Montevideo 1SW Threshold Days by Year (USC00215563)

19 fixed thresholds counted per year at Montevideo 1SW (USC00215563): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Montevideo 1SW Thresholds

Montevideo 1SW: days with a maximum temperature at or above 30 C (86 F) in 114 years, most in 1980 with 82.
Montevideo 1SW: days with a maximum temperature at or above 90 F (32.2 C) in 114 years, most in 1980 with 54.
Montevideo 1SW: days with a maximum temperature at or below 0 C (32 F) in 114 years, most in 1950 with 109.
Montevideo 1SW: nights with a minimum temperature at or below 0 C (32 F) in 113 years, most in 2013 with 195.
19 fixed thresholds have at least one qualifying day at Montevideo 1SW.

Days at or above 30 C (86 F)

114 years with a qualifying day

Days per year at Montevideo 1SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 82 in 1980.

Days at or above 30 C (86 F) per year at Montevideo 1SW
Year	Days	Decade average
1893	35	42.2
1894	61	42.2
1895	42	42.2
1896	32	42.2
1897	36	42.2
1899	47	42.2
1901	66	31.6
1902	23	31.6
1903	13	31.6
1905	20	31.6
1906	30	31.6
1907	24	31.6
1908	39	31.6
1909	38	31.6
1910	56	38.5
1911	47	38.5
1912	25	38.5
1913	36	38.5
1914	37	38.5
1915	28	38.5
1916	43	38.5
1917	36	38.5
1918	42	38.5
1919	35	38.5
1920	35	42
1921	60	42
1922	56	42
1923	38	42
1924	19	42
1925	46	42
1926	37	42
1927	39	42
1929	48	42
1930	40	50.3
1931	66	50.3
1932	34	50.3
1933	60	50.3
1934	66	50.3
1935	46	50.3
1936	48	50.3
1937	50	50.3
1938	39	50.3
1939	54	50.3
1940	35	32.4
1941	41	32.4
1942	14	32.4
1943	45	32.4
1944	29	32.4
1945	20	32.4
1946	24	32.4
1947	37	32.4
1948	36	32.4
1949	43	32.4
1950	21	25
1951	8	25
1952	37	25
1953	21	25
1954	20	25
1955	32	25
1956	15	25
1957	18	25
1958	24	25
1959	54	25
1960	42	35.9
1961	53	35.9
1962	24	35.9
1963	31	35.9
1964	42	35.9
1965	17	35.9
1966	45	35.9
1967	27	35.9
1968	32	35.9
1969	46	35.9
1970	58	46.8
1971	35	46.8
1972	25	46.8
1973	40	46.8
1974	45	46.8
1975	54	46.8
1976	71	46.8
1977	37	46.8
1978	54	46.8
1979	49	46.8
1980	82	49.4
1981	44	49.4
1982	43	49.4
1983	47	49.4
1984	31	49.4
1990	28	25.3
1991	30	25.3
1992	16	25.3
1994	18	25.3
1995	24	25.3
1996	18	25.3
1997	28	25.3
1998	32	25.3
1999	34	25.3
2000	30	27.8
2001	36	27.8
2002	39	27.8
2003	35	27.8
2004	15	27.8
2007	38	27.8
2008	16	27.8
2009	13	27.8
2010	33	32.1
2011	39	32.1
2012	60	32.1
2013	33	32.1
2014	13	32.1
2015	30	32.1
2016	26	32.1
2017	26	32.1
2018	29	32.1

For each year, a bar from the first to the last day at Montevideo 1SW meeting 30 C (86 F).

First to last qualifying date each year at Montevideo 1SW
Year	First date	Last date
1893	1893-06-07	1893-09-17
1894	1894-05-13	1894-09-28
1895	1895-05-08	1895-09-20
1896	1896-05-05	1896-09-08
1897	1897-04-27	1897-10-02
1899	1899-04-26	1899-09-11
1901	1901-04-30	1901-09-06
1902	1902-06-02	1902-09-07
1903	1903-06-07	1903-09-23
1905	1905-06-04	1905-09-12
1906	1906-05-12	1906-09-11
1907	1907-05-13	1907-09-19
1908	1908-04-15	1908-09-23
1909	1909-05-05	1909-10-07
1910	1910-03-24	1910-10-18
1911	1911-05-10	1911-09-17
1912	1912-06-24	1912-09-09
1913	1913-04-23	1913-09-07
1914	1914-05-26	1914-09-20
1915	1915-04-16	1915-09-07
1916	1916-05-06	1916-09-06
1917	1917-05-17	1917-08-27
1918	1918-05-04	1918-10-16
1919	1919-05-28	1919-09-26
1920	1920-05-25	1920-09-25
1921	1921-04-24	1921-09-02
1922	1922-05-10	1922-10-05
1923	1923-06-01	1923-09-05
1924	1924-04-23	1924-08-29
1925	1925-05-19	1925-09-19
1926	1926-04-22	1926-08-31
1927	1927-06-18	1927-10-26
1929	1929-05-14	1929-09-23
1930	1930-05-03	1930-10-10
1931	1931-04-08	1931-09-20
1932	1932-05-13	1932-09-30
1933	1933-05-18	1933-09-18
1934	1934-04-28	1934-10-11
1935	1935-06-13	1935-09-24
1936	1936-05-31	1936-09-23
1937	1937-05-29	1937-09-23
1938	1938-06-20	1938-10-09
1939	1939-04-23	1939-09-22
1940	1940-05-13	1940-09-20
1941	1941-05-15	1941-09-21
1942	1942-06-12	1942-09-11
1943	1943-05-29	1943-10-09
1944	1944-05-16	1944-09-18
1945	1945-06-23	1945-10-18
1946	1946-06-07	1946-09-05
1947	1947-06-27	1947-10-22
1948	1948-05-20	1948-09-18
1949	1949-05-04	1949-08-27
1950	1950-05-23	1950-09-03
1951	1951-07-08	1951-08-02
1952	1952-04-28	1952-09-28
1953	1953-05-26	1953-10-03
1954	1954-06-13	1954-09-02
1955	1955-05-03	1955-10-27
1956	1956-06-06	1956-09-28
1957	1957-05-08	1957-09-01
1958	1958-05-11	1958-10-16
1959	1959-05-02	1959-09-15
1960	1960-06-26	1960-09-07
1961	1961-05-11	1961-10-17
1962	1962-04-24	1962-08-27
1963	1963-05-07	1963-10-05
1964	1964-05-21	1964-09-03
1965	1965-04-29	1965-09-02
1966	1966-05-26	1966-10-07
1967	1967-05-25	1967-09-25
1968	1968-04-11	1968-09-15
1969	1969-05-15	1969-09-15
1970	1970-04-28	1970-10-05
1971	1971-05-14	1971-09-08
1972	1972-05-17	1972-09-19
1973	1973-06-01	1973-09-02
1974	1974-05-20	1974-09-27
1975	1975-05-17	1975-10-04
1976	1976-06-02	1976-10-01
1977	1977-04-10	1977-09-08
1978	1978-05-19	1978-09-12
1979	1979-05-17	1979-09-26
1980	1980-04-19	1980-10-10
1981	1981-05-02	1981-09-14
1982	1982-05-03	1982-09-10
1983	1983-06-11	1983-09-29
1984	1984-06-01	1984-09-22
1990	1990-04-22	1990-08-31
1991	1991-04-06	1991-08-31
1992	1992-04-30	1992-10-03
1994	1994-05-17	1994-09-14
1995	1995-06-14	1995-10-11
1996	1996-05-17	1996-08-25
1997	1997-06-01	1997-10-07
1998	1998-05-05	1998-09-19
1999	1999-05-29	1999-09-04
2000	2000-05-04	2000-10-20
2001	2001-05-15	2001-10-03
2002	2002-05-30	2002-09-17
2003	2003-04-14	2003-10-20
2004	2004-04-19	2004-09-20
2007	2007-05-13	2007-10-06
2008	2008-06-24	2008-09-26
2009	2009-04-24	2009-09-18
2010	2010-05-25	2010-10-09
2011	2011-05-11	2011-10-06
2012	2012-05-15	2012-10-01
2013	2013-05-14	2013-09-19
2014	2014-05-28	2014-08-22
2015	2015-05-29	2015-10-12
2016	2016-05-07	2016-08-30
2017	2017-05-14	2017-09-23
2018	2018-05-08	2018-09-16

Every Fixed Threshold

Fixed thresholds at Montevideo 1SW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	114	82	1980	29
35 C (95 F): Days	99	25	1931	3
40 C (104 F): Days	12	7	1931	1
90 F (32.2 C): Days	114	54	1980	15
100 F (37.8 C): Days	40	14	1931	1
0 C (32 F): Ice days (max	114	109	1950	80
0 C (32 F): Frost days (min	113	195	2013	171
-10 C (14 F): Days with min	113	112	1955	85
-20 C (-4 F): Days with min	113	51	1893	29
-30 C (-22 F): Days with min	78	15	1936	1
20 C (68 F): Tropical nights (min	110	26	1935	14
25 C (77 F): Days with min	27	5	1931	1
10 mm (0.39 in): Days with 10 mm or more rain	98	32	1953	28
25 mm (0.98 in): Days with 25 mm or more rain	96	13	1991	8
50 mm (1.97 in): Days with 50 mm or more rain	61	5	1991	2
100 mm (3.94 in): Days with 100 mm or more rain	7	2	2001	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	2001	1
10 cm (3.9 in): Days with 10 cm or more snowfall	65	9	2008	2
25 cm (9.8 in): Days with 25 cm or more snowfall	19	2	1951	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

Data for Montevideo 1SW threshold days by year: CSV or JSON. Field meanings are on the data page.

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)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Montevideo 1SW Threshold Days by Year (USC00215563)

Key Facts for Montevideo 1SW Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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