Tantima Threshold Days by Year (MXN00030168)

15 fixed thresholds counted per year at Tantima (MXN00030168): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tantima Thresholds

Tantima: days with a maximum temperature at or above 30 C (86 F) in 41 years, most in 1982 with 248.
Tantima: days with a maximum temperature at or above 90 F (32.2 C) in 41 years, most in 1982 with 187.
Tantima: nights with a minimum temperature at or above 20 C (68 F) in 41 years, most in 1971 with 299.
Tantima: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1984 with 66.
15 fixed thresholds have at least one qualifying day at Tantima.

Days at or above 30 C (86 F)

41 years with a qualifying day

Days per year at Tantima with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 248 in 1982.

Days at or above 30 C (86 F) per year at Tantima
Year	Days	Decade average
1945	186	184.2
1946	186	184.2
1947	174	184.2
1948	192	184.2
1949	183	184.2
1950	196	168.3
1951	185	168.3
1952	125	168.3
1953	177	168.3
1954	154	168.3
1955	162	168.3
1956	172	168.3
1958	174	168.3
1959	170	168.3
1960	184	164.8
1961	140	164.8
1962	96	164.8
1964	177	164.8
1965	176	164.8
1966	195	164.8
1967	183	164.8
1968	172	164.8
1969	160	164.8
1970	155	207.8
1971	143	207.8
1972	239	207.8
1973	223	207.8
1974	210	207.8
1975	223	207.8
1976	203	207.8
1977	228	207.8
1978	235	207.8
1979	219	207.8
1980	229	192.8
1981	237	192.8
1982	248	192.8
1983	225	192.8
1984	108	192.8
1985	143	192.8
1986	162	192.8
1987	190	192.8

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

First to last qualifying date each year at Tantima
Year	First date	Last date
1945	1945-02-10	1945-12-24
1946	1946-01-05	1946-11-25
1947	1947-01-14	1947-11-14
1948	1948-02-27	1948-11-27
1949	1949-01-03	1949-12-21
1950	1950-01-03	1950-12-05
1951	1951-01-02	1951-12-20
1952	1952-01-26	1952-10-20
1953	1953-01-22	1953-12-05
1954	1954-01-15	1954-10-24
1955	1955-02-03	1955-11-16
1956	1956-02-17	1956-11-03
1958	1958-01-31	1958-11-08
1959	1959-02-18	1959-11-05
1960	1960-01-14	1960-11-02
1961	1961-03-06	1961-10-10
1962	1962-02-21	1962-10-21
1964	1964-01-19	1964-11-19
1965	1965-02-11	1965-10-19
1966	1966-03-03	1966-12-31
1967	1967-01-02	1967-11-24
1968	1968-03-09	1968-10-22
1969	1969-03-23	1969-10-25
1970	1970-02-15	1970-11-13
1971	1971-01-31	1971-10-31
1972	1972-01-13	1972-12-06
1973	1973-02-13	1973-12-31
1974	1974-02-02	1974-11-04
1975	1975-01-23	1975-12-02
1976	1976-02-05	1976-11-27
1977	1977-02-22	1977-12-05
1978	1978-02-12	1978-12-21
1979	1979-01-20	1979-11-21
1980	1980-01-22	1980-12-07
1981	1981-02-09	1981-12-28
1982	1982-01-01	1982-12-24
1983	1983-01-29	1983-12-09
1984	1984-02-26	1984-11-04
1985	1985-03-29	1985-11-01
1986	1986-02-05	1986-11-23
1987	1987-01-16	1987-12-14

Every Fixed Threshold

Fixed thresholds at Tantima
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	41	248	1982	190
35 C (95 F): Days	40	145	1982	60
40 C (104 F): Days	22	12	1980	1
45 C (113 F): Days	1	1	1973	1
90 F (32.2 C): Days	41	187	1982	104
100 F (37.8 C): Days	33	68	1980	5
110 F (43.3 C): Days	3	2	1945	1
0 C (32 F): Frost days (min	1	1	1951	1
20 C (68 F): Tropical nights (min	41	299	1971	191
25 C (77 F): Days with min	40	169	1969	14
10 mm (0.39 in): Days with 10 mm or more rain	41	66	1984	41
25 mm (0.98 in): Days with 25 mm or more rain	41	33	1984	17
50 mm (1.97 in): Days with 50 mm or more rain	41	15	1984	7
100 mm (3.94 in): Days with 100 mm or more rain	38	7	1952	1
200 mm (7.87 in): Days with 200 mm or more rain	7	3	1954	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.

Download the Data

Data for Tantima 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).

Tantima Threshold Days by Year (MXN00030168)

Key Facts for Tantima Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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