San Pedro del Río, Mexico

Full City Profile

636 Population 5/sq mi density

1,739 ft Elevation 530 meters

73°F Avg Temperature 23°C

San Pedro del Río has a warm climate with an average annual temperature of 73°F (23°C). Winters average 70°F in January while summers reach 74°F in July. The area gets 222 sunny days per year. Annual precipitation totals 63.0 inches. The area receives 0.0 inches of snow annually.

Temperature

70°F Jan (21°C) 74°F Jul (23°C)

Annual Average	73.1°F
	35% above US avg
January Average	70°F (21°C)
July Average	74°F (23°C)
Sunny Days	222 days/yr

Geography

Elevation	1,739 ft (530 m)
Area	139.4 sq mi (361.1 km²)
Population Density	5/sq mi
Coordinates	16.5099°N, 97.4812°W
Timezone	America/Mexico_City

Precipitation & Snow

Annual Rainfall 63.0"

66% above US avg

Snowfall 0.0"

Wettest Month (Jun) 13.03"

Driest Month (Jan) 0.24"

Air Quality

Earthquake History

2,315 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	77 km
Mar 20, 2012	6 km E of Santiago Llano Grande, Mexico	M7.4	80 km
Sep 14, 1995	5 km N of Azoyú, Mexico	M7.4	123 km
Feb 16, 2018	4 km S of Pinotepa de Don Luis, Mexico	M7.2	55 km
Feb 25, 1996	24 km SSW of Santa María Chico Ometepec, Mexico	M7.1	86 km
Jul 19, 1997	4 km ENE of El Ciruelo, Mexico	M6.9	81 km
Oct 24, 1993	1 km ENE of Jolotichán, Mexico	M6.7	135 km
Feb 3, 1998	2 km E of Benito Juárez, Mexico	M6.4	144 km
Jun 30, 2010	2 km ESE of San Agustín Chayuco, Mexico	M6.3	35 km
Feb 25, 1996	7 km SE of Santa María Chico Ometepec, Mexico	M6.2	65 km
May 15, 1993	1 km ENE of Ometepec, Mexico	M6.1	100 km
Nov 13, 1993	18 km SW of Montecillos, Mexico	M6.0	126 km
Apr 2, 2012	7 km SSW of Santa María Cortijo, Mexico	M6.0	90 km
May 15, 1993	2 km SSW of Ometepec, Mexico	M6.0	101 km
Jun 14, 2004	0 km W of Santa Catarina Mechoacán, Mexico	M5.9	43 km
Mar 19, 1996	21 km WSW of Bajos de Chila, Mexico	M5.9	76 km
Feb 19, 2018	4 km SSE of Santiago Tetepec, Mexico	M5.9	37 km
Feb 17, 2018	8 km SE of José María Morelos, Mexico	M5.8	57 km
Mar 10, 2014	26 km SW of Corralero, Mexico	M5.8	105 km
Apr 1, 1991	11 km SW of Corralero, Mexico	M5.8	93 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year	Name	Category	Closest
2025	Erick	Category 4	81 km
2024	John	Category 3	137 km
2023	Otis	Category 5	241 km
2022	Agatha	Category 2	130 km
2017	Max	Category 1	153 km
2015	Carlos	Category 1	296 km
2012	Carlotta	Category 2	45 km
2011	Hilary	Category 3	206 km
2010	Karl	Category 2	275 km
2006	John	Category 3	293 km
1998	Lester	Category 2	224 km
1997	Pauline	Category 4	58 km
1997	Rick	Category 2	74 km
1996	Boris	Category 1	298 km
1989	Cosme	Category 1	168 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	109 km
1995	S. MEXICO	Earthquake	0.4 m	3	123 km
1950	S. MEXICO	Earthquake	0.3 m	—	79 km
2012	S. MEXICO	Earthquake	0.2 m	2	80 km
1928	S. MEXICO	Earthquake	0.2 m	4	72 km
1996	MEXICO	Earthquake	0.1 m	—	86 km
1968	ACAPULCO	Earthquake	—	18	28 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	70°F (21°C)	0.2 in	Coldest, Driest
February	71°F (22°C)	0.4 in
March	74°F (23°C)	0.4 in
April	76°F (24°C)	1.3 in
May	77°F (25°C)	5.5 in	Warmest
June	75°F (24°C)	13.0 in	Wettest
July	74°F (23°C)	10.8 in
August	74°F (23°C)	11.9 in
September	74°F (23°C)	12.8 in
October	73°F (23°C)	5.6 in
November	71°F (22°C)	1.0 in
December	70°F (21°C)	0.3 in

San Pedro del Río has a seasonal temperature swing of 7°F / from 70°F in January to 77°F in May. Total annual precipitation is 63.0 inches, with June being the wettest month (13.0") and January the driest (0.2").

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