San Pedro Acatlán Grande, Mexico

Full City Profile

629 Population 1/sq mi density

2,224 ft Elevation 678 meters

74°F Avg Temperature 23°C

San Pedro Acatlán Grande has a warm climate with an average annual temperature of 74°F (23°C). Winters average 70°F in January while summers reach 75°F in July. The area gets 202 sunny days per year. Annual precipitation totals 79.0 inches. The area receives 0.0 inches of snow annually.

Temperature

70°F Jan (21°C) 75°F Jul (24°C)

Annual Average	73.8°F
	37% above US avg
January Average	70°F (21°C)
July Average	75°F (24°C)
Sunny Days	202 days/yr

Geography

Elevation	2,224 ft (678 m)
Area	447.9 sq mi (1,160.2 km²)
Population Density	1/sq mi
Coordinates	17.0503°N, 95.5200°W
Timezone	America/Mexico_City

Precipitation & Snow

Annual Rainfall 79.0"

108% above US avg

Snowfall 0.0"

Wettest Month (Jul) 16.30"

Driest Month (Mar) 1.26"

Air Quality

Earthquake History

1,836 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	140 km
Apr 7, 2011	7 km SW of Helio García Alfaro, Mexico	M6.6	127 km
Jul 29, 2014	2 km SE of Santa Teresa, Mexico	M6.3	72 km
Sep 23, 2017	7 km NNE of Ixtepec, Mexico	M6.1	67 km
Feb 25, 2011	3 km NNE of Aguilera, Mexico	M5.9	104 km
Jan 30, 2002	5 km SSW of Tuxtilla, Mexico	M5.9	134 km
Jan 5, 2020	3 km W of Reforma de Pineda, Mexico	M5.9	131 km
Aug 18, 2004	8 km E of Juchitán de Zaragoza, Mexico	M5.9	93 km
Aug 7, 2004	17 km WNW of Palomares, Mexico	M5.9	36 km
May 21, 2014	2 km SSW of Palomares, Mexico	M5.8	48 km
Aug 2, 2025	4 km S of Xagacía, Mexico	M5.8	79 km
Mar 2, 2023	Oaxaca, Mexico	M5.7	148 km
Jul 25, 1991	3 km WNW of Aguilera, Mexico	M5.7	99 km
Mar 3, 2022	Veracruz, Mexico	M5.7	129 km
Sep 16, 2017	11 km SSE of Salina Cruz, Mexico	M5.6	114 km
Mar 12, 1994	30 km NNE of Santo Domingo Zanatepec, Mexico	M5.6	137 km
Aug 28, 1994	6 km N of San Pedro Ocotepec, Mexico	M5.6	35 km
Mar 6, 2022	3 km S of Zacatal, Mexico	M5.5	37 km
Oct 14, 2017	12 km E of San Mateo del Mar, Mexico	M5.5	115 km
May 25, 2022	12 km WNW of Santa María Zapotitlán, Mexico	M5.5	109 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	266 km
2022	Agatha	Category 2	159 km
2013	Barbara	Category 1	197 km
2012	Carlotta	Category 2	203 km
2010	Karl	Category 3	246 km
2005	Stan	Category 1	184 km
1998	Lester	Category 2	284 km
1997	Pauline	Category 4	210 km
1997	Rick	Category 1	138 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	140 km
1965	MEXICO	Earthquake	0.4 m	6	89 km
2022	S. MEXICO	Earthquake	0.2 m	—	109 km
2025	OFF COAST OF OAXACA	Earthquake	0.2 m	—	149 km

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

Nearby Volcanoes

1 volcano within 200 km. Closest: San Martin (172 km).

Name	Type	Elevation	Last Eruption	Distance
San Martin	Shield	1,650 m (5,413 ft)	1796	172 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	70°F (21°C)	2.2 in	Coldest
February	71°F (21°C)	1.9 in
March	73°F (23°C)	1.3 in	Driest
April	76°F (25°C)	1.3 in
May	78°F (26°C)	3.2 in	Warmest
June	77°F (25°C)	11.1 in
July	75°F (24°C)	16.3 in	Wettest
August	75°F (24°C)	14.5 in
September	75°F (24°C)	12.4 in
October	74°F (23°C)	7.8 in
November	72°F (22°C)	3.9 in
December	70°F (21°C)	3.2 in

San Pedro Acatlán Grande has a seasonal temperature swing of 8°F / from 70°F in January to 78°F in May. Total annual precipitation is 79.0 inches, with July being the wettest month (16.3") and March the driest (1.3").

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