Bolaos Threshold Days by Year (MXN00014023)

13 fixed thresholds counted per year at Bolaos (MXN00014023): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bolaos Thresholds

Bolaos: days with 10 mm (0.39 in) or more of precipitation in 63 years, most in 1967 with 32.
Bolaos: days with 25 mm (0.98 in) or more of precipitation in 60 years, most in 1992 with 9.
Bolaos: days with a maximum temperature at or above 30 C (86 F) in 59 years, most in 1954 with 350.
Bolaos: days with a maximum temperature at or above 35 C (95 F) in 59 years, most in 1949 with 280.
13 fixed thresholds have at least one qualifying day at Bolaos.

Days at or above 30 C (86 F)

59 years with a qualifying day

Days per year at Bolaos with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 350 in 1954.

Days at or above 30 C (86 F) per year at Bolaos
Year	Days	Decade average
1949	323	323
1950	327	316
1951	344	316
1953	327	316
1954	350	316
1955	317	316
1956	309	316
1957	238	316
1960	252	273.6
1961	197	273.6
1962	247	273.6
1963	276	273.6
1965	311	273.6
1966	267	273.6
1967	295	273.6
1968	299	273.6
1969	318	273.6
1970	312	320.1
1971	333	320.1
1972	329	320.1
1973	314	320.1
1974	331	320.1
1975	310	320.1
1976	303	320.1
1977	323	320.1
1978	321	320.1
1979	325	320.1
1980	304	292.8
1981	287	292.8
1982	311	292.8
1983	269	292.8
1984	294	292.8
1985	285	292.8
1986	300	292.8
1987	271	292.8
1988	304	292.8
1989	303	292.8
1990	245	306.5
1991	273	306.5
1992	242	306.5
1993	323	306.5
1994	344	306.5
1995	330	306.5
1996	322	306.5
1997	329	306.5
1998	317	306.5
1999	340	306.5
2000	350	314.7
2001	290	314.7
2002	300	314.7
2003	315	314.7
2004	310	314.7
2005	336	314.7
2006	306	314.7
2007	325	314.7
2008	302	314.7
2009	313	314.7
2010	301	324.5
2011	348	324.5

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

First to last qualifying date each year at Bolaos
Year	First date	Last date
1949	1949-01-01	1949-12-31
1950	1950-01-01	1950-11-30
1951	1951-01-02	1951-12-30
1953	1953-01-05	1953-12-25
1954	1954-01-01	1954-12-30
1955	1955-01-01	1955-12-31
1956	1956-01-01	1956-12-31
1957	1957-01-01	1957-10-12
1960	1960-01-03	1960-12-06
1961	1961-01-06	1961-12-26
1962	1962-01-01	1962-12-31
1963	1963-01-01	1963-11-30
1965	1965-01-01	1965-12-31
1966	1966-01-01	1966-12-29
1967	1967-01-07	1967-12-30
1968	1968-01-01	1968-12-30
1969	1969-01-04	1969-12-27
1970	1970-01-09	1970-12-31
1971	1971-01-01	1971-12-31
1972	1972-01-01	1972-12-28
1973	1973-01-04	1973-12-31
1974	1974-01-01	1974-12-25
1975	1975-01-03	1975-12-23
1976	1976-01-02	1976-12-28
1977	1977-01-04	1977-12-30
1978	1978-01-01	1978-12-31
1979	1979-01-01	1979-12-31
1980	1980-01-08	1980-12-31
1981	1981-01-01	1981-12-31
1982	1982-01-01	1982-12-19
1983	1983-01-30	1983-12-29
1984	1984-01-06	1984-12-29
1985	1985-01-24	1985-12-31
1986	1986-01-01	1986-12-18
1987	1987-01-04	1987-12-26
1988	1988-01-06	1988-12-25
1989	1989-01-01	1989-12-23
1990	1990-01-03	1990-12-31
1991	1991-01-01	1991-12-18
1992	1992-02-18	1992-12-31
1993	1993-01-02	1993-12-31
1994	1994-01-01	1994-12-31
1995	1995-01-01	1995-12-31
1996	1996-01-04	1996-12-31
1997	1997-01-01	1997-12-31
1998	1998-01-01	1998-12-31
1999	1999-01-01	1999-12-31
2000	2000-01-01	2000-12-25
2001	2001-01-04	2001-12-22
2002	2002-01-07	2002-12-31
2003	2003-01-01	2003-12-23
2004	2004-01-02	2004-12-31
2005	2005-01-01	2005-12-31
2006	2006-01-02	2006-12-12
2007	2007-01-07	2007-12-31
2008	2008-02-01	2008-12-31
2009	2009-01-01	2009-11-30
2010	2010-01-01	2010-12-30
2011	2011-01-02	2011-12-31

Every Fixed Threshold

Fixed thresholds at Bolaos
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	59	350	1954	348
35 C (95 F): Days	59	280	1949	242
40 C (104 F): Days	59	175	1949	107
45 C (113 F): Days	10	42	1949	1
90 F (32.2 C): Days	59	311	1949	300
100 F (37.8 C): Days	59	210	1949	163
110 F (43.3 C): Days	27	60	1949	4
120 F (48.9 C): Days	1	4	1949	4
20 C (68 F): Tropical nights (min	52	136	1950	69
25 C (77 F): Days with min	19	18	1957	1
10 mm (0.39 in): Days with 10 mm or more rain	63	32	1967	17
25 mm (0.98 in): Days with 25 mm or more rain	60	9	1992	5
50 mm (1.97 in): Days with 50 mm or more rain	22	3	1987	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

Data for Bolaos 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).

Bolaos Threshold Days by Year (MXN00014023)

Key Facts for Bolaos Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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