Iramuco Threshold Days by Year (MXN00011027)

11 fixed thresholds counted per year at Iramuco (MXN00011027): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Iramuco Thresholds

Iramuco: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1958 with 40.
Iramuco: days with 25 mm (0.98 in) or more of precipitation in 38 years, most in 1958 with 10.
Iramuco: days with a maximum temperature at or above 30 C (86 F) in 35 years, most in 1947 with 285.
Iramuco: days with a maximum temperature at or above 90 F (32.2 C) in 27 years, most in 1947 with 180.
11 fixed thresholds have at least one qualifying day at Iramuco.

Days at or above 30 C (86 F)

35 years with a qualifying day

Days per year at Iramuco with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 285 in 1947.

Days at or above 30 C (86 F) per year at Iramuco
Year	Days	Decade average
1932	18	14.8
1933	35	14.8
1934	5	14.8
1935	5	14.8
1936	11	14.8
1947	285	124
1948	33	124
1949	54	124
1950	58	50
1951	50	50
1952	45	50
1953	71	50
1954	59	50
1955	79	50
1956	40	50
1957	52	50
1958	40	50
1959	6	50
1960	58	44.7
1961	47	44.7
1962	51	44.7
1963	56	44.7
1964	41	44.7
1965	76	44.7
1966	21	44.7
1967	18	44.7
1968	20	44.7
1969	59	44.7
1970	43	67.3
1971	25	67.3
1972	45	67.3
1973	35	67.3
1974	116	67.3
1975	104	67.3
1976	103	67.3

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

First to last qualifying date each year at Iramuco
Year	First date	Last date
1932	1932-05-11	1932-06-22
1933	1933-04-10	1933-05-31
1934	1934-06-05	1934-06-18
1935	1935-04-12	1935-05-22
1936	1936-03-16	1936-10-11
1947	1947-01-08	1947-12-11
1948	1948-03-19	1948-05-30
1949	1949-03-07	1949-10-08
1950	1950-02-27	1950-06-22
1951	1951-02-18	1951-06-22
1952	1952-03-07	1952-05-28
1953	1953-03-01	1953-09-18
1954	1954-03-10	1954-06-10
1955	1955-02-27	1955-07-03
1956	1956-03-03	1956-06-12
1957	1957-03-22	1957-06-11
1958	1958-03-16	1958-06-06
1959	1959-04-06	1959-05-23
1960	1960-03-10	1960-06-24
1961	1961-03-30	1961-06-08
1962	1962-03-25	1962-06-17
1963	1963-03-13	1963-06-09
1964	1964-03-22	1964-06-06
1965	1965-03-04	1965-06-15
1966	1966-04-27	1966-06-07
1967	1967-04-14	1967-05-14
1968	1968-04-14	1968-06-10
1969	1969-04-03	1969-06-20
1970	1970-03-21	1970-06-13
1971	1971-04-21	1971-06-10
1972	1972-04-04	1972-05-24
1973	1973-03-07	1973-06-05
1974	1974-02-13	1974-11-03
1975	1975-02-17	1975-10-24
1976	1976-02-10	1976-10-04

Every Fixed Threshold

Fixed thresholds at Iramuco
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	35	285	1947	103
35 C (95 F): Days	13	141	1947	4
40 C (104 F): Days	1	23	1947	23
90 F (32.2 C): Days	27	180	1947	17
100 F (37.8 C): Days	2	69	1947	2
0 C (32 F): Frost days (min	20	36	1950	4
20 C (68 F): Tropical nights (min	6	82	1936	82
25 C (77 F): Days with min	1	2	1936	2
10 mm (0.39 in): Days with 10 mm or more rain	39	40	1958	26
25 mm (0.98 in): Days with 25 mm or more rain	38	10	1958	6
50 mm (1.97 in): Days with 50 mm or more rain	10	3	1948	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1932.

Download the Data

Data for Iramuco 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).

Iramuco Threshold Days by Year (MXN00011027)

Key Facts for Iramuco Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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