Weather Records on 30 June 2020

1,151 weather records were set or tied worldwide on 30 June 2020. Highest significance: Jiexiu, CN.

Key Facts for 30 June 2020

On 30 June 2020, 1,151 weather records were set or tied at long-record stations worldwide.
309 were record highs and 490 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 33 monthly and 1,112 daily.
Jiexiu set an all-time record daily precipitation of 144.8 mm (5.7 in) on 30 June 2020.
Across 160 earlier years (1826 to 2026) the same calendar date averaged 445 records.

Record Map

1,151 stations

1,151 station records on 30 June 2020 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 June 2020: highest significance records shown on the map
Station	Country	Type	Value	Significance
Jiexiu	China	Record daily precipitation	144.8 mm (5.7 in)	72 of 100 (Major)
Kangasniemi Kirkonkyla	Finland	Record daily precipitation	89.1 mm (3.5 in)	66 of 100 (Major)
Joutsa Parnamaki	Finland	Record daily precipitation	71.8 mm (2.8 in)	66 of 100 (Major)
Heinola Asemantaus	Finland	Record daily precipitation	68.4 mm (2.7 in)	65 of 100 (Major)
Pine Ridge	United States	Record daily precipitation	95.3 mm (3.8 in)	64 of 100 (Major)
Dunn Ctr 1E	United States	Record daily precipitation	84.6 mm (3.3 in)	62 of 100 (Major)
Grand Forks UNIV (NWS)	United States	Record daily precipitation	64.3 mm (2.5 in)	62 of 100 (Major)
Vierema Kaarakkala	Finland	Record daily precipitation	68.5 mm (2.7 in)	59 of 100 (Notable)
Du Quoin 4 SE	United States	Record daily precipitation	64.8 mm (2.6 in)	59 of 100 (Notable)
Pielavesi Venetmaki	Finland	Record daily precipitation	90.8 mm (3.6 in)	58 of 100 (Notable)
Viitasaari Haapaniemi	Finland	Record daily precipitation	46.9 mm (1.8 in)	57 of 100 (Notable)
Tallinn	Estonia	Record daily precipitation	42.9 mm (1.7 in)	56 of 100 (Notable)
Aanekoski Kalaniemi	Finland	Record daily precipitation	46.8 mm (1.8 in)	56 of 100 (Notable)
Viitasaari Kolima Karna	Finland	Record daily precipitation	54.3 mm (2.1 in)	56 of 100 (Notable)
Vesanto Sonkari	Finland	Record daily precipitation	69.6 mm (2.7 in)	55 of 100 (Notable)
Chilo Meldahl Locks & Dam	United States	Record daily precipitation	70.1 mm (2.8 in)	55 of 100 (Notable)
Lemmon	United States	Record daily precipitation	80.5 mm (3.2 in)	54 of 100 (Notable)
Siedlce	Poland	Record daily precipitation	41.9 mm (1.6 in)	52 of 100 (Notable)
Jyvaskyla Lentoasema	Finland	Record daily precipitation	37.2 mm (1.5 in)	51 of 100 (Notable)
Kahuku 912	United States	Record high maximum temperature	31.7 C (89.1 F)	51 of 100 (Notable)
Lake City	United States	Record daily precipitation	36.8 mm (1.4 in)	50 of 100 (Notable)
Upham 3 N	United States	Record daily precipitation	93.5 mm (3.7 in)	50 of 100 (Notable)
Old Faithful	United States	Record low maximum temperature	7.8 C (46.0 F)	50 of 100 (Notable)
Kouvola Anjala	Finland	Record daily precipitation	49.4 mm (1.9 in)	49 of 100 (Notable)
Kouvola Voikoski	Finland	Record daily precipitation	41.9 mm (1.6 in)	49 of 100 (Notable)
Jyvaskyla Muuratjarvi	Finland	Record daily precipitation	39.3 mm (1.5 in)	49 of 100 (Notable)
Quincy Dam 21	United States	Record daily precipitation	50.8 mm (2.0 in)	49 of 100 (Notable)
Harvey 4NE	United States	Record daily precipitation	142.2 mm (5.6 in)	49 of 100 (Notable)
Corral Viejo	Puerto Rico [United States]	Record daily precipitation	88.9 mm (3.5 in)	48 of 100 (Notable)
Orlando Executive AP	United States	Record high minimum temperature	27.2 C (81.0 F)	48 of 100 (Notable)
Sysma Joutsjarvi	Finland	Record daily precipitation	49.3 mm (1.9 in)	47 of 100 (Notable)
Siikalatva Kestila	Finland	Record daily precipitation	41.7 mm (1.6 in)	47 of 100 (Notable)
Adel	United States	Record low maximum temperature	7.8 C (46.0 F)	47 of 100 (Notable)
Bynum 4 SSE	United States	Record daily precipitation	35.6 mm (1.4 in)	47 of 100 (Notable)
Haapavesi Mustikkamaki	Finland	Record daily precipitation	31.8 mm (1.3 in)	46 of 100 (Notable)
Stanley	United States	Record low maximum temperature	7.8 C (46.0 F)	46 of 100 (Notable)
Searchlight	United States	Record low maximum temperature	27.8 C (82.0 F)	46 of 100 (Notable)
Glenns Ferry	United States	Record low maximum temperature	16.7 C (62.1 F)	45 of 100 (Notable)
Alberton	United States	Record daily precipitation	44.5 mm (1.8 in)	45 of 100 (Notable)
Loa	United States	Record low maximum temperature	16.1 C (61.0 F)	45 of 100 (Notable)
Snake Rvr	United States	Record low maximum temperature	6.7 C (44.1 F)	45 of 100 (Notable)
Belleville Siu Rsch	United States	Record daily precipitation	66.5 mm (2.6 in)	45 of 100 (Notable)
Nuwara Eliya	Sri Lanka	Record high minimum temperature	15.0 C (59.0 F)	44 of 100 (Notable)
Ristijarvi Mustavaara	Finland	Record daily precipitation	52.0 mm (2.0 in)	44 of 100 (Notable)
Ashton 1N	United States	Record low maximum temperature	11.7 C (53.1 F)	44 of 100 (Notable)
Plumfield	United States	Record daily precipitation	102.1 mm (4.0 in)	44 of 100 (Notable)
Bardstown 5E	United States	Record daily precipitation	64.3 mm (2.5 in)	44 of 100 (Notable)
Minden	United States	Record high minimum temperature	26.7 C (80.1 F)	44 of 100 (Notable)
Port Gibson 1 NE	United States	Record high minimum temperature	25.0 C (77.0 F)	44 of 100 (Notable)
Ft Benton	United States	Record daily precipitation	30.2 mm (1.2 in)	44 of 100 (Notable)
Tallinn	Estonia	Record daily precipitation	43.4 mm (1.7 in)	43 of 100 (Notable)
Joutsa Leivonmaki Savenaho	Finland	Record daily precipitation	72.4 mm (2.9 in)	43 of 100 (Notable)
Mikkeli Lentoasema	Finland	Record daily precipitation	27.8 mm (1.1 in)	43 of 100 (Notable)
Williams	United States	Record low minimum temperature	-2.8 C (27.0 F)	43 of 100 (Notable)
Crossett 2 SSE	United States	Record high minimum temperature	25.6 C (78.1 F)	43 of 100 (Notable)
Grace	United States	Record low maximum temperature	12.2 C (54.0 F)	43 of 100 (Notable)
Payette	United States	Record low maximum temperature	16.7 C (62.1 F)	43 of 100 (Notable)
Sunnyside - Lund 31S	United States	Record low minimum temperature	-5.0 C (23.0 F)	43 of 100 (Notable)
Richardton Abbey	United States	Record daily precipitation	65.0 mm (2.6 in)	43 of 100 (Notable)
Zion Np	United States	Record low maximum temperature	27.8 C (82.0 F)	43 of 100 (Notable)

Counts by Type and Timescale

1,151 records

Records set or tied on 30 June 2020 by type: Highest daily maximum 64, Lowest daily maximum 313, Highest daily minimum 245, Lowest daily minimum 177, Heaviest daily rainfall 352.

Records on 30 June 2020 by type
Record type	Records
Highest daily maximum	64
Lowest daily maximum	313
Highest daily minimum	245
Lowest daily minimum	177
Heaviest daily rainfall	352
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 June 2020 by timescale: all-time 6, monthly 33, daily 1,112.

How Much Records Were Beaten By

915 broken records

Margins by which the 915 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 118.7. Ties are not counted.

Top 20 by Significance

30 June 2020

Top 20 records on 30 June 2020 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 June 2020	Jiexiu, CN	all-time rain	144.8 mm (5.7 in)	24.3 mm (1.0 in)	56 years	72 of 100 (Major)
30 June 2020	Kangasniemi Kirkonkyla, FI	monthly rain	89.1 mm (3.5 in)	49.1 mm (1.9 in)	39 years	66 of 100 (Major)
30 June 2020	Joutsa Parnamaki, FI	monthly rain	71.8 mm (2.8 in)	24.6 mm (1.0 in)	39 years	66 of 100 (Major)
30 June 2020	Heinola Asemantaus, FI	monthly rain	68.4 mm (2.7 in)	21.0 mm (0.8 in)	39 years	65 of 100 (Major)
30 June 2020	Pine Ridge, US	daily rain	95.3 mm (3.8 in)	66.1 mm (2.6 in)	58 years	64 of 100 (Major)
30 June 2020	Dunn Ctr 1E, US	daily rain	84.6 mm (3.3 in)	54.1 mm (2.1 in)	42 years	62 of 100 (Major)
30 June 2020	Grand Forks UNIV (NWS), US	daily rain	64.3 mm (2.5 in)	38.6 mm (1.5 in)	64 years	62 of 100 (Major)
30 June 2020	Vierema Kaarakkala, FI	monthly rain	68.5 mm (2.7 in)	22.9 mm (0.9 in)	10 years	59 of 100 (Notable)
30 June 2020	Du Quoin 4 SE, US	daily rain	64.8 mm (2.6 in)	29.2 mm (1.1 in)	115 years	59 of 100 (Notable)
30 June 2020	Pielavesi Venetmaki, FI	monthly rain	90.8 mm (3.6 in)	54.6 mm (2.1 in)	17 years	58 of 100 (Notable)
30 June 2020	Viitasaari Haapaniemi, FI	daily rain	46.9 mm (1.8 in)	26.2 mm (1.0 in)	43 years	57 of 100 (Notable)
30 June 2020	Tallinn, EE	daily rain	42.9 mm (1.7 in)	20.4 mm (0.8 in)	60 years	56 of 100 (Notable)
30 June 2020	Aanekoski Kalaniemi, FI	daily rain	46.8 mm (1.8 in)	25.3 mm (1.0 in)	39 years	56 of 100 (Notable)
30 June 2020	Viitasaari Kolima Karna, FI	daily rain	54.3 mm (2.1 in)	36.1 mm (1.4 in)	39 years	56 of 100 (Notable)
30 June 2020	Vesanto Sonkari, FI	monthly rain	69.6 mm (2.7 in)	20.5 mm (0.8 in)	17 years	55 of 100 (Notable)
30 June 2020	Chilo Meldahl Locks & Dam, US	daily rain	70.1 mm (2.8 in)	39.1 mm (1.5 in)	41 years	55 of 100 (Notable)
30 June 2020	Lemmon, US	daily rain	80.5 mm (3.2 in)	39.9 mm (1.6 in)	32 years	54 of 100 (Notable)
30 June 2020	Siedlce, PL	daily rain	41.9 mm (1.6 in)	26.9 mm (1.1 in)	43 years	52 of 100 (Notable)
30 June 2020	Jyvaskyla Lentoasema, FI	daily rain	37.2 mm (1.5 in)	14.6 mm (0.6 in)	64 years	51 of 100 (Notable)
30 June 2020	Kahuku 912, US	daily high max	31.7 C (89.1 F)	1.1 C (2.0 F)	100 years	51 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

1826 to 2020

Records set or tied on this calendar date in each year from 1826 to 2020. 2020 had 1,151 records.

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

Records on 06-30 in each year
Year	Records
1826	1
1832	1
1835	2
1843	2
1846	1
1848	2
1849	1
1853	1
1855	1
1857	1
1860	1
1863	1
1865	1
1869	1
1871	1
1873	1
1876	1
1879	2
1882	2
1883	3
1885	4
1886	1
1887	2
1888	2
1889	1
1890	3
1891	2
1892	1
1894	1
1895	1
1896	2
1897	6
1898	3
1899	4
1900	5
1901	9
1902	10
1903	8
1904	20
1905	23
1906	20
1907	12
1908	17
1909	39
1910	57
1911	12
1912	32
1913	99
1914	97
1915	40
1916	66
1917	39
1918	54
1919	72
1920	319
1921	121
1922	133
1923	309
1924	194
1925	113
1926	65
1927	240
1928	137
1929	213
1930	168
1931	774
1932	154
1933	571
1934	331
1935	347
1936	620
1937	458
1938	330
1939	438
1940	346
1941	341
1942	408
1943	790
1944	272
1945	671
1946	631
1947	487
1948	340
1949	403
1950	494
1951	517
1952	533
1953	404
1954	426
1955	432
1956	409
1957	592
1958	423
1959	948
1960	270
1961	351
1962	375
1963	560
1964	434
1965	240
1966	379
1967	414
1968	752
1969	459
1970	730
1971	459
1972	558
1973	623
1974	643
1975	414
1976	607
1977	662
1978	721
1979	601
1980	935
1981	838
1982	1,230
1983	752
1984	722
1985	829
1986	745
1987	1,044
1988	1,216
1989	953
1990	1,191
1991	1,129
1992	1,670
1993	711
1994	951
1995	1,354
1996	889
1997	938
1998	1,714
1999	910
2000	861
2001	778
2002	904
2003	896
2004	998
2005	1,526
2006	723
2007	736
2008	852
2009	1,052
2010	1,069
2011	1,057
2012	1,416
2013	963
2014	496
2015	1,018
2016	371
2017	642
2018	625
2019	1,042
2020	1,151
2021	1,442
2022	709
2023	531
2024	1,004
2025	858
2026	999

Download the Data

Data for records on 2020-06-30: 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	873
20 to 40	31
40 to 60	5
60 to 80	3
80 to 100	2
100 to 120	1