Pericos Threshold Days by Year (MXN00025071)

14 fixed thresholds counted per year at Pericos (MXN00025071): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Pericos Thresholds

Pericos: days with 10 mm (0.39 in) or more of precipitation in 38 years, most in 1984 with 29.
Pericos: days with 25 mm (0.98 in) or more of precipitation in 38 years, most in 1963 with 15.
Pericos: days with a maximum temperature at or above 30 C (86 F) in 37 years, most in 1996 with 336.
Pericos: days with a maximum temperature at or above 35 C (95 F) in 37 years, most in 1993 with 224.
14 fixed thresholds have at least one qualifying day at Pericos.

Days at or above 30 C (86 F)

37 years with a qualifying day

Days per year at Pericos with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 336 in 1996.

Days at or above 30 C (86 F) per year at Pericos
Year	Days	Decade average
1962	308	300.8
1963	295	300.8
1964	294	300.8
1965	294	300.8
1966	311	300.8
1967	320	300.8
1968	279	300.8
1969	305	300.8
1971	292	295.3
1972	301	295.3
1975	291	295.3
1976	301	295.3
1977	314	295.3
1978	279	295.3
1979	289	295.3
1980	309	273.3
1981	294	273.3
1982	272	273.3
1983	254	273.3
1984	256	273.3
1985	254	273.3
1988	274	273.3
1993	302	303.3
1995	302	303.3
1996	336	303.3
1997	278	303.3
1998	277	303.3
1999	325	303.3
2000	307	287.9
2001	288	287.9
2002	302	287.9
2003	300	287.9
2004	252	287.9
2005	295	287.9
2006	305	287.9
2007	246	287.9
2008	296	287.9

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

First to last qualifying date each year at Pericos
Year	First date	Last date
1962	1962-01-01	1962-12-31
1963	1963-01-01	1963-12-29
1964	1964-01-01	1964-12-22
1965	1965-01-03	1965-12-31
1966	1966-01-06	1966-12-25
1967	1967-01-04	1967-12-24
1968	1968-01-06	1968-12-24
1969	1969-01-02	1969-12-26
1971	1971-01-10	1971-12-26
1972	1972-01-16	1972-12-26
1975	1975-01-04	1975-12-22
1976	1976-01-07	1976-12-28
1977	1977-01-17	1977-12-30
1978	1978-01-02	1978-12-18
1979	1979-01-02	1979-12-29
1980	1980-01-01	1980-12-31
1981	1981-01-01	1981-12-21
1982	1982-01-09	1982-12-20
1983	1983-01-05	1983-12-31
1984	1984-01-01	1984-12-25
1985	1985-01-05	1985-12-31
1988	1988-01-02	1988-12-16
1993	1993-01-05	1993-12-31
1995	1995-01-10	1995-12-31
1996	1996-01-01	1996-12-30
1997	1997-01-01	1997-12-18
1998	1998-01-01	1998-12-30
1999	1999-01-04	1999-12-31
2000	2000-01-01	2000-12-24
2001	2001-01-03	2001-12-21
2002	2002-01-07	2002-12-28
2003	2003-01-02	2003-12-31
2004	2004-01-01	2004-12-31
2005	2005-01-01	2005-12-28
2006	2006-01-01	2006-12-26
2007	2007-01-08	2007-12-20
2008	2008-01-02	2008-12-31

Every Fixed Threshold

Fixed thresholds at Pericos
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	37	336	1996	296
35 C (95 F): Days	37	224	1993	155
40 C (104 F): Days	31	33	1965	3
45 C (113 F): Days	1	1	1969	1
90 F (32.2 C): Days	37	299	1996	231
100 F (37.8 C): Days	37	109	1993	30
110 F (43.3 C): Days	6	1	1962	1
20 C (68 F): Tropical nights (min	37	153	1963	137
25 C (77 F): Days with min	37	61	2005	7
10 mm (0.39 in): Days with 10 mm or more rain	38	29	1984	21
25 mm (0.98 in): Days with 25 mm or more rain	38	15	1963	9
50 mm (1.97 in): Days with 50 mm or more rain	34	7	2004	2
100 mm (3.94 in): Days with 100 mm or more rain	14	2	1981	1
200 mm (7.87 in): Days with 200 mm or more rain	2	1	1981	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1962.

Download the Data

Data for Pericos 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).

Pericos Threshold Days by Year (MXN00025071)

Key Facts for Pericos Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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