Penjamo Threshold Days by Year (MXN00011091)

11 fixed thresholds counted per year at Penjamo (MXN00011091): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Penjamo Thresholds

Penjamo: days with a maximum temperature at or above 30 C (86 F) in 37 years, most in 1960 with 234.
Penjamo: days with 10 mm (0.39 in) or more of precipitation in 37 years, most in 1958 with 45.
Penjamo: days with 25 mm (0.98 in) or more of precipitation in 37 years, most in 1958 with 16.
Penjamo: days with a maximum temperature at or above 90 F (32.2 C) in 33 years, most in 1960 with 99.
11 fixed thresholds have at least one qualifying day at Penjamo.

Days at or above 30 C (86 F)

37 years with a qualifying day

Days per year at Penjamo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 234 in 1960.

Days at or above 30 C (86 F) per year at Penjamo
Year	Days	Decade average
1925	82	52.3
1928	62	52.3
1929	13	52.3
1930	65	62.3
1931	32	62.3
1932	50	62.3
1933	35	62.3
1934	77	62.3
1935	115	62.3
1945	101	106.8
1946	115	106.8
1947	105	106.8
1948	89	106.8
1949	124	106.8
1950	98	123.2
1951	94	123.2
1952	78	123.2
1956	101	123.2
1957	218	123.2
1958	150	123.2
1960	234	180.5
1961	135	180.5
1962	158	180.5
1963	195	180.5
1977	12	15.3
1978	18	15.3
1979	16	15.3
1980	39	60
1981	38	60
1982	48	60
1983	55	60
1984	69	60
1985	61	60
1986	68	60
1988	102	60
1990	93	103.5
1991	114	103.5

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

First to last qualifying date each year at Penjamo
Year	First date	Last date
1925	1925-02-21	1925-11-03
1928	1928-01-01	1928-07-22
1929	1929-04-09	1929-11-11
1930	1930-03-03	1930-10-30
1931	1931-04-21	1931-12-07
1932	1932-01-28	1932-11-14
1933	1933-01-26	1933-07-27
1934	1934-02-23	1934-10-25
1935	1935-03-21	1935-10-24
1945	1945-02-28	1945-11-20
1946	1946-01-31	1946-12-14
1947	1947-03-04	1947-10-31
1948	1948-02-09	1948-12-27
1949	1949-01-10	1949-10-24
1950	1950-01-07	1950-09-20
1951	1951-02-20	1951-11-25
1952	1952-01-17	1952-09-10
1956	1956-03-05	1956-09-26
1957	1957-01-09	1957-11-29
1958	1958-01-30	1958-11-16
1960	1960-01-04	1960-12-08
1961	1961-01-11	1961-11-18
1962	1962-02-09	1962-11-26
1963	1963-02-20	1963-12-27
1977	1977-03-16	1977-05-22
1978	1978-04-05	1978-05-31
1979	1979-03-30	1979-05-30
1980	1980-03-10	1980-06-29
1981	1981-04-01	1981-08-05
1982	1982-03-17	1982-06-29
1983	1983-04-18	1983-06-28
1984	1984-03-15	1984-06-29
1985	1985-03-02	1985-11-11
1986	1986-02-17	1986-11-22
1988	1988-02-04	1988-11-17
1990	1990-03-06	1990-10-16
1991	1991-02-14	1991-10-27

Every Fixed Threshold

Fixed thresholds at Penjamo
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	37	234	1960	114
35 C (95 F): Days	24	41	1960	33
40 C (104 F): Days	1	1	1945	1
90 F (32.2 C): Days	33	99	1960	77
100 F (37.8 C): Days	5	2	1925	1
0 C (32 F): Frost days (min	1	3	1977	3
20 C (68 F): Tropical nights (min	19	23	1931	5
25 C (77 F): Days with min	1	1	1925	1
10 mm (0.39 in): Days with 10 mm or more rain	37	45	1958	26
25 mm (0.98 in): Days with 25 mm or more rain	37	16	1958	6
50 mm (1.97 in): Days with 50 mm or more rain	19	4	1951	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1925.

Download the Data

Data for Penjamo 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).

Penjamo Threshold Days by Year (MXN00011091)

Key Facts for Penjamo Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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