San Agustín Chayuco, Mexico

Full City Profile

2,004 Population 90/sq mi density

850 ft Elevation 259 meters

81°F Avg Temperature 27°C

San Agustín Chayuco 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	850 ft (259 m)
Area	22.3 sq mi (57.7 km²)
Population Density	90/sq mi
Coordinates	16.4025°N, 97.8080°W
Timezone	America/Mexico_City

Precipitation & Snow

Annual Rainfall 47.6"

25% above US avg

Snowfall 0.0"

Wettest Month (Sep) 13.19"

Driest Month (Mar) 0.16"

Air Quality

Earthquake History

2,502 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	101 km
Sep 14, 1995	5 km N of Azoyú, Mexico	M7.4	94 km
Mar 20, 2012	6 km E of Santiago Llano Grande, Mexico	M7.4	46 km
Feb 16, 2018	4 km S of Pinotepa de Don Luis, Mexico	M7.2	18 km
Feb 25, 1996	24 km SSW of Santa María Chico Ometepec, Mexico	M7.1	55 km
Jul 19, 1997	4 km ENE of El Ciruelo, Mexico	M6.9	44 km
Oct 24, 1993	1 km ENE of Jolotichán, Mexico	M6.7	105 km
Jun 30, 2010	2 km ESE of San Agustín Chayuco, Mexico	M6.3	3 km
Feb 25, 1996	7 km SE of Santa María Chico Ometepec, Mexico	M6.2	34 km
May 15, 1993	1 km ENE of Ometepec, Mexico	M6.1	71 km
Apr 2, 2012	7 km SSW of Santa María Cortijo, Mexico	M6.0	54 km
Nov 13, 1993	18 km SW of Montecillos, Mexico	M6.0	90 km
May 15, 1993	2 km SSW of Ometepec, Mexico	M6.0	72 km
Dec 16, 1997	46 km SSW of Barra de Tecoanapa, Mexico	M6.0	116 km
Feb 19, 2018	4 km SSE of Santiago Tetepec, Mexico	M5.9	15 km
Jun 14, 2004	0 km W of Santa Catarina Mechoacán, Mexico	M5.9	8 km
Mar 19, 1996	21 km WSW of Bajos de Chila, Mexico	M5.9	82 km
May 8, 2016	3 km WNW of San Agustín Chayuco, Mexico	M5.8	4 km
Apr 1, 1991	11 km SW of Corralero, Mexico	M5.8	56 km
Mar 10, 2014	26 km SW of Corralero, Mexico	M5.8	69 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	54 km
2024	John	Category 3	101 km
2023	Otis	Category 5	205 km
2022	Agatha	Category 2	148 km
2017	Max	Category 1	121 km
2015	Carlos	Category 1	260 km
2012	Carlotta	Category 2	15 km
2011	Hilary	Category 3	178 km
2010	Karl	Category 1	298 km
2006	John	Category 3	272 km
1998	Lester	Category 2	214 km
1997	Pauline	Category 4	50 km
1997	Rick	Category 2	75 km
1996	Douglas	Category 1	294 km
1996	Boris	Category 1	262 km
1993	Calvin	Category 2	299 km
1989	Cosme	Category 1	138 km

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

Tsunami History

8 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	75 km
1957	S. MEXICO	Earthquake	1.3 m	65	138 km
1995	S. MEXICO	Earthquake	0.4 m	3	94 km
1950	S. MEXICO	Earthquake	0.3 m	—	45 km
2012	S. MEXICO	Earthquake	0.2 m	2	46 km
1928	S. MEXICO	Earthquake	0.2 m	4	92 km
1996	MEXICO	Earthquake	0.1 m	—	55 km
1968	ACAPULCO	Earthquake	—	18	15 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	72°F (22°C)	0.2 in	Coldest
March	75°F (24°C)	0.2 in	Driest
April	77°F (25°C)	0.6 in
May	79°F (26°C)	4.0 in
June	77°F (25°C)	11.6 in
July	81°F (27°C)	10.4 in	Warmest
August	77°F (25°C)	12.0 in
September	76°F (25°C)	13.2 in	Wettest
October	76°F (24°C)	5.6 in
November	74°F (23°C)	0.9 in
December	72°F (22°C)	0.2 in

San Agustín Chayuco has a seasonal temperature swing of 9°F / from 72°F in February to 81°F in July. Total annual precipitation is 59.2 inches, with September being the wettest month (13.2") and March the driest (0.2").

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