Weather Records on 31 May 2023

454 weather records were set or tied worldwide on 31 May 2023. Highest significance: Topeka Forbes Fld, US.

Key Facts for 31 May 2023

On 31 May 2023, 454 weather records were set or tied at long-record stations worldwide.
232 were record highs and 119 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 28 monthly and 421 daily.
Topeka Forbes Fld set a daily record precipitation of 95.3 mm (3.8 in) on 31 May 2023.
Across 161 earlier years (1811 to 2026) the same calendar date averaged 437 records.

Record Map

454 stations

454 station records on 31 May 2023 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 May 2023: highest significance records shown on the map
Station	Country	Type	Value	Significance
Topeka Forbes Fld	United States	Record daily precipitation	95.3 mm (3.8 in)	67 of 100 (Major)
Lankaran	Azerbaijan	Record daily precipitation	99.3 mm (3.9 in)	63 of 100 (Major)
Ft Dodge 5NNW	United States	Record daily precipitation	68.3 mm (2.7 in)	58 of 100 (Notable)
Ottawa	United States	Record daily precipitation	89.9 mm (3.5 in)	55 of 100 (Notable)
Circle Hot Springs	United States	Record daily precipitation	29.0 mm (1.1 in)	55 of 100 (Notable)
Glennallen Kcam	United States	Record daily precipitation	33.3 mm (1.3 in)	51 of 100 (Notable)
Winona	United States	Record daily precipitation	68.1 mm (2.7 in)	50 of 100 (Notable)
Bloemfontein Airpor	South Africa	Record daily precipitation	27.9 mm (1.1 in)	49 of 100 (Notable)
Jiulong	China	Record high maximum temperature	33.4 C (92.1 F)	48 of 100 (Notable)
Semjachik	Russia	Record daily precipitation	67.1 mm (2.6 in)	48 of 100 (Notable)
Pomona Lake	United States	Record daily precipitation	102.9 mm (4.1 in)	48 of 100 (Notable)
Minatare Dam (Usbr)	United States	Record daily precipitation	26.9 mm (1.1 in)	48 of 100 (Notable)
Lincang	China	Record high maximum temperature	34.9 C (94.8 F)	47 of 100 (Notable)
Cedarville	United States	Record daily precipitation	29.2 mm (1.1 in)	45 of 100 (Notable)
Mengzi	China	Record high maximum temperature	36.7 C (98.1 F)	44 of 100 (Notable)
Mandalgobi	Mongolia	Record daily precipitation	27.9 mm (1.1 in)	43 of 100 (Notable)
Lahore City	Pakistan	Record low maximum temperature	25.4 C (77.7 F)	43 of 100 (Notable)
Mys Lopatka	Russia	Record daily precipitation	33.0 mm (1.3 in)	43 of 100 (Notable)
Spirit Lake	United States	Record high maximum temperature	31.1 C (88.0 F)	43 of 100 (Notable)
Guangzhou	China	Record high maximum temperature	39.0 C (102.2 F)	41 of 100 (Notable)
Tombstone	United States	Record low minimum temperature	5.6 C (42.1 F)	41 of 100 (Notable)
Frankfort 2NE	United States	Record high maximum temperature	30.6 C (87.1 F)	41 of 100 (Notable)
Qinzhou	China	Record high maximum temperature	36.9 C (98.4 F)	39 of 100 (Notable)
Rio Gallegos Aero	Argentina	Record high maximum temperature	17.2 C (63.0 F)	38 of 100 (Notable)
Bozeman Gallatin Fld AP	United States	Record daily precipitation	25.4 mm (1.0 in)	38 of 100 (Notable)
Beaconsfield (Mine & Heritage	Australia	Record daily precipitation	32.5 mm (1.3 in)	37 of 100 (Notable)
Cass Lake	United States	Record daily precipitation	62.5 mm (2.5 in)	37 of 100 (Notable)
Ragland 3 SSW	United States	Record daily precipitation	38.1 mm (1.5 in)	37 of 100 (Notable)
Butlers Gorge	Australia	Record daily precipitation	29.4 mm (1.2 in)	36 of 100 (Notable)
Lake Margaret Power Station	Australia	Record daily precipitation	54.2 mm (2.1 in)	36 of 100 (Notable)
Brunswick	United States	Record low maximum temperature	23.9 C (75.0 F)	36 of 100 (Notable)
Overbrook 5 SE	United States	Record daily precipitation	118.4 mm (4.7 in)	36 of 100 (Notable)
Baguio	Philippines	Record daily precipitation	174.2 mm (6.9 in)	35 of 100 (Notable)
Samsun	Turkey	Record daily precipitation	33.8 mm (1.3 in)	35 of 100 (Notable)
Sibley	United States	Record high maximum temperature	33.3 C (91.9 F)	35 of 100 (Notable)
Garze	China	Record high maximum temperature	29.0 C (84.2 F)	34 of 100 (Routine)
Ft Sumner 5 S	United States	Record daily precipitation	29.5 mm (1.2 in)	34 of 100 (Routine)
Little Port Walter	United States	Record low maximum temperature	7.2 C (45.0 F)	34 of 100 (Routine)
Jaisalmer	India	Record low maximum temperature	33.5 C (92.3 F)	33 of 100 (Routine)
Jian	China	Record high maximum temperature	37.3 C (99.1 F)	32 of 100 (Routine)
Gafsa	Tunisia	Record daily precipitation	30.2 mm (1.2 in)	32 of 100 (Routine)
Wuzhou	China	Record high maximum temperature	36.9 C (98.4 F)	31 of 100 (Routine)
Bangalore	India	Record daily precipitation	65.3 mm (2.6 in)	31 of 100 (Routine)
Kustanai	Kazakhstan	Record high maximum temperature	35.1 C (95.2 F)	31 of 100 (Routine)
Sioux Rapids	United States	Record high maximum temperature	32.2 C (90.0 F)	31 of 100 (Routine)
Rossville	United States	Record daily precipitation	148.6 mm (5.9 in)	31 of 100 (Routine)
Lancang	China	Record high maximum temperature	36.3 C (97.3 F)	30 of 100 (Routine)
Loei	Thailand	Record high maximum temperature	38.9 C (102.0 F)	30 of 100 (Routine)
Alpine	United States	Record low maximum temperature	13.9 C (57.0 F)	30 of 100 (Routine)
Tizer Basin	United States	Record daily precipitation	33.0 mm (1.3 in)	30 of 100 (Routine)
Marquette	United States	Record high minimum temperature	15.6 C (60.1 F)	30 of 100 (Routine)
Launceston Airport	Australia	Record high maximum temperature	17.0 C (62.6 F)	29 of 100 (Routine)
Kunming	China	Record high maximum temperature	32.6 C (90.7 F)	29 of 100 (Routine)
Qu Xian	China	Record high minimum temperature	25.1 C (77.2 F)	29 of 100 (Routine)
Temir	Kazakhstan	Record high minimum temperature	19.6 C (67.3 F)	29 of 100 (Routine)
Chiang Rai	Thailand	Record high maximum temperature	39.0 C (102.2 F)	29 of 100 (Routine)
Julian Cdf	United States	Record low maximum temperature	7.8 C (46.0 F)	29 of 100 (Routine)
Ganca	Azerbaijan	Record high maximum temperature	32.9 C (91.2 F)	28 of 100 (Routine)
Mount Gambier Aero	Australia	Record high minimum temperature	13.3 C (55.9 F)	28 of 100 (Routine)
Deqen	China	Record high maximum temperature	24.0 C (75.2 F)	28 of 100 (Routine)

Counts by Type and Timescale

454 records

Records set or tied on 31 May 2023 by type: Highest daily maximum 107, Lowest daily maximum 76, Highest daily minimum 125, Lowest daily minimum 43, Heaviest daily rainfall 102, Deepest snow cover 1.

Records on 31 May 2023 by type
Record type	Records
Highest daily maximum	107
Lowest daily maximum	76
Highest daily minimum	125
Lowest daily minimum	43
Heaviest daily rainfall	102
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 31 May 2023 by timescale: all-time 5, monthly 28, daily 421.

How Much Records Were Beaten By

367 broken records

Margins by which the 367 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 82.0. Ties are not counted.

Top 20 by Significance

31 May 2023

Top 20 records on 31 May 2023 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 May 2023	Topeka Forbes Fld, US	daily rain	95.3 mm (3.8 in)	58.5 mm (2.3 in)	68 years	67 of 100 (Major)
31 May 2023	Lankaran, AZ	daily rain	99.3 mm (3.9 in)	82.0 mm (3.2 in)	44 years	63 of 100 (Major)
31 May 2023	Ft Dodge 5NNW, US	daily rain	68.3 mm (2.7 in)	35.3 mm (1.4 in)	64 years	58 of 100 (Notable)
31 May 2023	Ottawa, US	daily rain	89.9 mm (3.5 in)	31.5 mm (1.2 in)	81 years	55 of 100 (Notable)
31 May 2023	Circle Hot Springs, US	monthly rain	29.0 mm (1.1 in)	4.9 mm (0.19 in)	83 years	55 of 100 (Notable)
31 May 2023	Glennallen Kcam, US	daily rain	33.3 mm (1.3 in)	20.6 mm (0.8 in)	20 years	51 of 100 (Notable)
31 May 2023	Winona, US	daily rain	68.1 mm (2.7 in)	35.8 mm (1.4 in)	34 years	50 of 100 (Notable)
31 May 2023	Bloemfontein Airpor, ZA	daily rain	27.9 mm (1.1 in)	8.8 mm (0.35 in)	100 years	49 of 100 (Notable)
31 May 2023	Jiulong, CN	all-time high max	33.4 C (92.1 F)	0.3 C (0.5 F)	70 years	48 of 100 (Notable)
31 May 2023	Semjachik, RU	daily rain	67.1 mm (2.6 in)	24.3 mm (1.0 in)	61 years	48 of 100 (Notable)
31 May 2023	Pomona Lake, US	daily rain	102.9 mm (4.1 in)	73.4 mm (2.9 in)	9 years	48 of 100 (Notable)
31 May 2023	Minatare Dam (Usbr), US	daily rain	26.9 mm (1.1 in)	10.4 mm (0.4 in)	92 years	48 of 100 (Notable)
31 May 2023	Lincang, CN	all-time high max	34.9 C (94.8 F)	0.3 C (0.5 F)	64 years	47 of 100 (Notable)
31 May 2023	Cedarville, US	daily rain	29.2 mm (1.1 in)	12.7 mm (0.5 in)	32 years	45 of 100 (Notable)
31 May 2023	Mengzi, CN	all-time high max	36.7 C (98.1 F)	0.7 C (1.3 F)	54 years	44 of 100 (Notable)
31 May 2023	Mandalgobi, MN	monthly rain	27.9 mm (1.1 in)	4.9 mm (0.19 in)	62 years	43 of 100 (Notable)
31 May 2023	Lahore City, PK	daily low max	25.4 C (77.7 F)	6.8 C (12.2 F)	64 years	43 of 100 (Notable)
31 May 2023	Mys Lopatka, RU	daily rain	33.0 mm (1.3 in)	15.6 mm (0.6 in)	28 years	43 of 100 (Notable)
31 May 2023	Spirit Lake, US	daily high max	31.1 C (88.0 F)	2.2 C (4.0 F)	123 years	43 of 100 (Notable)
31 May 2023	Guangzhou, CN	monthly high max	39.0 C (102.2 F)	2.8 C (5.0 F)	47 years	41 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

1811 to 2023

Records set or tied on this calendar date in each year from 1811 to 2023. 2023 had 454 records.

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

Records on 05-31 in each year
Year	Records
1811	1
1818	3
1827	1
1836	2
1845	1
1847	1
1853	2
1855	2
1858	1
1864	2
1865	1
1866	1
1867	1
1868	4
1869	1
1871	2
1873	3
1874	1
1877	1
1878	2
1879	2
1880	3
1882	1
1883	1
1885	1
1888	1
1889	2
1890	1
1892	1
1893	4
1894	2
1895	8
1897	5
1898	7
1899	1
1900	2
1901	9
1902	9
1903	17
1904	19
1905	7
1906	11
1907	20
1908	12
1909	8
1910	26
1911	20
1912	15
1913	83
1914	20
1915	23
1916	23
1917	13
1918	20
1919	44
1920	46
1921	157
1922	49
1923	98
1924	152
1925	226
1926	228
1927	121
1928	67
1929	246
1930	612
1931	223
1932	181
1933	397
1934	782
1935	156
1936	559
1937	462
1938	424
1939	461
1940	383
1941	410
1942	364
1943	552
1944	372
1945	457
1946	380
1947	439
1948	295
1949	303
1950	467
1951	640
1952	374
1953	654
1954	445
1955	534
1956	632
1957	304
1958	429
1959	459
1960	247
1961	472
1962	565
1963	354
1964	1,237
1965	494
1966	601
1967	987
1968	276
1969	555
1970	573
1971	714
1972	1,127
1973	418
1974	473
1975	797
1976	435
1977	605
1978	873
1979	915
1980	517
1981	775
1982	817
1983	1,494
1984	2,047
1985	790
1986	1,365
1987	822
1988	1,255
1989	912
1990	900
1991	1,381
1992	1,031
1993	982
1994	776
1995	693
1996	946
1997	1,163
1998	1,215
1999	790
2000	1,172
2001	1,047
2002	1,162
2003	831
2004	1,071
2005	724
2006	1,045
2007	793
2008	809
2009	570
2010	741
2011	1,498
2012	764
2013	1,100
2014	565
2015	704
2016	402
2017	440
2018	1,211
2019	420
2020	673
2021	834
2022	902
2023	454
2024	809
2025	1,204
2026	536

Download the Data

Data for records on 2023-05-31: 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	351
20 to 40	12
40 to 60	1
60 to 80	2
80 to 100	1