Santo Domingo Petapa, Mexico

Full City Profile

5,429 Population 33/sq mi density

945 ft Elevation 288 meters

77°F Avg Temperature 25°C

Santo Domingo Petapa has a warm climate with an average annual temperature of 77°F (25°C). Winters average 73°F in January while summers reach 79°F in July. The area gets 260 sunny days per year. Annual precipitation totals 42.0 inches. The area receives 0.0 inches of snow annually.

Temperature

73°F Jan (23°C) 79°F Jul (26°C)

Annual Average	77.3°F
	43% above US avg
January Average	73°F (23°C)
July Average	79°F (26°C)
Sunny Days	260 days/yr

Geography

Elevation	945 ft (288 m)
Area	163.4 sq mi (423.2 km²)
Population Density	33/sq mi
Coordinates	16.8182°N, 95.1396°W
Timezone	America/Mexico_City

Precipitation & Snow

Annual Rainfall 42.0"

11% above US avg

Snowfall 0.0"

Wettest Month (Sep) 8.86"

Driest Month (Mar) 0.47"

Air Quality

Earthquake History

2,312 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.4. Most recent: M4.0 on Aug 20, 2025.

Jun 23, 2020	9 km SE of Santa María Xadani, Mexico	M7.4	139 km
Apr 7, 2011	7 km SW of Helio García Alfaro, Mexico	M6.6	96 km
Feb 12, 2008	9 km SSW of General Pascual Fentes, Mexico	M6.5	103 km
Jul 29, 2014	2 km SE of Santa Teresa, Mexico	M6.3	110 km
Sep 23, 2017	7 km NNE of Ixtepec, Mexico	M6.1	22 km
Jul 6, 2007	6 km N of Lázaro Cárdenas, Mexico	M6.1	133 km
Feb 25, 2011	3 km NNE of Aguilera, Mexico	M5.9	115 km
Aug 7, 2004	17 km WNW of Palomares, Mexico	M5.9	43 km
Jan 5, 2020	3 km W of Reforma de Pineda, Mexico	M5.9	83 km
Aug 18, 2004	8 km E of Juchitán de Zaragoza, Mexico	M5.9	48 km
May 21, 2014	2 km SSW of Palomares, Mexico	M5.8	34 km
Aug 2, 2025	4 km S of Xagacía, Mexico	M5.8	124 km
Jul 25, 1991	3 km WNW of Aguilera, Mexico	M5.7	112 km
May 20, 2017	21 km SE of La Horqueta (Poblado Doce), Mexico	M5.7	115 km
Mar 2, 2023	Oaxaca, Mexico	M5.7	100 km
Sep 16, 2017	11 km SSE of Salina Cruz, Mexico	M5.6	81 km
Mar 12, 1994	30 km NNE of Santo Domingo Zanatepec, Mexico	M5.6	93 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	78 km
Mar 6, 2022	3 km S of Zacatal, Mexico	M5.5	12 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year	Name	Category	Closest
2025	Erick	Category 4	276 km
2022	Agatha	Category 2	169 km
2013	Barbara	Category 1	149 km
2012	Carlotta	Category 2	215 km
2010	Karl	Category 3	291 km
2005	Stan	Category 1	200 km
1998	Lester	Category 2	258 km
1997	Pauline	Category 4	210 km
1997	Rick	Category 1	137 km

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

Tsunami History

4 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	139 km
1965	MEXICO	Earthquake	0.4 m	6	91 km
2022	S. MEXICO	Earthquake	0.2 m	—	113 km
2025	OFF COAST OF OAXACA	Earthquake	0.2 m	—	115 km

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

Nearby Volcanoes

1 volcano within 200 km. Closest: San Martin (195 km).

Name	Type	Elevation	Last Eruption	Distance
San Martin	Shield	1,650 m (5,413 ft)	1796	195 km

Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	73°F (23°C)	0.8 in	Coldest
February	74°F (23°C)	0.6 in
March	77°F (25°C)	0.5 in	Driest
April	80°F (27°C)	0.5 in
May	82°F (28°C)	1.9 in	Warmest
June	80°F (27°C)	7.0 in
July	79°F (26°C)	7.9 in
August	79°F (26°C)	7.7 in
September	78°F (26°C)	8.9 in	Wettest
October	77°F (25°C)	3.9 in
November	75°F (24°C)	1.4 in
December	73°F (23°C)	1.0 in

Santo Domingo Petapa has a seasonal temperature swing of 9°F / from 73°F in January to 82°F in May. Total annual precipitation is 42.0 inches, with September being the wettest month (8.9") and March the driest (0.5").

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