San Jerónimo Tlacochahuaya, Mexico

Full City Profile

2,302 Population 46/sq mi density

5,187 ft Elevation 1,581 meters

68°F Avg Temperature 20°C

San Jerónimo Tlacochahuaya enjoys a temperate climate with an average annual temperature of 68°F (20°C). Winters average 64°F in January while summers reach 68°F in July. The area gets 362 sunny days per year. Annual precipitation totals 22.1 inches. The area receives 0.0 inches of snow annually.

Temperature

64°F Jan (18°C) 68°F Jul (20°C)

Annual Average	68.1°F
	26% above US avg
January Average	64°F (18°C)
July Average	68°F (20°C)
Sunny Days	362 days/yr

Geography

Elevation	5,187 ft (1,581 m)
Area	50.2 sq mi (129.9 km²)
Population Density	46/sq mi
Coordinates	17.0083°N, 96.5817°W
Timezone	America/Mexico_City

Precipitation & Snow

Annual Rainfall 22.1"

42% below US avg

Snowfall 0.0"

Wettest Month (Jun) 6.06"

Driest Month (Jan) 0.20"

Air Quality

Earthquake History

1,028 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	112 km
Jun 23, 2020	9 km SE of Santa María Xadani, Mexico	M7.4	139 km
Feb 3, 1998	2 km E of Benito Juárez, Mexico	M6.4	129 km
Jul 29, 2014	2 km SE of Santa Teresa, Mexico	M6.3	124 km
Jun 30, 2010	2 km ESE of San Agustín Chayuco, Mexico	M6.3	145 km
Aug 7, 2004	17 km WNW of Palomares, Mexico	M5.9	146 km
Jan 30, 2002	5 km SSW of Tuxtilla, Mexico	M5.9	150 km
Feb 19, 2018	4 km SSE of Santiago Tetepec, Mexico	M5.9	147 km
May 8, 2016	3 km WNW of San Agustín Chayuco, Mexico	M5.8	150 km
Aug 2, 2025	4 km S of Xagacía, Mexico	M5.8	36 km
Feb 23, 1994	12 km W of San Juan de los Cues, Mexico	M5.8	132 km
Jun 27, 2016	8 km S of La Reforma, Mexico	M5.7	143 km
Feb 9, 2010	8 km E of Santa María Colotepec, Mexico	M5.7	128 km
Jun 7, 2002	4 km N of Santa Catarina Loxicha, Mexico	M5.6	102 km
Mar 15, 2025	5 km W of San Pedro Tidaá, Mexico	M5.6	97 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	147 km
May 25, 2022	12 km WNW of Santa María Zapotitlán, Mexico	M5.5	115 km
Apr 10, 2016	5 km ESE of Santa Cruz Ozolotepec, Mexico	M5.5	112 km
Jan 13, 2004	15 km SSW of San Jerónimo Coatlán, Mexico	M5.5	107 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year	Name	Category	Closest
2025	Erick	Category 4	187 km
2024	John	Category 3	248 km
2022	Agatha	Category 2	125 km
2017	Max	Category 1	249 km
2013	Barbara	Category 1	293 km
2012	Carlotta	Category 2	127 km
2010	Karl	Category 3	212 km
2005	Stan	Category 1	251 km
1998	Lester	Category 2	279 km
1997	Pauline	Category 4	149 km
1997	Rick	Category 2	123 km
1989	Cosme	Category 1	258 km

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

Tsunami History

5 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	115 km
2022	S. MEXICO	Earthquake	0.2 m	—	115 km
1928	S. MEXICO	Earthquake	0.2 m	4	119 km
1968	ACAPULCO	Earthquake	—	18	135 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	64°F (18°C)	0.2 in	Driest
February	62°F (17°C)	0.3 in
March	65°F (18°C)	0.4 in
April	67°F (19°C)	1.3 in
May	68°F (20°C)	3.0 in
June	66°F (19°C)	6.1 in	Wettest
July	68°F (20°C)	4.4 in	Warmest
August	64°F (18°C)	4.7 in
September	64°F (18°C)	5.4 in
October	63°F (17°C)	2.5 in
November	61°F (16°C)	0.8 in
December	60°F (16°C)	0.4 in	Coldest

San Jerónimo Tlacochahuaya has a seasonal temperature swing of 8°F / from 60°F in December to 68°F in July. Total annual precipitation is 29.4 inches, with June being the wettest month (6.1") and January the driest (0.2").

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