Choix (Smn) Threshold Days by Year (MXN00025018)

14 fixed thresholds counted per year at Choix (Smn) (MXN00025018): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Choix (Smn) Thresholds

Choix (Smn): days with a maximum temperature at or above 30 C (86 F) in 31 years, most in 1954 with 335.
Choix (Smn): days with a maximum temperature at or above 35 C (95 F) in 31 years, most in 1954 with 225.
Choix (Smn): days with a maximum temperature at or above 40 C (104 F) in 31 years, most in 1958 with 86.
Choix (Smn): days with a maximum temperature at or above 90 F (32.2 C) in 31 years, most in 1954 with 300.
14 fixed thresholds have at least one qualifying day at Choix (Smn).

Days at or above 30 C (86 F)

31 years with a qualifying day

Days per year at Choix (Smn) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 335 in 1954.

Days at or above 30 C (86 F) per year at Choix (Smn)
Year	Days	Decade average
1953	288	310.3
1954	335	310.3
1955	313	310.3
1956	318	310.3
1958	311	310.3
1959	297	310.3
1960	304	300.9
1961	300	300.9
1962	308	300.9
1963	302	300.9
1964	296	300.9
1965	304	300.9
1966	306	300.9
1967	312	300.9
1968	282	300.9
1969	295	300.9
1970	333	285.6
1971	310	285.6
1972	273	285.6
1973	251	285.6
1974	269	285.6
1975	275	285.6
1976	276	285.6
1977	311	285.6
1978	271	285.6
1979	287	285.6
1980	302	272.2
1981	285	272.2
1982	296	272.2
1983	231	272.2
1984	247	272.2

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

First to last qualifying date each year at Choix (Smn)
Year	First date	Last date
1953	1953-01-03	1953-12-31
1954	1954-01-01	1954-12-25
1955	1955-01-01	1955-12-31
1956	1956-01-01	1956-12-30
1958	1958-01-01	1958-12-29
1959	1959-01-07	1959-12-20
1960	1960-01-09	1960-12-27
1961	1961-01-09	1961-12-31
1962	1962-01-01	1962-12-31
1963	1963-01-01	1963-12-29
1964	1964-01-01	1964-12-30
1965	1965-01-03	1965-12-30
1966	1966-01-06	1966-12-26
1967	1967-01-04	1967-12-27
1968	1968-01-12	1968-12-25
1969	1969-01-04	1969-12-29
1970	1970-01-09	1970-12-31
1971	1971-01-01	1971-12-27
1972	1972-01-06	1972-12-20
1973	1973-01-18	1973-12-30
1974	1974-01-14	1974-11-26
1975	1975-01-13	1975-12-14
1976	1976-01-08	1976-12-28
1977	1977-01-17	1977-12-27
1978	1978-01-03	1978-12-18
1979	1979-02-09	1979-12-31
1980	1980-01-01	1980-12-31
1981	1981-01-01	1981-12-22
1982	1982-01-05	1982-12-20
1983	1983-01-06	1983-12-25
1984	1984-02-14	1984-12-10

Every Fixed Threshold

Fixed thresholds at Choix (Smn)
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	31	335	1954	247
35 C (95 F): Days	31	225	1954	75
40 C (104 F): Days	31	86	1958	6
45 C (113 F): Days	12	18	1958	1
90 F (32.2 C): Days	31	300	1954	156
100 F (37.8 C): Days	31	127	1963	23
110 F (43.3 C): Days	25	40	1958	2
0 C (32 F): Frost days (min	13	16	1964	1
20 C (68 F): Tropical nights (min	31	161	1954	125
25 C (77 F): Days with min	31	50	1953	4
10 mm (0.39 in): Days with 10 mm or more rain	31	43	1984	43
25 mm (0.98 in): Days with 25 mm or more rain	31	17	1958	17
50 mm (1.97 in): Days with 50 mm or more rain	24	6	1983	2
100 mm (3.94 in): Days with 100 mm or more rain	6	1	1958	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1953.

Download the Data

Data for Choix (Smn) 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).

Choix (Smn) Threshold Days by Year (MXN00025018)

Key Facts for Choix (Smn) Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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