Santa María Petatengo, Mexico

Full City Profile

630 Population 2/sq mi density

991 ft Elevation 302 meters

77°F Avg Temperature 25°C

Santa María Petatengo has a warm climate with an average annual temperature of 77°F (25°C). Winters average 75°F in January while summers reach 78°F in July. The area gets 246 sunny days per year. Annual precipitation totals 49.5 inches. The area receives 0.0 inches of snow annually.

Temperature

75°F Jan (24°C) 78°F Jul (26°C)

Annual Average	77.4°F
	43% above US avg
January Average	75°F (24°C)
July Average	78°F (26°C)
Sunny Days	246 days/yr

Geography

Elevation	991 ft (302 m)
Area	273.8 sq mi (709.1 km²)
Population Density	2/sq mi
Coordinates	15.9693°N, 96.0208°W
Timezone	America/Mexico_City

Precipitation & Snow

Annual Rainfall 49.5"

30% above US avg

Snowfall 0.0"

Wettest Month (Jun) 10.79"

Driest Month (Jan) 0.16"

Air Quality

Earthquake History

1,772 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	98 km
Jun 23, 2020	9 km SE of Santa María Xadani, Mexico	M7.4	9 km
Feb 3, 1998	2 km E of Benito Juárez, Mexico	M6.4	31 km
Sep 23, 2017	7 km NNE of Ixtepec, Mexico	M6.1	124 km
Mar 19, 1996	21 km WSW of Bajos de Chila, Mexico	M5.9	138 km
Aug 18, 2004	8 km E of Juchitán de Zaragoza, Mexico	M5.9	126 km
Aug 2, 2025	4 km S of Xagacía, Mexico	M5.8	130 km
Feb 9, 2010	8 km E of Santa María Colotepec, Mexico	M5.7	90 km
Jan 21, 2019	72 km S of San Francisco del Mar Viejo, Mexico	M5.6	144 km
Aug 28, 1994	6 km N of San Pedro Ocotepec, Mexico	M5.6	118 km
Jun 7, 2002	4 km N of Santa Catarina Loxicha, Mexico	M5.6	79 km
Sep 16, 2017	11 km SSE of Salina Cruz, Mexico	M5.6	95 km
May 25, 2022	12 km WNW of Santa María Zapotitlán, Mexico	M5.5	23 km
Mar 6, 2022	3 km S of Zacatal, Mexico	M5.5	137 km
Mar 5, 2025	60 km SSE of Santa Gertrudis Miramar, Mexico	M5.5	107 km
Apr 10, 2016	5 km ESE of Santa Cruz Ozolotepec, Mexico	M5.5	27 km
Jun 14, 2017	57 km SSW of La Barra de Colotepec, Mexico	M5.5	143 km
Jan 13, 2004	15 km SSW of San Jerónimo Coatlán, Mexico	M5.5	99 km
Jul 24, 2020	26 km SSE of Crucecita, Mexico	M5.5	45 km
Apr 11, 2018	57 km SSE of Salina Cruz, Mexico	M5.5	113 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year	Name	Category	Closest
2025	Erick	Category 4	144 km
2024	John	Category 3	269 km
2022	Agatha	Category 2	41 km
2022	Bonnie	Category 1	292 km
2013	Barbara	Category 1	197 km
2012	Carlotta	Category 2	84 km
2011	Hilary	Category 1	297 km
1998	Lester	Category 2	164 km
1997	Pauline	Category 4	80 km
1997	Rick	Category 1	8 km
1996	Douglas	Category 1	275 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	9 km
1965	MEXICO	Earthquake	0.4 m	6	44 km
2022	S. MEXICO	Earthquake	0.2 m	—	23 km
1928	S. MEXICO	Earthquake	0.2 m	4	109 km
2025	OFF COAST OF OAXACA	Earthquake	0.2 m	—	105 km
1928	MEXICO	Earthquake	—	—	34 km
1870	PUERTO ANGEL, MEXICO	Earthquake	—	24	70 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	75°F (24°C)	0.2 in	Coldest, Driest
February	76°F (24°C)	0.3 in
March	77°F (25°C)	0.5 in
April	79°F (26°C)	1.0 in
May	80°F (27°C)	4.0 in	Warmest
June	78°F (26°C)	10.8 in	Wettest
July	78°F (26°C)	6.9 in
August	78°F (26°C)	9.7 in
September	77°F (25°C)	10.8 in
October	77°F (25°C)	4.5 in
November	77°F (25°C)	0.7 in
December	75°F (24°C)	0.2 in

Santa María Petatengo has a seasonal temperature swing of 4°F / from 75°F in January to 80°F in May. Total annual precipitation is 49.5 inches, with June being the wettest month (10.8") and January the driest (0.2").

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