Nogales Threshold Days by Year

15 fixed thresholds counted per year at Nogales (USC00025921): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Nogales Thresholds

Nogales: days with 10 mm (0.39 in) or more of precipitation in 72 years, most in 1978 with 27.
Nogales: days with a maximum temperature at or above 30 C (86 F) in 70 years, most in 1937 with 173.
Nogales: days with a maximum temperature at or above 35 C (95 F) in 70 years, most in 1938 with 88.
Nogales: days with a maximum temperature at or above 90 F (32.2 C) in 70 years, most in 1936 with 134.
15 fixed thresholds have at least one qualifying day at Nogales.

Days at or above 30 C (86 F)

70 years with a qualifying day

Days per year at Nogales with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 173 in 1937.

Days at or above 30 C (86 F) per year at Nogales
Year	Days	Decade average
1900	122	137
1901	152	137
1914	127	125.4
1915	127	125.4
1917	122	125.4
1918	132	125.4
1919	119	125.4
1920	126	142.4
1921	140	142.4
1922	144	142.4
1923	129	142.4
1924	151	142.4
1925	141	142.4
1926	142	142.4
1927	154	142.4
1928	148	142.4
1929	149	142.4
1930	134	147.6
1931	157	147.6
1932	146	147.6
1933	147	147.6
1934	129	147.6
1935	118	147.6
1936	161	147.6
1937	173	147.6
1938	157	147.6
1939	154	147.6
1940	158	143
1941	130	143
1942	154	143
1943	166	143
1944	138	143
1945	139	143
1946	130	143
1947	138	143
1948	151	143
1949	126	143
1950	146	136.6
1951	137	136.6
1952	168	136.6
1953	137	136.6
1954	137	136.6
1955	112	136.6
1956	137	136.6
1957	124	136.6
1958	135	136.6
1959	133	136.6
1960	144	131.2
1961	137	131.2
1962	144	131.2
1963	148	131.2
1964	123	131.2
1965	134	131.2
1966	103	131.2
1967	129	131.2
1968	119	131.2
1969	131	131.2
1970	129	137.8
1971	116	137.8
1972	158	137.8
1973	166	137.8
1974	146	137.8
1975	141	137.8
1976	110	137.8
1977	127	137.8
1978	146	137.8
1979	139	137.8
1980	140	137.3
1981	129	137.3
1982	143	137.3

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

First to last qualifying date each year at Nogales
Year	First date	Last date
1900	1900-03-11	1900-11-08
1901	1901-04-23	1901-10-19
1914	1914-04-14	1914-10-13
1915	1915-05-11	1915-11-03
1917	1917-03-28	1917-10-23
1918	1918-05-14	1918-11-02
1919	1919-04-18	1919-09-26
1920	1920-05-08	1920-10-10
1921	1921-04-11	1921-10-31
1922	1922-04-21	1922-10-27
1923	1923-05-03	1923-10-22
1924	1924-04-21	1924-11-23
1925	1925-03-05	1925-10-05
1926	1926-04-23	1926-10-27
1927	1927-01-13	1927-11-04
1928	1928-03-26	1928-10-24
1929	1929-03-29	1929-10-22
1930	1930-02-07	1930-10-21
1931	1931-03-21	1931-11-03
1932	1932-04-01	1932-10-27
1933	1933-03-11	1933-10-27
1934	1934-03-16	1934-11-05
1935	1935-04-13	1935-10-18
1936	1936-03-20	1936-10-18
1937	1937-04-08	1937-11-03
1938	1938-03-24	1938-11-15
1939	1939-03-16	1939-11-01
1940	1940-03-30	1940-10-29
1941	1941-05-05	1941-10-10
1942	1942-04-01	1942-11-13
1943	1943-03-28	1943-10-27
1944	1944-05-05	1944-10-21
1945	1945-04-18	1945-11-04
1946	1946-04-11	1946-09-25
1947	1947-03-25	1947-11-01
1948	1948-04-14	1948-10-15
1949	1949-04-22	1949-10-13
1950	1950-03-29	1950-10-30
1951	1951-04-13	1951-10-19
1952	1952-04-05	1952-10-29
1953	1953-03-27	1953-10-17
1954	1954-04-08	1954-10-22
1955	1955-05-04	1955-10-18
1956	1956-05-02	1956-10-22
1957	1957-02-13	1957-10-10
1958	1958-04-18	1958-10-18
1959	1959-04-01	1959-10-27
1960	1960-03-06	1960-10-22
1961	1961-04-03	1961-10-13
1962	1962-04-12	1962-11-03
1963	1963-04-07	1963-10-28
1964	1964-04-14	1964-10-29
1965	1965-04-16	1965-10-26
1966	1966-05-01	1966-11-29
1967	1967-03-16	1967-11-14
1968	1968-05-18	1968-10-29
1969	1969-03-30	1969-10-09
1970	1970-05-04	1970-11-24
1971	1971-03-26	1971-10-13
1972	1972-03-05	1972-10-16
1973	1973-04-26	1973-11-12
1974	1974-03-16	1974-10-20
1975	1975-04-21	1975-11-16
1976	1976-04-25	1976-10-11
1977	1977-04-06	1977-10-17
1978	1978-03-26	1978-10-19
1979	1979-04-14	1979-10-26
1980	1980-04-09	1980-11-09
1981	1981-04-25	1981-11-23
1982	1982-03-11	1982-10-26

Every Fixed Threshold

Fixed thresholds at Nogales
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	70	173	1937	143
35 C (95 F): Days	70	88	1938	40
40 C (104 F): Days	48	19	1940	3
90 F (32.2 C): Days	70	134	1936	98
100 F (37.8 C): Days	70	35	1936	7
110 F (43.3 C): Days	1	1	1940	1
0 C (32 F): Frost days (min	70	142	1975	105
-10 C (14 F): Days with min	34	17	1964	1
20 C (68 F): Tropical nights (min	69	33	1933	4
25 C (77 F): Days with min	6	2	1927	1
10 mm (0.39 in): Days with 10 mm or more rain	72	27	1978	12
25 mm (0.98 in): Days with 25 mm or more rain	69	9	1937	1
50 mm (1.97 in): Days with 50 mm or more rain	15	2	1967	1
10 cm (3.9 in): Days with 10 cm or more snowfall	7	2	1971	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1978	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1900.

Download the Data

Data for Nogales 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 2026-10-13 (13 October 2026). Threshold counts are computed by this site.

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

Nogales Threshold Days by Year

Key Facts for Nogales Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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