Las Perlas Threshold Days by Year (MXN00030090)

13 fixed thresholds counted per year at Las Perlas (MXN00030090): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Las Perlas Thresholds

Las Perlas: days with a maximum temperature at or above 30 C (86 F) in 43 years, most in 1991 with 284.
Las Perlas: days with a maximum temperature at or above 35 C (95 F) in 43 years, most in 1991 with 156.
Las Perlas: days with a maximum temperature at or above 90 F (32.2 C) in 43 years, most in 1991 with 240.
Las Perlas: nights with a minimum temperature at or above 20 C (68 F) in 43 years, most in 1994 with 295.
13 fixed thresholds have at least one qualifying day at Las Perlas.

Days at or above 30 C (86 F)

43 years with a qualifying day

Days per year at Las Perlas with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 284 in 1991.

Days at or above 30 C (86 F) per year at Las Perlas
Year	Days	Decade average
1963	230	231.1
1964	246	231.1
1965	250	231.1
1966	224	231.1
1967	260	231.1
1968	207	231.1
1969	201	231.1
1970	193	235.4
1972	263	235.4
1973	256	235.4
1975	245	235.4
1976	224	235.4
1977	238	235.4
1978	235	235.4
1979	229	235.4
1980	239	262
1981	244	262
1982	267	262
1984	248	262
1985	283	262
1988	270	262
1989	283	262
1991	284	231.6
1992	209	231.6
1993	257	231.6
1994	262	231.6
1995	217	231.6
1996	201	231.6
1997	221	231.6
1998	219	231.6
1999	214	231.6
2000	238	250.7
2001	254	250.7
2002	276	250.7
2003	281	250.7
2004	271	250.7
2005	247	250.7
2006	250	250.7
2007	243	250.7
2008	207	250.7
2009	240	250.7
2010	211	217
2011	223	217

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

First to last qualifying date each year at Las Perlas
Year	First date	Last date
1963	1963-01-02	1963-12-14
1964	1964-01-08	1964-12-30
1965	1965-01-23	1965-12-24
1966	1966-01-01	1966-12-28
1967	1967-01-01	1967-12-31
1968	1968-01-01	1968-12-28
1969	1969-01-09	1969-12-29
1970	1970-01-16	1970-12-30
1972	1972-01-01	1972-12-30
1973	1973-01-01	1973-12-31
1975	1975-01-08	1975-12-29
1976	1976-01-01	1976-12-31
1977	1977-01-09	1977-12-30
1978	1978-01-07	1978-12-31
1979	1979-01-07	1979-12-23
1980	1980-01-11	1980-12-09
1981	1981-01-27	1981-12-28
1982	1982-01-01	1982-12-25
1984	1984-01-09	1984-12-31
1985	1985-01-01	1985-12-31
1988	1988-01-05	1988-12-31
1989	1989-01-01	1989-12-31
1991	1991-01-01	1991-12-23
1992	1992-01-05	1992-12-31
1993	1993-01-01	1993-12-22
1994	1994-01-07	1994-12-07
1995	1995-01-06	1995-12-18
1996	1996-01-17	1996-12-07
1997	1997-01-04	1997-12-26
1998	1998-01-14	1998-12-07
1999	1999-01-01	1999-12-20
2000	2000-01-03	2000-12-17
2001	2001-01-07	2001-12-23
2002	2002-01-17	2002-12-30
2003	2003-01-22	2003-12-28
2004	2004-01-04	2004-12-22
2005	2005-01-05	2005-12-31
2006	2006-01-01	2006-12-30
2007	2007-01-05	2007-12-28
2008	2008-01-16	2008-12-28
2009	2009-01-04	2009-12-09
2010	2010-01-20	2010-12-31
2011	2011-01-01	2011-12-20

Every Fixed Threshold

Fixed thresholds at Las Perlas
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	43	284	1991	223
35 C (95 F): Days	43	156	1991	88
40 C (104 F): Days	18	14	2003	4
90 F (32.2 C): Days	43	240	1991	143
100 F (37.8 C): Days	42	59	1991	25
110 F (43.3 C): Days	1	1	2011	1
20 C (68 F): Tropical nights (min	43	295	1994	234
25 C (77 F): Days with min	43	50	1998	23
10 mm (0.39 in): Days with 10 mm or more rain	43	102	1972	57
25 mm (0.98 in): Days with 25 mm or more rain	43	50	1988	29
50 mm (1.97 in): Days with 50 mm or more rain	43	23	1978	9
100 mm (3.94 in): Days with 100 mm or more rain	40	8	2010	3
200 mm (7.87 in): Days with 200 mm or more rain	4	1	1968	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

Data for Las Perlas 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).

Las Perlas Threshold Days by Year (MXN00030090)

Key Facts for Las Perlas Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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