Valle de Santiago Threshold Days by Year (MXN00011079)

13 fixed thresholds counted per year at Valle de Santiago (MXN00011079): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Valle de Santiago Thresholds

Valle de Santiago: days with 10 mm (0.39 in) or more of precipitation in 71 years, most in 1958 with 51.
Valle de Santiago: days with a maximum temperature at or above 30 C (86 F) in 67 years, most in 1930 with 250.
Valle de Santiago: days with 25 mm (0.98 in) or more of precipitation in 67 years, most in 2010 with 13.
Valle de Santiago: days with a maximum temperature at or above 90 F (32.2 C) in 66 years, most in 1930 with 188.
13 fixed thresholds have at least one qualifying day at Valle de Santiago.

Days at or above 30 C (86 F)

67 years with a qualifying day

Days per year at Valle de Santiago with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 250 in 1930.

Days at or above 30 C (86 F) per year at Valle de Santiago
Year	Days	Decade average
1923	98	136.1
1924	128	136.1
1925	131	136.1
1926	106	136.1
1927	121	136.1
1928	167	136.1
1929	202	136.1
1930	250	250
1945	137	106.7
1948	77	106.7
1949	106	106.7
1950	93	127.8
1951	201	127.8
1952	202	127.8
1953	228	127.8
1954	74	127.8
1955	92	127.8
1956	80	127.8
1957	124	127.8
1958	86	127.8
1959	98	127.8
1960	152	153.1
1961	156	153.1
1962	200	153.1
1963	133	153.1
1964	146	153.1
1965	155	153.1
1966	153	153.1
1967	138	153.1
1968	128	153.1
1969	170	153.1
1970	163	120
1971	92	120
1972	116	120
1973	122	120
1974	120	120
1975	103	120
1976	116	120
1977	117	120
1978	119	120
1979	132	120
1980	147	113.2
1983	87	113.2
1984	93	113.2
1985	66	113.2
1986	173	113.2
1987	113	113.2
1991	106	97.9
1992	9	97.9
1993	131	97.9
1994	194	97.9
1995	91	97.9
1996	74	97.9
1997	80	97.9
2000	55	79.7
2001	63	79.7
2002	127	79.7
2003	120	79.7
2004	53	79.7
2005	102	79.7
2006	67	79.7
2007	49	79.7
2008	61	79.7
2009	100	79.7
2010	83	90.7
2011	110	90.7
2012	79	90.7

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

First to last qualifying date each year at Valle de Santiago
Year	First date	Last date
1923	1923-02-02	1923-10-04
1924	1924-02-15	1924-11-22
1925	1925-01-07	1925-11-10
1926	1926-02-11	1926-11-15
1927	1927-01-20	1927-12-12
1928	1928-01-27	1928-12-06
1929	1929-01-15	1929-11-13
1930	1930-01-07	1930-10-30
1945	1945-02-22	1945-09-07
1948	1948-03-25	1948-12-20
1949	1949-03-06	1949-12-18
1950	1950-02-25	1950-11-15
1951	1951-02-15	1951-11-25
1952	1952-02-10	1952-12-20
1953	1953-02-03	1953-10-31
1954	1954-03-10	1954-11-01
1955	1955-02-19	1955-06-30
1956	1956-02-16	1956-11-04
1957	1957-03-21	1957-11-06
1958	1958-02-28	1958-10-06
1959	1959-02-12	1959-12-12
1960	1960-01-03	1960-11-28
1961	1961-02-19	1961-12-29
1962	1962-01-01	1962-12-19
1963	1963-01-01	1963-12-22
1964	1964-01-19	1964-10-02
1965	1965-02-28	1965-11-30
1966	1966-03-03	1966-11-11
1967	1967-02-16	1967-09-21
1968	1968-03-17	1968-11-18
1969	1969-02-10	1969-12-28
1970	1970-03-02	1970-12-24
1971	1971-01-24	1971-07-11
1972	1972-03-24	1972-11-15
1973	1973-02-06	1973-11-25
1974	1974-03-06	1974-12-10
1975	1975-03-12	1975-11-09
1976	1976-03-16	1976-10-29
1977	1977-03-05	1977-11-01
1978	1978-02-28	1978-09-02
1979	1979-03-15	1979-10-22
1980	1980-03-07	1980-10-19
1983	1983-03-01	1983-07-29
1984	1984-03-18	1984-07-09
1985	1985-03-19	1985-10-10
1986	1986-03-10	1986-11-22
1987	1987-03-23	1987-10-07
1991	1991-03-10	1991-09-03
1992	1992-06-15	1992-09-21
1993	1993-02-18	1993-11-06
1994	1994-02-06	1994-12-18
1995	1995-03-23	1995-11-13
1996	1996-03-18	1996-11-08
1997	1997-03-03	1997-12-04
2000	2000-03-20	2000-09-25
2001	2001-03-13	2001-11-25
2002	2002-03-17	2002-11-11
2003	2003-02-11	2003-10-13
2004	2004-03-02	2004-10-22
2005	2005-03-21	2005-11-16
2006	2006-03-14	2006-07-20
2007	2007-04-23	2007-06-23
2008	2008-02-18	2008-06-28
2009	2009-02-27	2009-10-24
2010	2010-03-27	2010-10-25
2011	2011-03-04	2011-12-07
2012	2012-03-04	2012-10-26

Every Fixed Threshold

Fixed thresholds at Valle de Santiago
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	67	250	1930	79
35 C (95 F): Days	53	139	1930	6
40 C (104 F): Days	5	32	1930	4
45 C (113 F): Days	1	2	1930	2
90 F (32.2 C): Days	66	188	1930	36
100 F (37.8 C): Days	18	74	1930	1
110 F (43.3 C): Days	1	4	1930	4
0 C (32 F): Frost days (min	35	54	1970	2
20 C (68 F): Tropical nights (min	12	132	1951	3
10 mm (0.39 in): Days with 10 mm or more rain	71	51	1958	16
25 mm (0.98 in): Days with 25 mm or more rain	67	13	2010	2
50 mm (1.97 in): Days with 50 mm or more rain	32	3	2010	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1970	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1923.

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Data for Valle de Santiago 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).

Valle de Santiago Threshold Days by Year (MXN00011079)

Key Facts for Valle de Santiago Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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