Santa María Tonameca, Mexico

Full City Profile

1,850 Population 11/sq mi density

197 ft Elevation 60 meters

79°F Avg Temperature 26°C

Santa María Tonameca has a warm climate with an average annual temperature of 79°F (26°C). Winters average 76°F in January while summers reach 80°F in July. The area gets 267 sunny days per year. Annual precipitation totals 37.8 inches. The area receives 0.0 inches of snow annually.

Temperature

76°F Jan (24°C) 80°F Jul (27°C)

Annual Average	78.6°F
	46% above US avg
January Average	76°F (24°C)
July Average	80°F (27°C)
Sunny Days	267 days/yr

Geography

Elevation	197 ft (60 m)
Area	175.4 sq mi (454.2 km²)
Population Density	11/sq mi
Coordinates	15.7468°N, 96.5459°W
Timezone	America/Mexico_City

Precipitation & Snow

Annual Rainfall 37.8"

0% below US avg

Snowfall 0.0"

Wettest Month (Sep) 8.35"

Driest Month (Jan) 0.20"

Air Quality

Earthquake History

1,371 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.5. Most recent: M4.1 on Aug 28, 2025.

Sep 30, 1999	15 km W of San Baltazar Loxicha, Mexico	M7.5	54 km
Jun 23, 2020	9 km SE of Santa María Xadani, Mexico	M7.4	60 km
Jul 4, 1994	108 km SSW of La Barra de Colotepec, Mexico	M6.5	127 km
Feb 3, 1998	2 km E of Benito Juárez, Mexico	M6.4	31 km
Mar 19, 1996	21 km WSW of Bajos de Chila, Mexico	M5.9	82 km
Feb 19, 2018	4 km SSE of Santiago Tetepec, Mexico	M5.9	140 km
Feb 17, 2018	8 km SE of José María Morelos, Mexico	M5.8	148 km
Feb 9, 2010	8 km E of Santa María Colotepec, Mexico	M5.7	37 km
Jun 7, 2002	4 km N of Santa Catarina Loxicha, Mexico	M5.6	46 km
May 25, 2022	12 km WNW of Santa María Zapotitlán, Mexico	M5.5	79 km
Oct 11, 2002	29 km SSE of El Coyul, Mexico	M5.5	91 km
Jan 13, 2004	15 km SSW of San Jerónimo Coatlán, Mexico	M5.5	58 km
Feb 26, 1996	21 km SSW of San José del Progreso, Mexico	M5.5	137 km
Jun 14, 2017	57 km SSW of La Barra de Colotepec, Mexico	M5.5	82 km
Apr 10, 2016	5 km ESE of Santa Cruz Ozolotepec, Mexico	M5.5	46 km
Jul 24, 2020	26 km SSE of Crucecita, Mexico	M5.5	61 km
Aug 5, 2002	3 km SSW of Tapanalá, Mexico	M5.4	89 km
Apr 4, 2023	10 km E of San Gabriel Mixtepec, Mexico	M5.4	60 km
Apr 4, 1999	Oaxaca, Mexico	M5.4	94 km
Mar 20, 1996	13 km SW of Santiago Cuixtla, Mexico	M5.4	80 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year	Name	Category	Closest
2025	Erick	Category 4	85 km
2024	John	Category 3	208 km
2022	Agatha	Category 2	8 km
2022	Bonnie	Category 1	261 km
2017	Max	Category 1	273 km
2013	Barbara	Category 1	251 km
2012	Carlotta	Category 2	23 km
2011	Hilary	Category 1	235 km
2006	John	Category 2	252 km
1998	Lester	Category 2	140 km
1997	Pauline	Category 4	38 km
1997	Rick	Category 2	18 km
1996	Douglas	Category 1	242 km
1989	Cosme	Category 1	282 km
1984	Boris	Category 1	268 km

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

Tsunami History

6 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	60 km
1965	MEXICO	Earthquake	0.4 m	6	101 km
2022	S. MEXICO	Earthquake	0.2 m	—	79 km
1928	S. MEXICO	Earthquake	0.2 m	4	61 km
1928	MEXICO	Earthquake	—	—	49 km
1870	PUERTO ANGEL, MEXICO	Earthquake	—	24	47 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	76°F (24°C)	0.2 in	Coldest, Driest
February	76°F (25°C)	0.2 in
March	78°F (26°C)	0.2 in
April	80°F (27°C)	0.5 in
May	81°F (27°C)	3.0 in	Warmest
June	80°F (27°C)	8.1 in
July	80°F (27°C)	5.8 in
August	80°F (26°C)	7.4 in
September	79°F (26°C)	8.4 in	Wettest
October	79°F (26°C)	3.4 in
November	78°F (26°C)	0.5 in
December	77°F (25°C)	0.2 in

Santa María Tonameca has a seasonal temperature swing of 5°F / from 76°F in January to 81°F in May. Total annual precipitation is 37.9 inches, with September being the wettest month (8.4") and January the driest (0.2").

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