Zongolica Threshold Days by Year (MXN00030200)

11 fixed thresholds counted per year at Zongolica (MXN00030200): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Zongolica Thresholds

Zongolica: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 1958 with 129.
Zongolica: days with 25 mm (0.98 in) or more of precipitation in 28 years, most in 1958 with 62.
Zongolica: days with 50 mm (1.97 in) or more of precipitation in 28 years, most in 1958 with 16.
Zongolica: days with a maximum temperature at or above 30 C (86 F) in 25 years, most in 1967 with 139.
11 fixed thresholds have at least one qualifying day at Zongolica.

Days at or above 30 C (86 F)

25 years with a qualifying day

Days per year at Zongolica with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 139 in 1967.

Days at or above 30 C (86 F) per year at Zongolica
Year	Days	Decade average
1954	17	15.4
1955	26	15.4
1956	11	15.4
1958	16	15.4
1959	7	15.4
1960	24	34.4
1961	27	34.4
1962	28	34.4
1963	15	34.4
1964	31	34.4
1965	28	34.4
1966	5	34.4
1967	139	34.4
1968	13	34.4
1972	3	22.1
1973	49	22.1
1974	34	22.1
1975	49	22.1
1976	11	22.1
1977	13	22.1
1978	9	22.1
1979	9	22.1
1980	39	32
1982	24	32
1984	33	32

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

First to last qualifying date each year at Zongolica
Year	First date	Last date
1954	1954-02-11	1954-12-05
1955	1955-03-19	1955-06-16
1956	1956-02-17	1956-04-15
1958	1958-02-26	1958-08-25
1959	1959-02-18	1959-12-27
1960	1960-02-04	1960-07-25
1961	1961-03-17	1961-09-12
1962	1962-02-23	1962-09-08
1963	1963-02-10	1963-12-11
1964	1964-01-19	1964-12-25
1965	1965-01-30	1965-07-27
1966	1966-03-02	1966-04-20
1967	1967-02-05	1967-11-24
1968	1968-03-09	1968-11-29
1972	1972-05-23	1972-11-13
1973	1973-02-01	1973-12-24
1974	1974-01-28	1974-06-09
1975	1975-02-16	1975-10-23
1976	1976-03-10	1976-06-01
1977	1977-02-23	1977-04-16
1978	1978-02-28	1978-05-12
1979	1979-01-08	1979-05-04
1980	1980-02-16	1980-11-30
1982	1982-03-04	1982-09-30
1984	1984-02-26	1984-05-23

Every Fixed Threshold

Fixed thresholds at Zongolica
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	25	139	1967	33
35 C (95 F): Days	10	33	1967	5
90 F (32.2 C): Days	18	82	1967	16
100 F (37.8 C): Days	3	3	1967	1
0 C (32 F): Frost days (min	13	7	1967	2
20 C (68 F): Tropical nights (min	3	37	1970	7
10 mm (0.39 in): Days with 10 mm or more rain	28	129	1958	82
25 mm (0.98 in): Days with 25 mm or more rain	28	62	1958	34
50 mm (1.97 in): Days with 50 mm or more rain	28	16	1958	7
100 mm (3.94 in): Days with 100 mm or more rain	15	5	1955	1
200 mm (7.87 in): Days with 200 mm or more rain	2	1	1972	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1954.

Download the Data

Data for Zongolica 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).

Zongolica Threshold Days by Year (MXN00030200)

Key Facts for Zongolica Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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