San Antonio Tepetlapa, Mexico

Full City Profile

2,621 Population 62/sq mi density

1,407 ft Elevation 429 meters

81°F Avg Temperature 27°C

San Antonio Tepetlapa has a warm climate with an average annual temperature of 81°F (27°C). Winters average 79°F in January while summers reach 81°F in July. The area gets 358 sunny days per year. Annual precipitation totals 47.6 inches. The area receives 0.0 inches of snow annually.

Temperature

79°F Jan (26°C) 81°F Jul (27°C)

Annual Average	80.9°F
	50% above US avg
January Average	79°F (26°C)
July Average	81°F (27°C)
Sunny Days	358 days/yr

Geography

Elevation	1,407 ft (429 m)
Area	42.3 sq mi (109.6 km²)
Population Density	62/sq mi
Coordinates	16.5431°N, 98.0661°W
Timezone	America/Mexico_City

Precipitation & Snow

Annual Rainfall 47.6"

25% above US avg

Snowfall 0.0"

Wettest Month (Sep) 14.84"

Driest Month (Feb) 0.08"

Air Quality

Earthquake History

2,588 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.5. Most recent: M4.4 on Aug 21, 2025.

Sep 30, 1999	15 km W of San Baltazar Loxicha, Mexico	M7.5	133 km
Sep 14, 1995	5 km N of Azoyú, Mexico	M7.4	62 km
Mar 20, 2012	6 km E of Santiago Llano Grande, Mexico	M7.4	18 km
Feb 16, 2018	4 km S of Pinotepa de Don Luis, Mexico	M7.2	20 km
Feb 25, 1996	24 km SSW of Santa María Chico Ometepec, Mexico	M7.1	63 km
Jul 19, 1997	4 km ENE of El Ciruelo, Mexico	M6.9	28 km
Oct 24, 1993	1 km ENE of Jolotichán, Mexico	M6.7	73 km
Jun 30, 2010	2 km ESE of San Agustín Chayuco, Mexico	M6.3	34 km
Feb 25, 1996	7 km SE of Santa María Chico Ometepec, Mexico	M6.2	49 km
May 15, 1993	1 km ENE of Ometepec, Mexico	M6.1	39 km
Apr 2, 2012	7 km SSW of Santa María Cortijo, Mexico	M6.0	31 km
Nov 13, 1993	18 km SW of Montecillos, Mexico	M6.0	67 km
May 15, 1993	2 km SSW of Ometepec, Mexico	M6.0	40 km
Dec 16, 1997	46 km SSW of Barra de Tecoanapa, Mexico	M6.0	97 km
Jun 14, 2004	0 km W of Santa Catarina Mechoacán, Mexico	M5.9	33 km
Mar 19, 1996	21 km WSW of Bajos de Chila, Mexico	M5.9	112 km
Feb 19, 2018	4 km SSE of Santiago Tetepec, Mexico	M5.9	46 km
Apr 1, 1991	11 km SW of Corralero, Mexico	M5.8	47 km
May 8, 2016	3 km WNW of San Agustín Chayuco, Mexico	M5.8	28 km
Mar 10, 2014	26 km SW of Corralero, Mexico	M5.8	63 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

17 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 5. Most recent: Erick (2025).

Year	Name	Category	Closest
2025	Erick	Category 4	37 km
2024	John	Category 3	89 km
2023	Otis	Category 5	181 km
2022	Agatha	Category 2	176 km
2017	Max	Category 1	91 km
2015	Carlos	Category 1	241 km
2012	Carlotta	Category 2	18 km
2011	Hilary	Category 3	180 km
2010	Karl	Category 2	294 km
2006	John	Category 3	276 km
1998	Lester	Category 2	235 km
1997	Pauline	Category 4	30 km
1997	Rick	Category 2	95 km
1996	Boris	Category 1	239 km
1993	Calvin	Category 2	280 km
1989	Cosme	Category 1	107 km
1984	Odile	Category 2	281 km

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

Tsunami History

10 tsunamis recorded within 500 km. Highest wave on record: 4.0 m (13 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1787	SAN MARCOS	Earthquake	4.0 m	11	47 km
1754	S. MEXICO	Earthquake	4.0 m	—	124 km
1957	S. MEXICO	Earthquake	1.3 m	65	110 km
1995	S. MEXICO	Earthquake	0.4 m	3	62 km
1950	S. MEXICO	Earthquake	0.3 m	—	18 km
2012	S. MEXICO	Earthquake	0.2 m	2	18 km
1928	S. MEXICO	Earthquake	0.2 m	4	124 km
1996	MEXICO	Earthquake	0.1 m	—	63 km
2026	ACAPULCO	Earthquake	0.1 m	2	138 km
1968	ACAPULCO	Earthquake	—	18	35 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	79°F (26°C)	0.3 in
February	75°F (24°C)	0.1 in	Coldest, Driest
March	78°F (25°C)	0.1 in
April	80°F (27°C)	0.2 in
May	82°F (28°C)	3.3 in	Warmest
June	80°F (27°C)	11.2 in
July	81°F (27°C)	11.3 in
August	79°F (26°C)	12.2 in
September	78°F (26°C)	14.8 in	Wettest
October	78°F (26°C)	6.2 in
November	77°F (25°C)	1.0 in
December	75°F (24°C)	0.2 in

San Antonio Tepetlapa has a seasonal temperature swing of 7°F / from 75°F in February to 82°F in May. Total annual precipitation is 61.0 inches, with September being the wettest month (14.8") and February the driest (0.1").

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