Weather Records on 18 July 2023

867 weather records were set or tied worldwide on 18 July 2023. Highest significance: Chumphon, TH.

Key Facts for 18 July 2023

On 18 July 2023, 867 weather records were set or tied at long-record stations worldwide.
737 were record highs and 62 were record lows, counting maximum and minimum temperature.
By timescale, 23 were all-time records, 24 monthly and 820 daily.
Chumphon set a daily record precipitation of 98.8 mm (3.9 in) on 18 July 2023.
Across 156 earlier years (1793 to 2026) the same calendar date averaged 459 records.

Record Map

867 stations

867 station records on 18 July 2023 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 July 2023: highest significance records shown on the map
Station	Country	Type	Value	Significance
Chumphon	Thailand	Record daily precipitation	98.8 mm (3.9 in)	64 of 100 (Major)
Zhalpaktal	Kazakhstan	Record daily precipitation	99.6 mm (3.9 in)	62 of 100 (Major)
Guba	Azerbaijan	Record daily precipitation	99.3 mm (3.9 in)	60 of 100 (Major)
Daroca	Spain	Record high minimum temperature	25.3 C (77.5 F)	58 of 100 (Notable)
Krasnaja_Gora	Russia	Record daily precipitation	32.0 mm (1.3 in)	54 of 100 (Notable)
Roosevelt Roads	Puerto Rico [United States]	Record high minimum temperature	30.0 C (86.0 F)	53 of 100 (Notable)
Imperial	United States	Record high maximum temperature	48.3 C (118.9 F)	51 of 100 (Notable)
Parkajoki	Sweden	Record daily precipitation	38.1 mm (1.5 in)	50 of 100 (Notable)
Los Alamos	United States	Record high maximum temperature	36.1 C (97.0 F)	49 of 100 (Notable)
Princeton	United States	Record low maximum temperature	21.1 C (70.0 F)	47 of 100 (Notable)
Ibapah	United States	Record high minimum temperature	18.3 C (64.9 F)	46 of 100 (Notable)
Brownsville	United States	Record high maximum temperature	38.3 C (100.9 F)	46 of 100 (Notable)
Cozzo Spadaro	Italy	Record high minimum temperature	30.0 C (86.0 F)	45 of 100 (Notable)
Jerome	United States	Record high maximum temperature	41.1 C (106.0 F)	45 of 100 (Notable)
Albacete Los Llanos	Spain	Record high maximum temperature	42.1 C (107.8 F)	44 of 100 (Notable)
Portales	United States	Record high maximum temperature	41.7 C (107.1 F)	44 of 100 (Notable)
Kittila Pulju	Finland	Record daily precipitation	40.0 mm (1.6 in)	43 of 100 (Notable)
Deva	Romania	Record daily precipitation	38.6 mm (1.5 in)	43 of 100 (Notable)
Kangos	Sweden	Record daily precipitation	30.4 mm (1.2 in)	42 of 100 (Notable)
Woodruff	United States	Record high minimum temperature	17.2 C (63.0 F)	42 of 100 (Notable)
Wien	Austria	Record high minimum temperature	22.6 C (72.7 F)	41 of 100 (Notable)
Budapest	Hungary	Record high minimum temperature	24.1 C (75.4 F)	41 of 100 (Notable)
Rangely 1E	United States	Record high maximum temperature	38.9 C (102.0 F)	41 of 100 (Notable)
Cuero	United States	Record high maximum temperature	41.7 C (107.1 F)	41 of 100 (Notable)
Ft McKavett	United States	Record high maximum temperature	39.4 C (102.9 F)	41 of 100 (Notable)
Luling	United States	Record high maximum temperature	42.2 C (108.0 F)	41 of 100 (Notable)
Mondovi	United States	Record low minimum temperature	6.1 C (43.0 F)	41 of 100 (Notable)
Las Vegas Muni AP	United States	Record high maximum temperature	37.8 C (100.0 F)	41 of 100 (Notable)
Grand Junction Walker Fld	United States	Record high maximum temperature	40.0 C (104.0 F)	41 of 100 (Notable)
Turnu Magurele	Romania	Record high minimum temperature	22.7 C (72.9 F)	40 of 100 (Notable)
Esrange	Sweden	Record daily precipitation	37.9 mm (1.5 in)	40 of 100 (Notable)
Paradise	United States	Record high maximum temperature	37.8 C (100.0 F)	40 of 100 (Notable)
El Centro 2 SSW	United States	Record high minimum temperature	32.2 C (90.0 F)	40 of 100 (Notable)
McGill	United States	Record high minimum temperature	19.4 C (66.9 F)	40 of 100 (Notable)
Los Alamos	United States	Record high minimum temperature	18.9 C (66.0 F)	40 of 100 (Notable)
Luling	United States	Record high minimum temperature	26.1 C (79.0 F)	40 of 100 (Notable)
Farnsworth Lake	United States	Record daily precipitation	27.9 mm (1.1 in)	40 of 100 (Notable)
Methoni	Greece	Record high maximum temperature	38.3 C (100.9 F)	39 of 100 (Notable)
Pasamonte	United States	Record high maximum temperature	37.2 C (99.0 F)	39 of 100 (Notable)
Hallettsville 2 N	United States	Record high maximum temperature	40.6 C (105.1 F)	39 of 100 (Notable)
Annaba	Algeria	Record high minimum temperature	25.8 C (78.4 F)	38 of 100 (Notable)
Carson City	United States	Record high minimum temperature	18.9 C (66.0 F)	38 of 100 (Notable)
London Locks	United States	Record daily precipitation	49.5 mm (1.9 in)	38 of 100 (Notable)
Sivas	Turkey	Record low minimum temperature	2.6 C (36.7 F)	37 of 100 (Notable)
Shoshone	United States	Record high maximum temperature	37.2 C (99.0 F)	37 of 100 (Notable)
Vinton	United States	Record low minimum temperature	8.9 C (48.0 F)	37 of 100 (Notable)
Bingham 2 NE	United States	Record high maximum temperature	39.4 C (102.9 F)	37 of 100 (Notable)
Cuba	United States	Record high maximum temperature	37.8 C (100.0 F)	37 of 100 (Notable)
Caballo Dam	United States	Record high maximum temperature	41.7 C (107.1 F)	36 of 100 (Notable)
Brady	United States	Record high minimum temperature	25.6 C (78.1 F)	36 of 100 (Notable)
Haines AP	United States	Record high minimum temperature	14.4 C (57.9 F)	36 of 100 (Notable)
Mansfield	United States	Record daily precipitation	34.5 mm (1.4 in)	35 of 100 (Notable)
Pt Marion Lock 8	United States	Record daily precipitation	33.5 mm (1.3 in)	35 of 100 (Notable)
Hallettsville 2 N	United States	Record high minimum temperature	26.7 C (80.1 F)	35 of 100 (Notable)
El Centro Naf	United States	Record high maximum temperature	48.3 C (118.9 F)	35 of 100 (Notable)
Longzhou	China	Record daily precipitation	57.4 mm (2.3 in)	34 of 100 (Routine)
Dubrovnik	Croatia	Record high minimum temperature	29.2 C (84.6 F)	34 of 100 (Routine)
Willcox	United States	Record high maximum temperature	41.1 C (106.0 F)	34 of 100 (Routine)
Brassua Dam	United States	Record high minimum temperature	20.0 C (68.0 F)	34 of 100 (Routine)
Kings Rvr Vly - Orovada 26NW	United States	Record high minimum temperature	21.1 C (70.0 F)	34 of 100 (Routine)

Counts by Type and Timescale

867 records

Records set or tied on 18 July 2023 by type: Highest daily maximum 357, Lowest daily maximum 26, Highest daily minimum 380, Lowest daily minimum 36, Heaviest daily rainfall 68.

Records on 18 July 2023 by type
Record type	Records
Highest daily maximum	357
Lowest daily maximum	26
Highest daily minimum	380
Lowest daily minimum	36
Heaviest daily rainfall	68
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 July 2023 by timescale: all-time 23, monthly 24, daily 820.

How Much Records Were Beaten By

620 broken records

Margins by which the 620 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 92.8. Ties are not counted.

Top 20 by Significance

18 July 2023

Top 20 records on 18 July 2023 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 July 2023	Chumphon, TH	daily rain	98.8 mm (3.9 in)	49.2 mm (1.9 in)	61 years	64 of 100 (Major)
18 July 2023	Zhalpaktal, KZ	daily rain	99.6 mm (3.9 in)	92.8 mm (3.7 in)	48 years	62 of 100 (Major)
18 July 2023	Guba, AZ	daily rain	99.3 mm (3.9 in)	91.5 mm (3.6 in)	41 years	60 of 100 (Major)
18 July 2023	Daroca, ES	all-time high min	25.3 C (77.5 F)	0.1 C (0.2 F)	94 years	58 of 100 (Notable)
18 July 2023	Krasnaja_Gora, RU	daily rain	32.0 mm (1.3 in)	18.8 mm (0.7 in)	73 years	54 of 100 (Notable)
18 July 2023	Roosevelt Roads, PR	all-time high min	30.0 C (86.0 F)	1.1 C (2.0 F)	60 years	53 of 100 (Notable)
18 July 2023	Imperial, US	daily high max	48.3 C (118.9 F)	2.7 C (4.9 F)	120 years	51 of 100 (Notable)
18 July 2023	Parkajoki, SE	daily rain	38.1 mm (1.5 in)	22.1 mm (0.9 in)	21 years	50 of 100 (Notable)
18 July 2023	Los Alamos, US	daily high max	36.1 C (97.0 F)	3.3 C (5.9 F)	97 years	49 of 100 (Notable)
18 July 2023	Princeton, US	daily low max	21.1 C (70.0 F)	2.8 C (5.0 F)	126 years	47 of 100 (Notable)
18 July 2023	Ibapah, US	daily high min	18.3 C (64.9 F)	2.7 C (4.9 F)	97 years	46 of 100 (Notable)
18 July 2023	Brownsville, US	daily high max	38.3 C (100.9 F)	1.1 C (2.0 F)	104 years	46 of 100 (Notable)
18 July 2023	Cozzo Spadaro, IT	all-time high min	30.0 C (86.0 F)	2.2 C (4.0 F)	35 years	45 of 100 (Notable)
18 July 2023	Jerome, US	daily high max	41.1 C (106.0 F)	1.7 C (3.1 F)	121 years	45 of 100 (Notable)
18 July 2023	Albacete Los Llanos, ES	daily high max	42.1 C (107.8 F)	1.6 C (2.9 F)	121 years	44 of 100 (Notable)
18 July 2023	Portales, US	daily high max	41.7 C (107.1 F)	1.7 C (3.1 F)	97 years	44 of 100 (Notable)
18 July 2023	Kittila Pulju, FI	daily rain	40.0 mm (1.6 in)	22.8 mm (0.9 in)	16 years	43 of 100 (Notable)
18 July 2023	Deva, RO	daily rain	38.6 mm (1.5 in)	26.0 mm (1.0 in)	20 years	43 of 100 (Notable)
18 July 2023	Kangos, SE	daily rain	30.4 mm (1.2 in)	15.3 mm (0.6 in)	46 years	42 of 100 (Notable)
18 July 2023	Woodruff, US	daily high min	17.2 C (63.0 F)	2.2 C (4.0 F)	86 years	42 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

1793 to 2023

Records set or tied on this calendar date in each year from 1793 to 2023. 2023 had 867 records.

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

Records on 07-18 in each year
Year	Records
1793	2
1801	1
1845	1
1847	1
1851	1
1858	1
1862	1
1863	2
1865	1
1866	2
1871	2
1872	1
1874	1
1877	1
1878	4
1880	1
1881	2
1883	2
1886	2
1887	2
1888	1
1889	2
1890	4
1891	1
1892	2
1895	1
1896	2
1897	6
1898	2
1899	3
1900	8
1901	5
1902	3
1903	14
1904	7
1905	22
1906	13
1907	12
1908	39
1909	11
1910	33
1911	42
1912	28
1913	21
1914	47
1915	95
1916	235
1917	265
1918	58
1919	38
1920	59
1921	67
1922	138
1923	126
1924	306
1925	217
1926	191
1927	85
1928	108
1929	123
1930	462
1931	382
1932	343
1933	228
1934	502
1935	212
1936	665
1937	334
1938	306
1939	424
1940	352
1941	349
1942	661
1943	277
1944	333
1945	350
1946	334
1947	385
1948	289
1949	521
1950	632
1951	307
1952	597
1953	493
1954	501
1955	423
1956	466
1957	325
1958	475
1959	548
1960	669
1961	280
1962	516
1963	269
1964	523
1965	707
1966	545
1967	735
1968	998
1969	590
1970	530
1971	625
1972	701
1973	976
1974	729
1975	643
1976	1,047
1977	839
1978	881
1979	821
1980	747
1981	624
1982	749
1983	1,071
1984	1,000
1985	582
1986	908
1987	1,845
1988	1,001
1989	1,233
1990	1,053
1991	589
1992	1,135
1993	1,013
1994	720
1995	904
1996	1,157
1997	785
1998	1,169
1999	900
2000	1,214
2001	909
2002	840
2003	1,159
2004	985
2005	1,210
2006	1,285
2007	1,267
2008	593
2009	1,757
2010	878
2011	1,148
2012	1,070
2013	921
2014	1,348
2015	745
2016	609
2017	426
2018	699
2019	548
2020	361
2021	676
2022	1,071
2023	867
2024	581
2025	779
2026	806

Download the Data

Data for records on 2023-07-18: 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	610
20 to 40	5
40 to 60	3
60 to 80	0
80 to 100	2