Weather Records on 7 December 1938

279 weather records were set or tied worldwide on 7 December 1938. Highest significance: Nicosia, CY.

Key Facts for 7 December 1938

On 7 December 1938, 279 weather records were set or tied at long-record stations worldwide.
228 were record highs and 5 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 21 monthly and 258 daily.
Nicosia set a daily record precipitation of 39.9 mm (1.6 in) on 7 December 1938.
Across 157 earlier years (1801 to 2025) the same calendar date averaged 495 records.

Record Map

279 stations

279 station records on 7 December 1938 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 December 1938: highest significance records shown on the map
Station	Country	Type	Value	Significance
Nicosia	Cyprus	Record daily precipitation	39.9 mm (1.6 in)	33 of 100 (Routine)
Vellore	India	Record daily precipitation	62.0 mm (2.4 in)	30 of 100 (Routine)
Wallajah	India	Record daily precipitation	78.5 mm (3.1 in)	28 of 100 (Routine)
San Jose	United States	Record high maximum temperature	24.4 C (75.9 F)	28 of 100 (Routine)
Santa Ana River Ph 1	United States	Record high minimum temperature	19.4 C (66.9 F)	27 of 100 (Routine)
Portland Rfc City	United States	Record high minimum temperature	12.2 C (54.0 F)	26 of 100 (Routine)
Venkatagiri	India	Record daily precipitation	71.4 mm (2.8 in)	25 of 100 (Routine)
Ojai	United States	Record high maximum temperature	33.9 C (93.0 F)	25 of 100 (Routine)
San Bernardino F S 226	United States	Record high minimum temperature	15.6 C (60.1 F)	24 of 100 (Routine)
Santa Barbara	United States	Record high maximum temperature	32.2 C (90.0 F)	24 of 100 (Routine)
Winnemucca AP	United States	Record high maximum temperature	15.6 C (60.1 F)	24 of 100 (Routine)
El Cajon 2 E	United States	Record high maximum temperature	32.8 C (91.0 F)	23 of 100 (Routine)
Pomona/Fairplex	United States	Record high maximum temperature	30.0 C (86.0 F)	23 of 100 (Routine)
Albany 1 N	United States	Record high maximum temperature	16.7 C (62.1 F)	23 of 100 (Routine)
Umatilla	United States	Record high maximum temperature	20.0 C (68.0 F)	23 of 100 (Routine)
New Westminster	Canada	Record high minimum temperature	8.9 C (48.0 F)	22 of 100 (Routine)
Saint John	Canada	Record high minimum temperature	3.9 C (39.0 F)	22 of 100 (Routine)
Chandragiri	India	Record daily precipitation	51.6 mm (2.0 in)	22 of 100 (Routine)
Corvallis State UNIV	United States	Record high minimum temperature	10.6 C (51.1 F)	22 of 100 (Routine)
Forest Grove	United States	Record high minimum temperature	8.9 C (48.0 F)	22 of 100 (Routine)
Klamath Falls 2 SSW	United States	Record high minimum temperature	5.0 C (41.0 F)	22 of 100 (Routine)
Victoria Gonzales Hts	Canada	Record high maximum temperature	12.8 C (55.0 F)	21 of 100 (Routine)
Lucknow	Canada	Record high minimum temperature	2.2 C (36.0 F)	21 of 100 (Routine)
Chittoor	India	Record daily precipitation	52.6 mm (2.1 in)	21 of 100 (Routine)
Sierra Madre Henszey	United States	Record high minimum temperature	18.9 C (66.0 F)	21 of 100 (Routine)
Forest Grove	United States	Record high maximum temperature	16.1 C (61.0 F)	21 of 100 (Routine)
Malin Head	Ireland	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Nikolaevsk-Na-Amure	Russia	Record daily precipitation	15.5 mm (0.6 in)	20 of 100 (Routine)
Learmonth	Australia	Record daily precipitation	13.0 mm (0.5 in)	20 of 100 (Routine)
Hebgen Dam	United States	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Periakulam	India	Record daily precipitation	48.0 mm (1.9 in)	20 of 100 (Routine)
Timovskoe	Russia	Record high minimum temperature	-5.2 C (22.6 F)	20 of 100 (Routine)
Echo	United States	Record high maximum temperature	21.1 C (70.0 F)	20 of 100 (Routine)
Mc Minnville	United States	Record high minimum temperature	10.0 C (50.0 F)	20 of 100 (Routine)
Willapa Harbor	United States	Record high minimum temperature	8.9 C (48.0 F)	20 of 100 (Routine)
Independence	United States	Record high maximum temperature	24.4 C (75.9 F)	19 of 100 (Routine)
Indio Fire STN	United States	Record high maximum temperature	31.1 C (88.0 F)	19 of 100 (Routine)
Espanola	United States	Record high maximum temperature	14.4 C (57.9 F)	19 of 100 (Routine)
Heppner	United States	Record high maximum temperature	18.3 C (64.9 F)	19 of 100 (Routine)
Weston 2 SE	United States	Record high maximum temperature	15.0 C (59.0 F)	19 of 100 (Routine)
Princeton	Canada	Record high maximum temperature	5.6 C (42.1 F)	18 of 100 (Routine)
Calgary Int'l A	Canada	Record high minimum temperature	2.2 C (36.0 F)	18 of 100 (Routine)
Dublin Phoenix Park	Ireland	Record high minimum temperature	8.9 C (48.0 F)	18 of 100 (Routine)
Jagraon	India	Record daily precipitation	5.8 mm (0.23 in)	18 of 100 (Routine)
Surgut	Russia	Record low minimum temperature	-39.4 C (-38.9 F)	18 of 100 (Routine)
Elsinore	United States	Record high maximum temperature	31.1 C (88.0 F)	18 of 100 (Routine)
Pasadena	United States	Record high maximum temperature	30.6 C (87.1 F)	18 of 100 (Routine)
Santa Maria	United States	Record high maximum temperature	32.2 C (90.0 F)	18 of 100 (Routine)
Moscow U of I	United States	Record high maximum temperature	12.8 C (55.0 F)	18 of 100 (Routine)
Saint Ignatius	United States	Record high minimum temperature	2.8 C (37.0 F)	18 of 100 (Routine)
Albany 1 N	United States	Record high minimum temperature	7.8 C (46.0 F)	18 of 100 (Routine)
Ottumwa	United States	Record high minimum temperature	3.9 C (39.0 F)	18 of 100 (Routine)
Waterville	United States	Record high maximum temperature	8.9 C (48.0 F)	18 of 100 (Routine)
Spokane Intl AP	United States	Record high maximum temperature	12.2 C (54.0 F)	18 of 100 (Routine)
Salem AP (McNary Field)	United States	Record high minimum temperature	8.9 C (48.0 F)	18 of 100 (Routine)
Newport	United States	Record high minimum temperature	11.1 C (52.0 F)	18 of 100 (Routine)
Helena Wb City	United States	Record high minimum temperature	4.4 C (39.9 F)	18 of 100 (Routine)
Cape York Post Office	Australia	Record daily precipitation	78.2 mm (3.1 in)	17 of 100 (Routine)
Nedumangad	India	Record daily precipitation	38.1 mm (1.5 in)	17 of 100 (Routine)
Tirukoilur	India	Record daily precipitation	21.6 mm (0.9 in)	17 of 100 (Routine)

Counts by Type and Timescale

279 records

Records set or tied on 7 December 1938 by type: Highest daily maximum 105, Lowest daily maximum 3, Highest daily minimum 123, Lowest daily minimum 2, Heaviest daily rainfall 42, Heaviest daily snowfall 4.

Records on 7 December 1938 by type
Record type	Records
Highest daily maximum	105
Lowest daily maximum	3
Highest daily minimum	123
Lowest daily minimum	2
Heaviest daily rainfall	42
Heaviest daily snowfall	4
Deepest snow cover	0

Records on 7 December 1938 by timescale: all-time 0, monthly 21, daily 258.

How Much Records Were Beaten By

206 broken records

Margins by which the 206 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 45.7. Ties are not counted.

Top 20 by Significance

7 December 1938

Top 20 records on 7 December 1938 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 December 1938	Nicosia, CY	daily rain	39.9 mm (1.6 in)	14.5 mm (0.6 in)	49 years	33 of 100 (Routine)
7 December 1938	Vellore, IN	daily rain	62.0 mm (2.4 in)	43.7 mm (1.7 in)	27 years	30 of 100 (Routine)
7 December 1938	Wallajah, IN	daily rain	78.5 mm (3.1 in)	45.7 mm (1.8 in)	27 years	28 of 100 (Routine)
7 December 1938	San Jose, US	monthly high max	24.4 C (75.9 F)	0.5 C (0.9 F)	44 years	28 of 100 (Routine)
7 December 1938	Santa Ana River Ph 1, US	monthly high min	19.4 C (66.9 F)	3.8 C (6.8 F)	13 years	27 of 100 (Routine)
7 December 1938	Portland Rfc City, US	daily high min	12.2 C (54.0 F)	1.1 C (2.0 F)	62 years	26 of 100 (Routine)
7 December 1938	Venkatagiri, IN	daily rain	71.4 mm (2.8 in)	40.9 mm (1.6 in)	24 years	25 of 100 (Routine)
7 December 1938	Ojai, US	monthly high max	33.9 C (93.0 F)	1.7 C (3.1 F)	31 years	25 of 100 (Routine)
7 December 1938	San Bernardino F S 226, US	daily high min	15.6 C (60.1 F)	3.4 C (6.1 F)	41 years	24 of 100 (Routine)
7 December 1938	Santa Barbara, US	monthly high max	32.2 C (90.0 F)	2.2 C (4.0 F)	16 years	24 of 100 (Routine)
7 December 1938	Winnemucca AP, US	daily high max	15.6 C (60.1 F)	1.2 C (2.2 F)	55 years	24 of 100 (Routine)
7 December 1938	El Cajon 2 E, US	daily high max	32.8 C (91.0 F)	3.9 C (7.0 F)	37 years	23 of 100 (Routine)
7 December 1938	Pomona/Fairplex, US	daily high max	30.0 C (86.0 F)	3.9 C (7.0 F)	37 years	23 of 100 (Routine)
7 December 1938	Albany 1 N, US	daily high max	16.7 C (62.1 F)	2.8 C (5.0 F)	40 years	23 of 100 (Routine)
7 December 1938	Umatilla, US	daily high max	20.0 C (68.0 F)	7.2 C (13.0 F)	27 years	23 of 100 (Routine)
7 December 1938	New Westminster, CA	daily high min	8.9 C (48.0 F)	1.7 C (3.1 F)	42 years	22 of 100 (Routine)
7 December 1938	Saint John, CA	daily high min	3.9 C (39.0 F)	0.6 C (1.1 F)	53 years	22 of 100 (Routine)
7 December 1938	Chandragiri, IN	daily rain	51.6 mm (2.0 in)	28.2 mm (1.1 in)	8 years	22 of 100 (Routine)
7 December 1938	Corvallis State UNIV, US	daily high min	10.6 C (51.1 F)	2.8 C (5.0 F)	40 years	22 of 100 (Routine)
7 December 1938	Forest Grove, US	daily high min	8.9 C (48.0 F)	2.8 C (5.0 F)	40 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

1801 to 1938

Records set or tied on this calendar date in each year from 1801 to 1938. 1938 had 279 records.

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

Records on 12-07 in each year
Year	Records
1801	1
1805	1
1812	2
1815	1
1825	2
1832	1
1836	1
1839	1
1844	4
1848	3
1852	1
1856	3
1863	1
1866	1
1868	5
1871	5
1875	6
1879	5
1881	1
1884	2
1885	1
1889	1
1890	2
1891	3
1892	1
1893	5
1894	1
1895	1
1896	8
1897	4
1898	10
1899	3
1900	2
1901	9
1902	16
1903	9
1904	7
1905	3
1906	21
1907	4
1908	24
1909	21
1910	26
1911	7
1912	21
1913	19
1914	32
1915	53
1916	36
1917	52
1918	30
1919	38
1920	81
1921	39
1922	272
1923	128
1924	374
1925	119
1926	372
1927	404
1928	105
1929	146
1930	534
1931	180
1932	555
1933	130
1934	274
1935	270
1936	602
1937	890
1938	279
1939	780
1940	145
1941	139
1942	526
1943	199
1944	357
1945	240
1946	855
1947	240
1948	320
1949	187
1950	1,472
1951	1,751
1952	447
1953	673
1954	445
1955	195
1956	1,358
1957	589
1958	831
1959	539
1960	561
1961	206
1962	642
1963	436
1964	467
1965	476
1966	1,047
1967	386
1968	461
1969	952
1970	724
1971	854
1972	2,239
1973	448
1974	508
1975	404
1976	1,037
1977	1,369
1978	1,882
1979	827
1980	1,314
1981	896
1982	542
1983	957
1984	957
1985	922
1986	1,126
1987	866
1988	582
1989	675
1990	744
1991	698
1992	906
1993	544
1994	1,772
1995	912
1996	1,152
1997	818
1998	2,384
1999	674
2000	1,085
2001	743
2002	917
2003	1,184
2004	1,096
2005	1,433
2006	1,246
2007	1,402
2008	833
2009	972
2010	1,405
2011	1,507
2012	643
2013	2,119
2014	479
2015	1,079
2016	389
2017	508
2018	558
2019	447
2020	597
2021	547
2022	579
2023	952
2024	712
2025	665

Download the Data

Data for records on 1938-12-07: 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).

Histogram of margins by which records were beaten on 7 December 1938
Margin	Records
0 to 10	191
10 to 20	8
20 to 30	4
30 to 40	0
40 to 50	3