San Ignacio Threshold Days by Year (MXN00003052)

15 fixed thresholds counted per year at San Ignacio (MXN00003052): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Ignacio Thresholds

San Ignacio: days with a maximum temperature at or above 30 C (86 F) in 59 years, most in 1955 with 359.
San Ignacio: days with a maximum temperature at or above 35 C (95 F) in 59 years, most in 1955 with 309.
San Ignacio: days with a maximum temperature at or above 90 F (32.2 C) in 59 years, most in 1955 with 323.
San Ignacio: days with a maximum temperature at or above 100 F (37.8 C) in 59 years, most in 1955 with 291.
15 fixed thresholds have at least one qualifying day at San Ignacio.

Days at or above 30 C (86 F)

59 years with a qualifying day

Days per year at San Ignacio with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 359 in 1955.

Days at or above 30 C (86 F) per year at San Ignacio
Year	Days	Decade average
1939	217	217
1940	190	174.1
1941	179	174.1
1942	170	174.1
1943	174	174.1
1944	144	174.1
1945	190	174.1
1946	197	174.1
1947	154	174.1
1948	151	174.1
1949	192	174.1
1950	229	225.7
1951	193	225.7
1952	198	225.7
1953	204	225.7
1954	248	225.7
1955	359	225.7
1956	260	225.7
1957	164	225.7
1958	176	225.7
1962	198	200.6
1963	208	200.6
1964	192	200.6
1965	195	200.6
1966	210	200.6
1967	202	200.6
1968	199	200.6
1970	210	189.3
1971	200	189.3
1972	199	189.3
1973	193	189.3
1974	189	189.3
1975	164	189.3
1976	181	189.3
1977	187	189.3
1978	181	189.3
1981	222	215.7
1982	257	215.7
1983	194	215.7
1984	192	215.7
1985	210	215.7
1989	219	215.7
1992	193	235.2
1994	212	235.2
1996	258	235.2
1997	251	235.2
1998	262	235.2
2000	273	245.2
2001	268	245.2
2002	247	245.2
2003	220	245.2
2004	223	245.2
2005	255	245.2
2006	261	245.2
2007	246	245.2
2008	196	245.2
2009	263	245.2
2010	185	197.5
2012	210	197.5

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

First to last qualifying date each year at San Ignacio
Year	First date	Last date
1939	1939-01-17	1939-12-19
1940	1940-01-28	1940-12-06
1941	1941-02-10	1941-12-29
1942	1942-01-24	1942-12-16
1943	1943-02-15	1943-11-13
1944	1944-05-01	1944-10-21
1945	1945-02-08	1945-12-31
1946	1946-01-24	1946-12-24
1947	1947-01-27	1947-11-30
1948	1948-01-05	1948-10-25
1949	1949-03-13	1949-12-31
1950	1950-01-18	1950-11-30
1951	1951-01-25	1951-11-30
1952	1952-04-03	1952-11-24
1953	1953-01-01	1953-12-21
1954	1954-02-16	1954-12-31
1955	1955-01-01	1955-12-31
1956	1956-01-01	1956-12-01
1957	1957-01-12	1957-10-26
1958	1958-05-16	1958-12-18
1962	1962-02-02	1962-12-08
1963	1963-01-31	1963-12-01
1964	1964-03-15	1964-11-30
1965	1965-01-18	1965-11-24
1966	1966-01-08	1966-11-29
1967	1967-02-13	1967-11-18
1968	1968-02-20	1968-12-10
1970	1970-01-22	1970-12-27
1971	1971-01-16	1971-11-13
1972	1972-01-16	1972-12-23
1973	1973-02-06	1973-12-18
1974	1974-01-20	1974-11-27
1975	1975-01-15	1975-11-25
1976	1976-01-17	1976-11-22
1977	1977-02-14	1977-12-03
1978	1978-02-23	1978-11-08
1981	1981-01-20	1981-12-28
1982	1982-02-10	1982-11-20
1983	1983-02-18	1983-12-15
1984	1984-02-17	1984-11-11
1985	1985-02-14	1985-12-31
1989	1989-03-01	1989-12-09
1992	1992-04-09	1992-11-14
1994	1994-01-03	1994-11-14
1996	1996-01-01	1996-12-31
1997	1997-01-05	1997-12-24
1998	1998-01-04	1998-12-30
2000	2000-01-01	2000-12-31
2001	2001-01-01	2001-12-27
2002	2002-01-08	2002-11-20
2003	2003-01-05	2003-12-25
2004	2004-02-08	2004-11-11
2005	2005-01-01	2005-11-29
2006	2006-01-06	2006-11-28
2007	2007-01-02	2007-11-21
2008	2008-03-02	2008-12-02
2009	2009-01-01	2009-11-12
2010	2010-02-15	2010-12-02
2012	2012-01-01	2012-11-23

Every Fixed Threshold

Fixed thresholds at San Ignacio
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	59	359	1955	210
35 C (95 F): Days	59	309	1955	130
40 C (104 F): Days	56	174	1955	19
45 C (113 F): Days	4	3	1982	1
90 F (32.2 C): Days	59	323	1955	160
100 F (37.8 C): Days	59	291	1955	75
110 F (43.3 C): Days	12	7	1982	1
0 C (32 F): Frost days (min	11	11	2010	11
20 C (68 F): Tropical nights (min	54	90	1946	78
25 C (77 F): Days with min	29	16	1945	7
10 mm (0.39 in): Days with 10 mm or more rain	54	9	1949	9
25 mm (0.98 in): Days with 25 mm or more rain	24	6	2006	3
50 mm (1.97 in): Days with 50 mm or more rain	11	2	1967	2
100 mm (3.94 in): Days with 100 mm or more rain	1	1	2009	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	2009	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1939.

Download the Data

Data for San Ignacio 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).

San Ignacio Threshold Days by Year (MXN00003052)

Key Facts for San Ignacio Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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