San Sebastián Río Hondo, Mexico

Full City Profile

1,002 Population 3/sq mi density

8,343 ft Elevation 2,543 meters

67°F Avg Temperature 19°C

San Sebastián Río Hondo enjoys a temperate climate with an average annual temperature of 67°F (19°C). Winters average 63°F in January while summers reach 68°F in July. The area gets 357 sunny days per year. Annual precipitation totals 72.2 inches. The area receives 0.0 inches of snow annually.

Temperature

63°F Jan (17°C) 68°F Jul (20°C)

Annual Average	66.8°F
	24% above US avg
January Average	63°F (17°C)
July Average	68°F (20°C)
Sunny Days	357 days/yr

Geography

Elevation	8,343 ft (2,543 m)
Area	351.7 sq mi (911.0 km²)
Population Density	3/sq mi
Coordinates	16.1838°N, 96.4654°W
Timezone	America/Mexico_City

Precipitation & Snow

Annual Rainfall 72.2"

90% above US avg

Snowfall 0.0"

Wettest Month (Jun) 7.28"

Driest Month (Jan) 0.31"

Air Quality

Earthquake History

1,533 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	52 km
Jun 23, 2020	9 km SE of Santa María Xadani, Mexico	M7.4	59 km
Feb 3, 1998	2 km E of Benito Juárez, Mexico	M6.4	38 km
Jun 30, 2010	2 km ESE of San Agustín Chayuco, Mexico	M6.3	143 km
Jun 14, 2004	0 km W of Santa Catarina Mechoacán, Mexico	M5.9	148 km
Feb 19, 2018	4 km SSE of Santiago Tetepec, Mexico	M5.9	136 km
Mar 19, 1996	21 km WSW of Bajos de Chila, Mexico	M5.9	97 km
May 8, 2016	3 km WNW of San Agustín Chayuco, Mexico	M5.8	149 km
Feb 17, 2018	8 km SE of José María Morelos, Mexico	M5.8	150 km
Aug 2, 2025	4 km S of Xagacía, Mexico	M5.8	105 km
Feb 9, 2010	8 km E of Santa María Colotepec, Mexico	M5.7	53 km
Jun 7, 2002	4 km N of Santa Catarina Loxicha, Mexico	M5.6	32 km
Sep 16, 2017	11 km SSE of Salina Cruz, Mexico	M5.6	142 km
Aug 28, 1994	6 km N of San Pedro Ocotepec, Mexico	M5.6	113 km
Feb 26, 1996	21 km SSW of San José del Progreso, Mexico	M5.5	146 km
Oct 11, 2002	29 km SSE of El Coyul, Mexico	M5.5	100 km
May 25, 2022	12 km WNW of Santa María Zapotitlán, Mexico	M5.5	54 km
Jun 14, 2017	57 km SSW of La Barra de Colotepec, Mexico	M5.5	122 km
Apr 10, 2016	5 km ESE of Santa Cruz Ozolotepec, Mexico	M5.5	27 km
Jan 13, 2004	15 km SSW of San Jerónimo Coatlán, Mexico	M5.5	51 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year	Name	Category	Closest
2025	Erick	Category 4	129 km
2024	John	Category 3	230 km
2022	Agatha	Category 2	32 km
2017	Max	Category 1	266 km
2013	Barbara	Category 1	248 km
2012	Carlotta	Category 2	63 km
2011	Hilary	Category 1	264 km
2006	John	Category 2	297 km
1998	Lester	Category 2	187 km
1997	Pauline	Category 4	71 km
1997	Rick	Category 2	35 km
1996	Douglas	Category 1	291 km
1989	Cosme	Category 1	282 km

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

Tsunami History

7 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	59 km
1965	MEXICO	Earthquake	0.4 m	6	72 km
2022	S. MEXICO	Earthquake	0.2 m	—	54 km
1928	S. MEXICO	Earthquake	0.2 m	4	63 km
1968	ACAPULCO	Earthquake	—	18	141 km
1928	MEXICO	Earthquake	—	—	69 km
1870	PUERTO ANGEL, MEXICO	Earthquake	—	24	89 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	63°F (17°C)	0.3 in	Driest
February	62°F (17°C)	0.4 in
March	64°F (18°C)	0.5 in
April	66°F (19°C)	1.1 in
May	67°F (19°C)	3.6 in
June	65°F (18°C)	7.3 in	Wettest
July	68°F (20°C)	6.1 in	Warmest
August	63°F (17°C)	6.5 in
September	63°F (17°C)	6.9 in
October	62°F (17°C)	3.6 in
November	61°F (16°C)	0.9 in
December	61°F (16°C)	0.4 in	Coldest

San Sebastián Río Hondo has a seasonal temperature swing of 8°F / from 61°F in December to 68°F in July. Total annual precipitation is 37.6 inches, with June being the wettest month (7.3") and January the driest (0.3").

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