Ciudad Santos Threshold Days by Year (MXN00024053)

16 fixed thresholds counted per year at Ciudad Santos (MXN00024053): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ciudad Santos Thresholds

Ciudad Santos: days with a maximum temperature at or above 30 C (86 F) in 41 years, most in 1995 with 358.
Ciudad Santos: days with a maximum temperature at or above 35 C (95 F) in 41 years, most in 1995 with 271.
Ciudad Santos: days with a maximum temperature at or above 90 F (32.2 C) in 41 years, most in 1995 with 311.
Ciudad Santos: nights with a minimum temperature at or above 20 C (68 F) in 41 years, most in 1995 with 234.
16 fixed thresholds have at least one qualifying day at Ciudad Santos.

Days at or above 30 C (86 F)

41 years with a qualifying day

Days per year at Ciudad Santos with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 358 in 1995.

Days at or above 30 C (86 F) per year at Ciudad Santos
Year	Days	Decade average
1961	188	194.5
1962	214	194.5
1963	198	194.5
1965	208	194.5
1968	187	194.5
1969	172	194.5
1970	288	241.3
1971	306	241.3
1972	317	241.3
1973	287	241.3
1974	241	241.3
1975	215	241.3
1976	159	241.3
1977	200	241.3
1978	187	241.3
1979	213	241.3
1980	200	196.9
1981	193	196.9
1982	230	196.9
1983	202	196.9
1984	161	196.9
1985	204	196.9
1986	201	196.9
1987	176	196.9
1988	195	196.9
1989	207	196.9
1990	185	223
1995	358	223
1997	171	223
1998	207	223
1999	194	223
2001	17	190.8
2002	235	190.8
2003	235	190.8
2004	244	190.8
2005	208	190.8
2006	229	190.8
2007	160	190.8
2008	163	190.8
2009	226	190.8
2010	157	157

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

First to last qualifying date each year at Ciudad Santos
Year	First date	Last date
1961	1961-02-18	1961-12-12
1962	1962-01-22	1962-11-27
1963	1963-01-10	1963-11-08
1965	1965-01-01	1965-11-28
1968	1968-02-21	1968-12-27
1969	1969-01-08	1969-12-28
1970	1970-01-11	1970-12-31
1971	1971-01-01	1971-12-31
1972	1972-01-01	1972-12-30
1973	1973-01-01	1973-12-31
1974	1974-01-02	1974-11-19
1975	1975-01-26	1975-11-28
1976	1976-02-05	1976-10-19
1977	1977-02-23	1977-12-05
1978	1978-02-12	1978-12-20
1979	1979-01-20	1979-11-18
1980	1980-02-15	1980-11-13
1981	1981-02-10	1981-12-27
1982	1982-01-02	1982-12-24
1983	1983-01-31	1983-12-28
1984	1984-02-26	1984-11-08
1985	1985-01-30	1985-12-11
1986	1986-02-04	1986-11-23
1987	1987-01-16	1987-12-25
1988	1988-01-17	1988-11-26
1989	1989-01-06	1989-12-11
1990	1990-02-02	1990-12-21
1995	1995-01-01	1995-12-31
1997	1997-01-01	1997-12-31
1998	1998-01-02	1998-12-31
1999	1999-01-01	1999-11-19
2001	2001-06-02	2001-12-19
2002	2002-03-01	2002-11-24
2003	2003-03-12	2003-12-04
2004	2004-02-24	2004-12-15
2005	2005-01-06	2005-11-27
2006	2006-02-22	2006-10-28
2007	2007-02-25	2007-10-21
2008	2008-03-14	2008-11-25
2009	2009-02-10	2009-11-24
2010	2010-01-24	2010-11-29

Every Fixed Threshold

Fixed thresholds at Ciudad Santos
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	41	358	1995	157
35 C (95 F): Days	41	271	1995	24
40 C (104 F): Days	27	186	1995	12
45 C (113 F): Days	6	36	1995	14
90 F (32.2 C): Days	41	311	1995	57
100 F (37.8 C): Days	37	237	1995	7
110 F (43.3 C): Days	8	52	1995	1
120 F (48.9 C): Days	2	1	1971	1
0 C (32 F): Frost days (min	3	5	1989	1
20 C (68 F): Tropical nights (min	41	234	1995	139
25 C (77 F): Days with min	37	120	1995	21
10 mm (0.39 in): Days with 10 mm or more rain	41	75	1976	58
25 mm (0.98 in): Days with 25 mm or more rain	41	51	1998	25
50 mm (1.97 in): Days with 50 mm or more rain	40	25	1998	7
100 mm (3.94 in): Days with 100 mm or more rain	32	11	1976	3
200 mm (7.87 in): Days with 200 mm or more rain	10	2	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 1961.

Download the Data

Data for Ciudad Santos 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).

Ciudad Santos Threshold Days by Year (MXN00024053)

Key Facts for Ciudad Santos Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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