Weather Records on 25 May 1963

352 weather records were set or tied worldwide on 25 May 1963. Highest significance: Northampton, AU.

Key Facts for 25 May 1963

On 25 May 1963, 352 weather records were set or tied at long-record stations worldwide.
59 were record highs and 154 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 15 monthly and 337 daily.
Northampton set a daily record precipitation of 65.8 mm (2.6 in) on 25 May 1963.
Across 162 earlier years (1793 to 2026) the same calendar date averaged 443 records.

Record Map

352 stations

352 station records on 25 May 1963 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 25 May 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Northampton	Australia	Record daily precipitation	65.8 mm (2.6 in)	61 of 100 (Major)
Mundaring Weir	Australia	Record daily precipitation	104.6 mm (4.1 in)	51 of 100 (Notable)
Pesqueira	Brazil	Record daily precipitation	50.5 mm (2.0 in)	49 of 100 (Notable)
Richmond	United States	Record daily precipitation	29.2 mm (1.1 in)	47 of 100 (Notable)
Midland	Australia	Record daily precipitation	91.7 mm (3.6 in)	46 of 100 (Notable)
Rockingham Post Office	Australia	Record daily precipitation	73.2 mm (2.9 in)	45 of 100 (Notable)
Kalamunda	Australia	Record daily precipitation	89.4 mm (3.5 in)	45 of 100 (Notable)
Mundaring	Australia	Record daily precipitation	95.5 mm (3.8 in)	44 of 100 (Notable)
Henley Park	Australia	Record daily precipitation	69.3 mm (2.7 in)	43 of 100 (Notable)
Quilon Pwd	India	Record daily precipitation	149.9 mm (5.9 in)	42 of 100 (Notable)
Port Stanley	Canada	Record low minimum temperature	-1.1 C (30.0 F)	41 of 100 (Notable)
Akalkot	India	Record daily precipitation	58.0 mm (2.3 in)	41 of 100 (Notable)
West Swan	Australia	Record daily precipitation	82.0 mm (3.2 in)	40 of 100 (Notable)
Howatharra	Australia	Record daily precipitation	65.0 mm (2.6 in)	38 of 100 (Notable)
Aruppukottai	India	Record daily precipitation	55.0 mm (2.2 in)	37 of 100 (Notable)
Tarpon Spgs Sewage Plt	United States	Record daily precipitation	63.5 mm (2.5 in)	37 of 100 (Notable)
Nabawa	Australia	Record daily precipitation	39.6 mm (1.6 in)	36 of 100 (Notable)
Ft Davis	United States	Record daily precipitation	36.3 mm (1.4 in)	36 of 100 (Notable)
Harvey Post Office	Australia	Record daily precipitation	66.5 mm (2.6 in)	33 of 100 (Routine)
Balmorhea	United States	Record daily precipitation	31.0 mm (1.2 in)	33 of 100 (Routine)
Red Hill	Australia	Record daily precipitation	33.0 mm (1.3 in)	32 of 100 (Routine)
Serpentine	Australia	Record daily precipitation	96.0 mm (3.8 in)	32 of 100 (Routine)
Barur	India	Record daily precipitation	53.3 mm (2.1 in)	32 of 100 (Routine)
Allambie	Australia	Record daily precipitation	41.9 mm (1.6 in)	31 of 100 (Routine)
Tuckerton 2 NE	United States	Record low minimum temperature	0.0 C (32.0 F)	31 of 100 (Routine)
Newbern	United States	Record daily precipitation	60.2 mm (2.4 in)	31 of 100 (Routine)
Oakland	Australia	Record daily precipitation	34.8 mm (1.4 in)	30 of 100 (Routine)
Brinkley	United States	Record low maximum temperature	20.0 C (68.0 F)	30 of 100 (Routine)
Narra Tarra	Australia	Record daily precipitation	47.8 mm (1.9 in)	29 of 100 (Routine)
Hamel	Australia	Record daily precipitation	79.0 mm (3.1 in)	29 of 100 (Routine)
Borio	India	Record daily precipitation	50.3 mm (2.0 in)	29 of 100 (Routine)
Calico Rock 2 WSW	United States	Record daily precipitation	118.1 mm (4.6 in)	29 of 100 (Routine)
Hays 1 S	United States	Record low maximum temperature	15.6 C (60.1 F)	29 of 100 (Routine)
Lexington 3E	United States	Record low maximum temperature	13.3 C (55.9 F)	29 of 100 (Routine)
Fairbury 7S	United States	Record low maximum temperature	11.7 C (53.1 F)	29 of 100 (Routine)
Edenton	United States	Record low maximum temperature	18.3 C (64.9 F)	29 of 100 (Routine)
Kinston 7 SE	United States	Record low maximum temperature	20.6 C (69.1 F)	29 of 100 (Routine)
Carthage	United States	Record low maximum temperature	19.4 C (66.9 F)	29 of 100 (Routine)
Mumby	Australia	Record daily precipitation	35.6 mm (1.4 in)	28 of 100 (Routine)
White Peak	Australia	Record daily precipitation	53.3 mm (2.1 in)	28 of 100 (Routine)
Canning River Weir	Australia	Record daily precipitation	78.2 mm (3.1 in)	28 of 100 (Routine)
Redlands	Australia	Record daily precipitation	30.2 mm (1.2 in)	28 of 100 (Routine)
Choshi	Japan	Record high maximum temperature	29.5 C (85.1 F)	28 of 100 (Routine)
Glenwood 3SW	United States	Record low maximum temperature	15.0 C (59.0 F)	28 of 100 (Routine)
Farmerville	United States	Record high maximum temperature	33.9 C (93.0 F)	28 of 100 (Routine)
Marble Hill	United States	Record low maximum temperature	16.1 C (61.0 F)	28 of 100 (Routine)
Unionville	United States	Record low maximum temperature	15.6 C (60.1 F)	28 of 100 (Routine)
Highlands	United States	Record low maximum temperature	13.3 C (55.9 F)	28 of 100 (Routine)
Jarrahdale	Australia	Record daily precipitation	86.4 mm (3.4 in)	27 of 100 (Routine)
Kalchini	India	Record daily precipitation	87.6 mm (3.4 in)	27 of 100 (Routine)
Paragould	United States	Record daily precipitation	74.4 mm (2.9 in)	27 of 100 (Routine)
Beloit	United States	Record low maximum temperature	18.3 C (64.9 F)	27 of 100 (Routine)
Greenwood	United States	Record low minimum temperature	8.9 C (48.0 F)	27 of 100 (Routine)
St Louis Eads Brg	United States	Record low maximum temperature	15.6 C (60.1 F)	27 of 100 (Routine)
Whitby Falls	Australia	Record daily precipitation	86.4 mm (3.4 in)	26 of 100 (Routine)
Liepaja	Latvia	Record high minimum temperature	14.5 C (58.1 F)	26 of 100 (Routine)
Wungong Dam	Australia	Record daily precipitation	72.1 mm (2.8 in)	25 of 100 (Routine)
Merredin Research Station	Australia	Record high minimum temperature	14.6 C (58.3 F)	25 of 100 (Routine)
Kayatnur	India	Record daily precipitation	32.0 mm (1.3 in)	25 of 100 (Routine)
Fall Rvr Lake	United States	Record low maximum temperature	18.3 C (64.9 F)	25 of 100 (Routine)

Counts by Type and Timescale

352 records

Records set or tied on 25 May 1963 by type: Highest daily maximum 14, Lowest daily maximum 105, Highest daily minimum 45, Lowest daily minimum 49, Heaviest daily rainfall 139.

Records on 25 May 1963 by type
Record type	Records
Highest daily maximum	14
Lowest daily maximum	105
Highest daily minimum	45
Lowest daily minimum	49
Heaviest daily rainfall	139
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 25 May 1963 by timescale: all-time 0, monthly 15, daily 337.

How Much Records Were Beaten By

285 broken records

Margins by which the 285 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 1963

Top 20 records on 25 May 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 May 1963	Northampton, AU	daily rain	65.8 mm (2.6 in)	40.4 mm (1.6 in)	44 years	61 of 100 (Major)
25 May 1963	Mundaring Weir, AU	monthly rain	104.6 mm (4.1 in)	29.7 mm (1.2 in)	40 years	51 of 100 (Notable)
25 May 1963	Pesqueira, BR	daily rain	50.5 mm (2.0 in)	34.5 mm (1.4 in)	22 years	49 of 100 (Notable)
25 May 1963	Richmond, US	daily rain	29.2 mm (1.1 in)	18.3 mm (0.7 in)	46 years	47 of 100 (Notable)
25 May 1963	Midland, AU	monthly rain	91.7 mm (3.6 in)	22.6 mm (0.9 in)	27 years	46 of 100 (Notable)
25 May 1963	Rockingham Post Office, AU	daily rain	73.2 mm (2.9 in)	36.4 mm (1.4 in)	20 years	45 of 100 (Notable)
25 May 1963	Kalamunda, AU	monthly rain	89.4 mm (3.5 in)	25.9 mm (1.0 in)	30 years	45 of 100 (Notable)
25 May 1963	Mundaring, AU	monthly rain	95.5 mm (3.8 in)	30.0 mm (1.2 in)	11 years	44 of 100 (Notable)
25 May 1963	Henley Park, AU	daily rain	69.3 mm (2.7 in)	29.2 mm (1.1 in)	38 years	43 of 100 (Notable)
25 May 1963	Quilon Pwd, IN	daily rain	149.9 mm (5.9 in)	76.0 mm (3.0 in)	29 years	42 of 100 (Notable)
25 May 1963	Port Stanley, CA	daily low min	-1.1 C (30.0 F)	3.9 C (7.0 F)	80 years	41 of 100 (Notable)
25 May 1963	Akalkot, IN	daily rain	58.0 mm (2.3 in)	44.0 mm (1.7 in)	5 years	41 of 100 (Notable)
25 May 1963	West Swan, AU	monthly rain	82.0 mm (3.2 in)	15.2 mm (0.6 in)	42 years	40 of 100 (Notable)
25 May 1963	Howatharra, AU	daily rain	65.0 mm (2.6 in)	44.7 mm (1.8 in)	0 years	38 of 100 (Notable)
25 May 1963	Aruppukottai, IN	daily rain	55.0 mm (2.2 in)	27.1 mm (1.1 in)	41 years	37 of 100 (Notable)
25 May 1963	Tarpon Spgs Sewage Plt, US	daily rain	63.5 mm (2.5 in)	39.6 mm (1.6 in)	24 years	37 of 100 (Notable)
25 May 1963	Nabawa, AU	daily rain	39.6 mm (1.6 in)	21.1 mm (0.8 in)	20 years	36 of 100 (Notable)
25 May 1963	Ft Davis, US	daily rain	36.3 mm (1.4 in)	17.2 mm (0.7 in)	41 years	36 of 100 (Notable)
25 May 1963	Harvey Post Office, AU	daily rain	66.5 mm (2.6 in)	33.2 mm (1.3 in)	2 years	33 of 100 (Routine)
25 May 1963	Balmorhea, US	daily rain	31.0 mm (1.2 in)	17.5 mm (0.7 in)	26 years	33 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 1963

Records set or tied on this calendar date in each year from 1793 to 1963. 1963 had 352 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 1963-05-25: 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 10	232
10 to 20	29
20 to 30	13
30 to 40	7
40 to 50	3
50 to 60	0
60 to 70	0
70 to 80	1