China	Record high minimum temperature	17.7 C (63.9 F)	25 of 100 (Routine)
Westermarkelsdorf/Fehmarn	Germany	Record high maximum temperature	21.9 C (71.4 F)	25 of 100 (Routine)

Counts by Type and Timescale

430 records

Records set or tied on 1 May 2025 by type: Highest daily maximum 142, Lowest daily maximum 20, Highest daily minimum 159, Lowest daily minimum 18, Heaviest daily rainfall 90, Deepest snow cover 1.

Records on 1 May 2025 by type
Record type	Records
Highest daily maximum	142
Lowest daily maximum	20
Highest daily minimum	159
Lowest daily minimum	18
Heaviest daily rainfall	90
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 1 May 2025 by timescale: all-time 0, monthly 12, daily 418.

How Much Records Were Beaten By

353 broken records

Margins by which the 353 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 60.7. Ties are not counted.

Top 20 by Significance

1 May 2025

Top 20 records on 1 May 2025 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 May 2025	Holm, RU	daily rain	26.8 mm (1.1 in)	14.4 mm (0.6 in)	76 years	59 of 100 (Notable)
1 May 2025	Jefferson, US	daily rain	99.6 mm (3.9 in)	43.0 mm (1.7 in)	80 years	56 of 100 (Notable)
1 May 2025	Longview, US	daily rain	114.3 mm (4.5 in)	35.6 mm (1.4 in)	80 years	52 of 100 (Notable)
1 May 2025	Keithville, US	daily rain	98.0 mm (3.9 in)	49.0 mm (1.9 in)	55 years	48 of 100 (Notable)
1 May 2025	Sarajevo, BA	daily low max	2.2 C (36.0 F)	4.0 C (7.2 F)	106 years	47 of 100 (Notable)
1 May 2025	Carthage, US	daily rain	71.4 mm (2.8 in)	31.5 mm (1.2 in)	63 years	45 of 100 (Notable)
1 May 2025	Aguirre, PR	daily low max	26.7 C (80.1 F)	2.7 C (4.9 F)	48 years	44 of 100 (Notable)
1 May 2025	Red Rvr Rsch STN, US	daily rain	88.6 mm (3.5 in)	60.7 mm (2.4 in)	40 years	44 of 100 (Notable)
1 May 2025	Portland, US	daily rain	57.7 mm (2.3 in)	5.6 mm (0.22 in)	106 years	43 of 100 (Notable)
1 May 2025	Bowie, US	daily rain	78.7 mm (3.1 in)	27.9 mm (1.1 in)	68 years	43 of 100 (Notable)
1 May 2025	Paris, US	daily rain	57.4 mm (2.3 in)	19.0 mm (0.7 in)	75 years	42 of 100 (Notable)
1 May 2025	Madison Dane Co Rgnl AP, US	daily rain	45.7 mm (1.8 in)	19.8 mm (0.8 in)	52 years	42 of 100 (Notable)
1 May 2025	Christchurch Intl, NZ	monthly rain	80.8 mm (3.2 in)	17.6 mm (0.7 in)	3 years	41 of 100 (Notable)
1 May 2025	Itasca 5SSW, US	daily rain	78.0 mm (3.1 in)	47.5 mm (1.9 in)	20 years	41 of 100 (Notable)
1 May 2025	Mooringsport 1 N, US	daily rain	83.8 mm (3.3 in)	36.0 mm (1.4 in)	44 years	40 of 100 (Notable)
1 May 2025	Dedougou, BF	daily low max	28.0 C (82.4 F)	6.8 C (12.2 F)	35 years	40 of 100 (Notable)
1 May 2025	Halepohaku 111, US	monthly rain	52.1 mm (2.1 in)	12.7 mm (0.5 in)	22 years	39 of 100 (Notable)
1 May 2025	Partizansk, RU	daily rain	29.0 mm (1.1 in)	5.6 mm (0.22 in)	80 years	38 of 100 (Notable)
1 May 2025	Augusta, US	daily rain	36.6 mm (1.4 in)	15.0 mm (0.6 in)	55 years	37 of 100 (Notable)
1 May 2025	Glen Elder Lake, US	daily rain	48.5 mm (1.9 in)	25.1 mm (1.0 in)	30 years	37 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 2025

Records set or tied on this calendar date in each year from 1795 to 2025. 2025 had 430 records.

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

Records on 05-01 in each year
Year	Records
1795	1
1802	1
1804	1
1814	1
1818	1
1835	1
1836	1
1840	1
1846	2
1847	1
1850	1
1851	1
1857	1
1860	1
1861	1
1864	2
1865	1
1868	2
1872	1
1875	4
1878	2
1879	2
1880	3
1881	2
1884	1
1885	1
1886	2
1887	2
1888	2
1889	3
1890	2
1891	5
1892	6
1893	2
1894	5
1896	1
1897	4
1898	1
1899	8
1900	1
1901	5
1902	7
1903	9
1904	9
1905	13
1906	12
1907	31
1908	20
1909	49
1910	13
1911	22
1912	18
1913	54
1914	23
1915	27
1916	27
1917	37
1918	34
1919	150
1920	186
1921	41
1922	92
1923	64
1924	63
1925	118
1926	500
1927	125
1928	190
1929	142
1930	263
1931	537
1932	220
1933	706
1934	305
1935	276
1936	368
1937	218
1938	304
1939	227
1940	731
1941	333
1942	1,036
1943	526
1944	229
1945	350
1946	415
1947	655
1948	774
1949	405
1950	439
1951	894
1952	557
1953	917
1954	1,506
1955	772
1956	1,106
1957	359
1958	448
1959	764
1960	737
1961	588
1962	615
1963	704
1964	312
1965	360
1966	707
1967	948
1968	426
1969	429
1970	1,075
1971	444
1972	562
1973	841
1974	589
1975	286
1976	673
1977	545
1978	1,202
1979	612
1980	507
1981	1,265
1982	508
1983	1,423
1984	640
1985	789
1986	512
1987	1,098
1988	1,058
1989	949
1990	922
1991	633
1992	1,201
1993	1,101
1994	1,210
1995	1,365
1996	1,439
1997	804
1998	951
1999	932
2000	809
2001	1,106
2002	1,221
2003	964
2004	887
2005	1,320
2006	734
2007	857
2008	979
2009	679
2010	1,151
2011	716
2012	796
2013	976
2014	941
2015	550
2016	844
2017	1,163
2018	519
2019	788
2020	1,099
2021	834
2022	319
2023	912
2024	458
2025	430
2026	623

Download the Data

Data for records on 2025-05-01: 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	317
10 to 20	21
20 to 30	5
30 to 40	5
40 to 50	3
50 to 60	1
60 to 70	1