San Francisco del Mar, Mexico

Full City Profile

4,724 Population 5/sq mi density

43 ft Elevation 13 meters

82°F Avg Temperature 28°C

San Francisco del Mar has a warm climate with an average annual temperature of 82°F (28°C). Winters average 78°F in January while summers reach 84°F in July. The area gets 262 sunny days per year. Annual precipitation totals 40.5 inches. The area receives 0.0 inches of snow annually.

Temperature

78°F Jan (26°C) 84°F Jul (29°C)

Annual Average	82.1°F
	52% above US avg
January Average	78°F (26°C)
July Average	84°F (29°C)
Sunny Days	262 days/yr

Geography

Elevation	43 ft (13 m)
Area	904.1 sq mi (2,341.6 km²)
Population Density	5/sq mi
Coordinates	16.3399°N, 94.5153°W
Timezone	America/Mexico_City

Precipitation & Snow

Annual Rainfall 40.5"

7% above US avg

Snowfall 0.0"

Wettest Month (Sep) 10.16"

Driest Month (Jan) 0.04"

Air Quality

Earthquake History

2,881 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.2. Most recent: M4.3 on Aug 26, 2025.

Oct 21, 1995	13 km NW of Ocozocoautla de Espinosa, Mexico	M7.2	125 km
Apr 7, 2011	7 km SW of Helio García Alfaro, Mexico	M6.6	98 km
Sep 30, 1993	90 km S of San Francisco del Mar Viejo, Mexico	M6.5	105 km
Feb 12, 2008	9 km SSW of General Pascual Fentes, Mexico	M6.5	23 km
Jun 7, 1998	2 km NNE of Cabeza de Toro, Mexico	M6.3	90 km
Jul 6, 2007	6 km N of Lázaro Cárdenas, Mexico	M6.1	56 km
Sep 23, 2017	7 km NNE of Ixtepec, Mexico	M6.1	68 km
Aug 18, 2004	8 km E of Juchitán de Zaragoza, Mexico	M5.9	47 km
Jan 5, 2020	3 km W of Reforma de Pineda, Mexico	M5.9	7 km
Aug 7, 2004	17 km WNW of Palomares, Mexico	M5.9	121 km
Sep 10, 2017	92 km S of San Francisco del Mar Viejo, Mexico	M5.8	105 km
May 21, 2014	2 km SSW of Palomares, Mexico	M5.8	105 km
Aug 9, 2023	7 km NNE of Tonalá, Mexico	M5.8	87 km
Sep 24, 2017	80 km SSW of Cabeza de Toro, Mexico	M5.8	120 km
Sep 23, 2017	80 km SSW of La Gloria, Mexico	M5.8	95 km
Mar 2, 2023	Oaxaca, Mexico	M5.7	15 km
Sep 8, 2017	100 km SSW of Cabeza de Toro, Mexico	M5.7	131 km
Aug 5, 2015	11 km ENE of Tonalá, Mexico	M5.7	94 km
May 20, 2017	21 km SE of La Horqueta (Poblado Doce), Mexico	M5.7	91 km
Sep 18, 2017	108 km S of San Francisco del Mar Viejo, Mexico	M5.6	121 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	292 km
2022	Agatha	Category 2	207 km
2013	Barbara	Category 1	67 km
2012	Carlotta	Category 2	248 km
2005	Stan	Category 1	255 km
1998	Lester	Category 2	220 km
1997	Pauline	Category 4	223 km
1997	Rick	Category 1	166 km

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

Tsunami History

2 tsunamis recorded within 500 km. Highest wave on record: 0.4 m (1 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1965	MEXICO	Earthquake	0.4 m	6	137 km
2025	OFF COAST OF OAXACA	Earthquake	0.2 m	—	84 km

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

Nearby Volcanoes

1 volcano within 200 km. Closest: Chichon, El (178 km).

Name	Type	Elevation	Last Eruption	Distance
Chichon, El	Lava dome(s)	1,150 m (3,773 ft)	1982	178 km

Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	78°F (26°C)	0.0 in	Coldest, Driest
February	79°F (26°C)	0.3 in
March	82°F (28°C)	0.2 in
April	85°F (29°C)	0.4 in
May	86°F (30°C)	3.6 in	Warmest
June	84°F (29°C)	8.3 in
July	84°F (29°C)	5.8 in
August	83°F (29°C)	8.5 in
September	82°F (28°C)	10.2 in	Wettest
October	82°F (28°C)	2.6 in
November	81°F (27°C)	0.6 in
December	79°F (26°C)	0.1 in

San Francisco del Mar has a seasonal temperature swing of 8°F / from 78°F in January to 86°F in May. Total annual precipitation is 40.5 inches, with September being the wettest month (10.2") and January the driest (0.0").

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