Weather Records on 25 May 1939

322 weather records were set or tied worldwide on 25 May 1939. Highest significance: Arad, RO.

Key Facts for 25 May 1939

On 25 May 1939, 322 weather records were set or tied at long-record stations worldwide.
203 were record highs and 41 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 316 daily.
Arad set a daily record precipitation of 47.6 mm (1.9 in) on 25 May 1939.
Across 162 earlier years (1793 to 2026) the same calendar date averaged 443 records.

Record Map

322 stations

322 station records on 25 May 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 25 May 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Arad	Romania	Record daily precipitation	47.6 mm (1.9 in)	51 of 100 (Notable)
Morganton	United States	Record daily precipitation	55.9 mm (2.2 in)	41 of 100 (Notable)
Cairo 3N	United States	Record daily precipitation	45.7 mm (1.8 in)	40 of 100 (Notable)
Charlotte Wb City	United States	Record daily precipitation	56.9 mm (2.2 in)	39 of 100 (Notable)
Sonamarg &	India	Record daily precipitation	47.8 mm (1.9 in)	36 of 100 (Notable)
Merrill	United States	Record daily precipitation	31.2 mm (1.2 in)	34 of 100 (Routine)
Greenville Wtp	United States	Record daily precipitation	47.2 mm (1.9 in)	33 of 100 (Routine)
Asheville	United States	Record daily precipitation	28.2 mm (1.1 in)	29 of 100 (Routine)
Bay Saint Louis	United States	Record daily precipitation	125.7 mm (4.9 in)	28 of 100 (Routine)
Lenoir	United States	Record daily precipitation	35.6 mm (1.4 in)	27 of 100 (Routine)
Stanley Wwtp	United States	Record daily precipitation	43.4 mm (1.7 in)	27 of 100 (Routine)
Burrwood Wb	United States	Record daily precipitation	75.7 mm (3.0 in)	27 of 100 (Routine)
Gospic	Croatia	Record daily precipitation	31.3 mm (1.2 in)	25 of 100 (Routine)
Antigo	United States	Record daily precipitation	41.9 mm (1.6 in)	24 of 100 (Routine)
Berlin-Dahlem	Germany	Record daily precipitation	27.3 mm (1.1 in)	23 of 100 (Routine)
Lake Moraine	United States	Record daily snowfall	7.6 cm (3.0 in)	23 of 100 (Routine)
Mt Ayr	United States	Record high minimum temperature	22.2 C (72.0 F)	23 of 100 (Routine)
Anderson	United States	Record daily precipitation	50.8 mm (2.0 in)	23 of 100 (Routine)
Fredericton Unb	Canada	Record high minimum temperature	11.7 C (53.1 F)	22 of 100 (Routine)
Centralia	United States	Record high minimum temperature	22.8 C (73.0 F)	22 of 100 (Routine)
Long Lake Dam	United States	Record daily precipitation	43.2 mm (1.7 in)	21 of 100 (Routine)
Lovell	United States	Record low maximum temperature	10.6 C (51.1 F)	21 of 100 (Routine)
Tarnaby	Sweden	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Springer	United States	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Abbott 1 SE	United States	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
St John's	Canada	Record daily snowfall	1.3 cm (0.5 in)	20 of 100 (Routine)
Susendal	Norway	Record daily precipitation	21.5 mm (0.8 in)	20 of 100 (Routine)
University Exp STN	United States	Record daily precipitation	5.6 mm (0.22 in)	20 of 100 (Routine)
Kakabeka Falls	Canada	Record daily precipitation	11.2 mm (0.4 in)	20 of 100 (Routine)
Chemnitz	Germany	Record low maximum temperature	9.5 C (49.1 F)	20 of 100 (Routine)
Gravette	United States	Record high maximum temperature	34.4 C (93.9 F)	20 of 100 (Routine)
Algona	United States	Record high maximum temperature	37.2 C (99.0 F)	20 of 100 (Routine)
Glenwood 3SW	United States	Record high maximum temperature	35.0 C (95.0 F)	20 of 100 (Routine)
Gordon 6N	United States	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
Hot Springs 2	United States	Record high maximum temperature	35.0 C (95.0 F)	20 of 100 (Routine)
Dayton Mcd	United States	Record daily precipitation	41.9 mm (1.6 in)	20 of 100 (Routine)
Donnybrook	Australia	Record high maximum temperature	25.1 C (77.2 F)	19 of 100 (Routine)
Eureka Springs 3 WNW	United States	Record daily precipitation	52.1 mm (2.1 in)	19 of 100 (Routine)
Canon City	United States	Record low minimum temperature	2.8 C (37.0 F)	19 of 100 (Routine)
Sibley	United States	Record high maximum temperature	33.9 C (93.0 F)	19 of 100 (Routine)
Bridgetown Comparison	Australia	Record high maximum temperature	24.9 C (76.8 F)	18 of 100 (Routine)
Szeged	Hungary	Record low maximum temperature	13.4 C (56.1 F)	18 of 100 (Routine)
Dras	India	Record daily precipitation	18.8 mm (0.7 in)	18 of 100 (Routine)
Achinsk	Russia	Record daily precipitation	12.8 mm (0.5 in)	18 of 100 (Routine)
Claremont Pomona Clg	United States	Record high maximum temperature	38.9 C (102.0 F)	18 of 100 (Routine)
Boulder	United States	Record daily precipitation	25.1 mm (1.0 in)	18 of 100 (Routine)
Las Animas	United States	Record daily precipitation	17.3 mm (0.7 in)	18 of 100 (Routine)
Houma	United States	Record daily precipitation	37.6 mm (1.5 in)	18 of 100 (Routine)
S Haven	United States	Record high maximum temperature	31.7 C (89.1 F)	18 of 100 (Routine)
Weissenburg	Germany	Record low maximum temperature	12.4 C (54.3 F)	17 of 100 (Routine)
Cedaredge	United States	Record low minimum temperature	1.7 C (35.1 F)	17 of 100 (Routine)
Ft Dodge 5NNW	United States	Record high minimum temperature	18.9 C (66.0 F)	17 of 100 (Routine)
Ironwood	United States	Record daily precipitation	33.0 mm (1.3 in)	17 of 100 (Routine)
Bethany	United States	Record high minimum temperature	21.7 C (71.1 F)	17 of 100 (Routine)
Conception	United States	Record daily precipitation	51.1 mm (2.0 in)	17 of 100 (Routine)
Banner Elk	United States	Record daily precipitation	46.7 mm (1.8 in)	17 of 100 (Routine)
Rockingham	United States	Record high minimum temperature	20.0 C (68.0 F)	17 of 100 (Routine)
Burkes Garden	United States	Record daily precipitation	32.5 mm (1.3 in)	17 of 100 (Routine)
Marlinton	United States	Record high maximum temperature	30.6 C (87.1 F)	17 of 100 (Routine)
Perth Regional Office	Australia	Record high minimum temperature	16.3 C (61.3 F)	16 of 100 (Routine)

Counts by Type and Timescale

322 records

Records set or tied on 25 May 1939 by type: Highest daily maximum 130, Lowest daily maximum 26, Highest daily minimum 73, Lowest daily minimum 15, Heaviest daily rainfall 75, Heaviest daily snowfall 3.

Records on 25 May 1939 by type
Record type	Records
Highest daily maximum	130
Lowest daily maximum	26
Highest daily minimum	73
Lowest daily minimum	15
Heaviest daily rainfall	75
Heaviest daily snowfall	3
Deepest snow cover	0

Records on 25 May 1939 by timescale: all-time 0, monthly 6, daily 316.

How Much Records Were Beaten By

236 broken records

Margins by which the 236 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 76.0. Ties are not counted.

Top 20 by Significance

25 May 1939

Top 20 records on 25 May 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 May 1939	Arad, RO	daily rain	47.6 mm (1.9 in)	25.8 mm (1.0 in)	39 years	51 of 100 (Notable)
25 May 1939	Morganton, US	daily rain	55.9 mm (2.2 in)	34.6 mm (1.4 in)	28 years	41 of 100 (Notable)
25 May 1939	Cairo 3N, US	daily rain	45.7 mm (1.8 in)	31.5 mm (1.2 in)	29 years	40 of 100 (Notable)
25 May 1939	Charlotte Wb City, US	daily rain	56.9 mm (2.2 in)	28.2 mm (1.1 in)	36 years	39 of 100 (Notable)
25 May 1939	Sonamarg &, IN	daily rain	47.8 mm (1.9 in)	29.5 mm (1.2 in)	32 years	36 of 100 (Notable)
25 May 1939	Merrill, US	daily rain	31.2 mm (1.2 in)	19.5 mm (0.8 in)	32 years	34 of 100 (Routine)
25 May 1939	Greenville Wtp, US	daily rain	47.2 mm (1.9 in)	19.0 mm (0.7 in)	36 years	33 of 100 (Routine)
25 May 1939	Asheville, US	daily rain	28.2 mm (1.1 in)	10.4 mm (0.4 in)	43 years	29 of 100 (Routine)
25 May 1939	Bay Saint Louis, US	daily rain	125.7 mm (4.9 in)	57.1 mm (2.2 in)	16 years	28 of 100 (Routine)
25 May 1939	Lenoir, US	daily rain	35.6 mm (1.4 in)	18.6 mm (0.7 in)	28 years	27 of 100 (Routine)
25 May 1939	Stanley Wwtp, US	daily rain	43.4 mm (1.7 in)	15.5 mm (0.6 in)	30 years	27 of 100 (Routine)
25 May 1939	Burrwood Wb, US	daily rain	75.7 mm (3.0 in)	60.5 mm (2.4 in)	4 years	27 of 100 (Routine)
25 May 1939	Gospic, HR	daily rain	31.3 mm (1.2 in)	1.1 mm (0.04 in)	65 years	25 of 100 (Routine)
25 May 1939	Antigo, US	daily rain	41.9 mm (1.6 in)	11.4 mm (0.4 in)	34 years	24 of 100 (Routine)
25 May 1939	Berlin-Dahlem, DE	daily rain	27.3 mm (1.1 in)	4.8 mm (0.19 in)	30 years	23 of 100 (Routine)
25 May 1939	Lake Moraine, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	43 years	23 of 100 (Routine)
25 May 1939	Mt Ayr, US	monthly high min	22.2 C (72.0 F)	1.1 C (2.0 F)	24 years	23 of 100 (Routine)
25 May 1939	Anderson, US	daily rain	50.8 mm (2.0 in)	20.3 mm (0.8 in)	26 years	23 of 100 (Routine)
25 May 1939	Fredericton Unb, CA	daily high min	11.7 C (53.1 F)	0.6 C (1.1 F)	52 years	22 of 100 (Routine)
25 May 1939	Centralia, US	monthly high min	22.8 C (73.0 F)	0.6 C (1.1 F)	28 years	22 of 100 (Routine)

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 1939

Records set or tied on this calendar date in each year from 1793 to 1939. 1939 had 322 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 1939-05-25: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 10	211
10 to 20	15
20 to 30	5
30 to 40	2
40 to 50	0
50 to 60	1
60 to 70	1
70 to 80	1