San Martín Itunyoso, Mexico

Full City Profile

1,276 Population 3/sq mi density

8,570 ft Elevation 2,612 meters

70°F Avg Temperature 21°C

San Martín Itunyoso enjoys a temperate climate with an average annual temperature of 70°F (21°C). Winters average 68°F in January while summers reach 70°F in July. The area gets 359 sunny days per year. Annual precipitation totals 107.9 inches. The area receives 0.0 inches of snow annually.

Temperature

68°F Jan (20°C) 70°F Jul (21°C)

Annual Average	70.3°F
	30% above US avg
January Average	68°F (20°C)
July Average	70°F (21°C)
Sunny Days	359 days/yr

Geography

Elevation	8,570 ft (2,612 m)
Area	381.9 sq mi (989.2 km²)
Population Density	3/sq mi
Coordinates	17.2281°N, 97.8808°W
Timezone	America/Mexico_City

Precipitation & Snow

Annual Rainfall 107.9"

184% above US avg

Snowfall 0.0"

Wettest Month (Jun) 8.07"

Driest Month (Dec) 0.28"

Air Quality

Earthquake History

1,751 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.4. Most recent: M4.4 on Aug 21, 2025.

Sep 14, 1995	5 km N of Azoyú, Mexico	M7.4	91 km
Mar 20, 2012	6 km E of Santiago Llano Grande, Mexico	M7.4	90 km
Feb 16, 2018	4 km S of Pinotepa de Don Luis, Mexico	M7.2	94 km
Feb 25, 1996	24 km SSW of Santa María Chico Ometepec, Mexico	M7.1	141 km
Jun 15, 1999	1 km SE of Texcala, Mexico	M7.0	137 km
Jul 19, 1997	4 km ENE of El Ciruelo, Mexico	M6.9	106 km
Oct 24, 1993	1 km ENE of Jolotichán, Mexico	M6.7	103 km
Jun 30, 2010	2 km ESE of San Agustín Chayuco, Mexico	M6.3	93 km
Feb 25, 1996	7 km SE of Santa María Chico Ometepec, Mexico	M6.2	123 km
May 15, 1993	1 km ENE of Ometepec, Mexico	M6.1	80 km
May 15, 1993	2 km SSW of Ometepec, Mexico	M6.0	84 km
Apr 2, 2012	7 km SSW of Santa María Cortijo, Mexico	M6.0	104 km
Nov 13, 1993	18 km SW of Montecillos, Mexico	M6.0	132 km
Jun 14, 2004	0 km W of Santa Catarina Mechoacán, Mexico	M5.9	99 km
Feb 19, 2018	4 km SSE of Santiago Tetepec, Mexico	M5.9	106 km
Feb 23, 1994	12 km W of San Juan de los Cues, Mexico	M5.8	118 km
Feb 17, 2018	8 km SE of José María Morelos, Mexico	M5.8	119 km
Apr 1, 1991	11 km SW of Corralero, Mexico	M5.8	125 km
Mar 10, 2014	26 km SW of Corralero, Mexico	M5.8	141 km
May 8, 2016	3 km WNW of San Agustín Chayuco, Mexico	M5.8	91 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year	Name	Category	Closest
2025	Erick	Category 4	107 km
2024	John	Category 3	129 km
2023	Otis	Category 5	212 km
2022	Agatha	Category 2	216 km
2017	Max	Category 1	123 km
2015	Carlos	Category 1	292 km
2012	Carlotta	Category 2	81 km
2011	Hilary	Category 3	251 km
2010	Karl	Category 3	218 km
1997	Pauline	Category 4	102 km
1997	Rick	Category 2	164 km
1996	Boris	Category 1	288 km
1989	Cosme	Category 1	124 km

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

Tsunami History

7 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	104 km
1754	S. MEXICO	Earthquake	4.0 m	—	148 km
1995	S. MEXICO	Earthquake	0.4 m	3	91 km
1950	S. MEXICO	Earthquake	0.3 m	—	91 km
2012	S. MEXICO	Earthquake	0.2 m	2	90 km
1996	MEXICO	Earthquake	0.1 m	—	141 km
1968	ACAPULCO	Earthquake	—	18	80 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	68°F (20°C)	0.4 in
February	60°F (15°C)	0.4 in
March	62°F (17°C)	0.4 in
April	65°F (18°C)	1.2 in
May	66°F (19°C)	3.6 in
June	64°F (18°C)	8.1 in	Wettest
July	70°F (21°C)	7.4 in	Warmest
August	63°F (17°C)	7.2 in
September	63°F (17°C)	7.1 in
October	62°F (17°C)	2.6 in
November	60°F (16°C)	0.7 in
December	58°F (15°C)	0.3 in	Coldest, Driest

San Martín Itunyoso has a seasonal temperature swing of 12°F / from 58°F in December to 70°F in July. Total annual precipitation is 39.4 inches, with June being the wettest month (8.1") and December the driest (0.3").

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