San Matías Petacaltepec, Mexico

Full City Profile

696 Population 3/sq mi density

4,429 ft Elevation 1,350 meters

72°F Avg Temperature 22°C

San Matías Petacaltepec has a warm climate with an average annual temperature of 72°F (22°C). Winters average 70°F in January while summers reach 73°F in July. The area gets 274 sunny days per year. Annual precipitation totals 34.4 inches. The area receives 0.0 inches of snow annually.

Temperature

70°F Jan (21°C) 73°F Jul (23°C)

Annual Average	72.2°F
	34% above US avg
January Average	70°F (21°C)
July Average	73°F (23°C)
Sunny Days	274 days/yr

Geography

Elevation	4,429 ft (1,350 m)
Area	273.8 sq mi (709.1 km²)
Population Density	3/sq mi
Coordinates	16.1742°N, 95.8882°W
Timezone	America/Mexico_City

Precipitation & Snow

Annual Rainfall 34.4"

9% below US avg

Snowfall 0.0"

Wettest Month (Jun) 7.56"

Driest Month (Jan) 0.12"

Air Quality

Earthquake History

1,987 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.5. Most recent: M4.1 on Aug 28, 2025.

Sep 30, 1999	15 km W of San Baltazar Loxicha, Mexico	M7.5	112 km
Jun 23, 2020	9 km SE of Santa María Xadani, Mexico	M7.4	35 km
Feb 3, 1998	2 km E of Benito Juárez, Mexico	M6.4	55 km
Sep 23, 2017	7 km NNE of Ixtepec, Mexico	M6.1	100 km
Aug 7, 2004	17 km WNW of Palomares, Mexico	M5.9	134 km
Aug 18, 2004	8 km E of Juchitán de Zaragoza, Mexico	M5.9	105 km
Aug 2, 2025	4 km S of Xagacía, Mexico	M5.8	112 km
May 21, 2014	2 km SSW of Palomares, Mexico	M5.8	137 km
Feb 9, 2010	8 km E of Santa María Colotepec, Mexico	M5.7	109 km
Aug 28, 1994	6 km N of San Pedro Ocotepec, Mexico	M5.6	93 km
Sep 16, 2017	11 km SSE of Salina Cruz, Mexico	M5.6	81 km
Jan 21, 2019	72 km S of San Francisco del Mar Viejo, Mexico	M5.6	140 km
Jun 7, 2002	4 km N of Santa Catarina Loxicha, Mexico	M5.6	92 km
Apr 10, 2016	5 km ESE of Santa Cruz Ozolotepec, Mexico	M5.5	42 km
Mar 6, 2022	3 km S of Zacatal, Mexico	M5.5	110 km
Apr 28, 2015	4 km NNE of Paso Real de Sarabia, Mexico	M5.5	138 km
May 25, 2022	12 km WNW of Santa María Zapotitlán, Mexico	M5.5	7 km
Mar 5, 2025	60 km SSE of Santa Gertrudis Miramar, Mexico	M5.5	106 km
Jan 13, 2004	15 km SSW of San Jerónimo Coatlán, Mexico	M5.5	112 km
Jul 24, 2020	26 km SSE of Crucecita, Mexico	M5.5	69 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

10 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4. Most recent: Erick (2025).

Year	Name	Category	Closest
2025	Erick	Category 4	169 km
2024	John	Category 3	289 km
2022	Agatha	Category 2	63 km
2013	Barbara	Category 1	188 km
2012	Carlotta	Category 2	108 km
2005	Stan	Category 1	289 km
1998	Lester	Category 2	186 km
1997	Pauline	Category 4	107 km
1997	Rick	Category 1	33 km
1996	Douglas	Category 1	298 km

Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

7 tsunamis recorded within 500 km. Highest wave on record: 1.6 m (5 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
2020	OFF COAST OF OAXACA	Earthquake	1.6 m	10	35 km
1965	MEXICO	Earthquake	0.4 m	6	17 km
2022	S. MEXICO	Earthquake	0.2 m	—	8 km
1928	S. MEXICO	Earthquake	0.2 m	4	124 km
2025	OFF COAST OF OAXACA	Earthquake	0.2 m	—	99 km
1928	MEXICO	Earthquake	—	—	61 km
1870	PUERTO ANGEL, MEXICO	Earthquake	—	24	97 km

Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	70°F (21°C)	0.1 in	Driest
February	71°F (22°C)	0.3 in
March	73°F (23°C)	0.3 in
April	74°F (24°C)	0.8 in
May	75°F (24°C)	3.2 in	Warmest
June	74°F (23°C)	7.6 in	Wettest
July	73°F (23°C)	5.7 in
August	73°F (23°C)	6.3 in
September	72°F (22°C)	6.9 in
October	72°F (22°C)	2.6 in
November	71°F (22°C)	0.5 in
December	70°F (21°C)	0.2 in	Coldest

San Matías Petacaltepec has a seasonal temperature swing of 5°F / from 70°F in December to 75°F in May. Total annual precipitation is 34.4 inches, with June being the wettest month (7.6") and January the driest (0.1").

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