San Mateo del Mar, Mexico

Full City Profile

5,734 Population 168/sq mi density

33 ft Elevation 10 meters

81°F Avg Temperature 27°C

San Mateo del Mar has a warm climate with an average annual temperature of 81°F (27°C). Winters average 77°F in January while summers reach 83°F in July. The area gets 270 sunny days per year. Annual precipitation totals 36.6 inches. The area receives 0.0 inches of snow annually.

Temperature

77°F Jan (25°C) 83°F Jul (28°C)

Annual Average	81.0°F
	50% above US avg
January Average	77°F (25°C)
July Average	83°F (28°C)
Sunny Days	270 days/yr

Geography

Elevation	33 ft (10 m)
Area	34.1 sq mi (88.3 km²)
Population Density	168/sq mi
Coordinates	16.2111°N, 94.9818°W
Timezone	America/Mexico_City

Precipitation & Snow

Annual Rainfall 36.6"

4% below US avg

Snowfall 0.0"

Wettest Month (Sep) 9.72"

Driest Month (Jan) 0.04"

Air Quality

Earthquake History

2,924 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.4. Most recent: M4.3 on Aug 26, 2025.

Jun 23, 2020	9 km SE of Santa María Xadani, Mexico	M7.4	115 km
Apr 7, 2011	7 km SW of Helio García Alfaro, Mexico	M6.6	130 km
Sep 30, 1993	90 km S of San Francisco del Mar Viejo, Mexico	M6.5	93 km
Feb 12, 2008	9 km SSW of General Pascual Fentes, Mexico	M6.5	74 km
Feb 3, 1998	2 km E of Benito Juárez, Mexico	M6.4	145 km
Jun 7, 1998	2 km NNE of Cabeza de Toro, Mexico	M6.3	132 km
Sep 23, 2017	7 km NNE of Ixtepec, Mexico	M6.1	47 km
Jul 6, 2007	6 km N of Lázaro Cárdenas, Mexico	M6.1	107 km
Jan 5, 2020	3 km W of Reforma de Pineda, Mexico	M5.9	57 km
Aug 18, 2004	8 km E of Juchitán de Zaragoza, Mexico	M5.9	24 km
Aug 7, 2004	17 km WNW of Palomares, Mexico	M5.9	112 km
Sep 23, 2017	80 km SSW of La Gloria, Mexico	M5.8	100 km
Aug 9, 2023	7 km NNE of Tonalá, Mexico	M5.8	134 km
Sep 24, 2017	80 km SSW of Cabeza de Toro, Mexico	M5.8	132 km
Sep 10, 2017	92 km S of San Francisco del Mar Viejo, Mexico	M5.8	103 km
May 21, 2014	2 km SSW of Palomares, Mexico	M5.8	102 km
May 20, 2017	21 km SE of La Horqueta (Poblado Doce), Mexico	M5.7	133 km
Sep 8, 2017	100 km SSW of Cabeza de Toro, Mexico	M5.7	136 km
Mar 2, 2023	Oaxaca, Mexico	M5.7	61 km
Aug 5, 2015	11 km ENE of Tonalá, Mexico	M5.7	141 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year	Name	Category	Closest
2025	Erick	Category 4	243 km
2022	Agatha	Category 2	155 km
2013	Barbara	Category 1	101 km
2012	Carlotta	Category 2	196 km
2005	Stan	Category 1	266 km
1998	Lester	Category 2	193 km
1997	Pauline	Category 4	174 km
1997	Rick	Category 1	114 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	116 km
1965	MEXICO	Earthquake	0.4 m	6	88 km
2022	S. MEXICO	Earthquake	0.2 m	—	104 km
2025	OFF COAST OF OAXACA	Earthquake	0.2 m	—	48 km
1928	MEXICO	Earthquake	—	—	134 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	77°F (25°C)	0.0 in	Coldest, Driest
February	78°F (26°C)	0.1 in
March	81°F (27°C)	0.1 in
April	83°F (28°C)	0.2 in
May	85°F (29°C)	2.5 in	Warmest
June	83°F (28°C)	8.2 in
July	83°F (28°C)	5.5 in
August	83°F (28°C)	7.4 in
September	82°F (28°C)	9.7 in	Wettest
October	81°F (27°C)	2.2 in
November	80°F (27°C)	0.5 in
December	78°F (25°C)	0.0 in

San Mateo del Mar has a seasonal temperature swing of 8°F / from 77°F in January to 85°F in May. Total annual precipitation is 36.6 inches, with September being the wettest month (9.7") and January the driest (0.0").

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