La Rumorosa Threshold Days by Year (MXN00002031)

13 fixed thresholds counted per year at La Rumorosa (MXN00002031): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for La Rumorosa Thresholds

La Rumorosa: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1978 with 14.
La Rumorosa: days with a maximum temperature at or above 30 C (86 F) in 37 years, most in 1958 with 126.
La Rumorosa: days with a maximum temperature at or above 35 C (95 F) in 37 years, most in 1953 with 54.
La Rumorosa: days with a maximum temperature at or above 90 F (32.2 C) in 37 years, most in 1958 with 81.
13 fixed thresholds have at least one qualifying day at La Rumorosa.

Days at or above 30 C (86 F)

37 years with a qualifying day

Days per year at La Rumorosa with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 126 in 1958.

Days at or above 30 C (86 F) per year at La Rumorosa
Year	Days	Decade average
1932	93	89.3
1933	102	89.3
1934	83	89.3
1935	79	89.3
1946	102	94.5
1947	87	94.5
1950	91	98.2
1951	107	98.2
1952	45	98.2
1953	95	98.2
1954	123	98.2
1955	84	98.2
1956	112	98.2
1957	95	98.2
1958	126	98.2
1959	104	98.2
1960	117	89
1961	97	89
1962	102	89
1964	88	89
1965	82	89
1966	87	89
1967	72	89
1968	75	89
1969	81	89
1970	86	81.2
1972	72	81.2
1973	84	81.2
1974	90	81.2
1975	81	81.2
1976	65	81.2
1977	75	81.2
1978	86	81.2
1979	92	81.2
1983	50	76.7
1986	76	76.7
1988	104	76.7

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

First to last qualifying date each year at La Rumorosa
Year	First date	Last date
1932	1932-05-17	1932-09-26
1933	1933-05-28	1933-10-26
1934	1934-05-07	1934-10-03
1935	1935-06-04	1935-09-30
1946	1946-05-05	1946-09-26
1947	1947-05-01	1947-10-05
1950	1950-04-21	1950-10-28
1951	1951-05-22	1951-10-10
1952	1952-06-16	1952-09-16
1953	1953-06-20	1953-10-02
1954	1954-04-16	1954-10-18
1955	1955-05-12	1955-10-03
1956	1956-05-03	1956-10-10
1957	1957-05-31	1957-09-30
1958	1958-04-20	1958-10-18
1959	1959-04-02	1959-10-25
1960	1960-04-06	1960-10-06
1961	1961-04-04	1961-11-28
1962	1962-04-07	1962-10-03
1964	1964-05-20	1964-10-23
1965	1965-04-21	1965-10-18
1966	1966-04-02	1966-09-27
1967	1967-05-19	1967-09-13
1968	1968-05-19	1968-09-27
1969	1969-05-10	1969-09-30
1970	1970-05-16	1970-09-18
1972	1972-05-02	1972-09-30
1973	1973-05-10	1973-09-30
1974	1974-05-24	1974-10-01
1975	1975-05-12	1975-10-05
1976	1976-05-12	1976-09-01
1977	1977-05-31	1977-09-09
1978	1978-05-15	1978-10-13
1979	1979-05-23	1979-11-23
1983	1983-05-23	1983-09-24
1986	1986-05-19	1986-08-31
1988	1988-05-11	1988-10-09

Every Fixed Threshold

Fixed thresholds at La Rumorosa
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	37	126	1958	104
35 C (95 F): Days	37	54	1953	6
40 C (104 F): Days	6	3	1932	1
90 F (32.2 C): Days	37	81	1958	31
100 F (37.8 C): Days	27	13	1958	1
0 C (32 F): Ice days (max	8	2	1935	1
0 C (32 F): Frost days (min	37	102	1952	37
-10 C (14 F): Days with min	9	5	1950	3
20 C (68 F): Tropical nights (min	36	71	1953	9
25 C (77 F): Days with min	15	26	1953	2
10 mm (0.39 in): Days with 10 mm or more rain	39	14	1978	8
25 mm (0.98 in): Days with 25 mm or more rain	26	2	1935	5
50 mm (1.97 in): Days with 50 mm or more rain	4	1	1969	2

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 La Rumorosa 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).

La Rumorosa Threshold Days by Year (MXN00002031)

Key Facts for La Rumorosa Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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