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San Sebastián, Mexico

Full City Profile

2,177 Population 7/sq mi density
4,298 ft Elevation 1,310 meters
67°F Avg Temperature 19°C
San Sebastián enjoys a temperate climate with an average annual temperature of 67°F (19°C). Winters average 61°F in January while summers reach 69°F in July. The area gets 271 sunny days per year. Annual precipitation totals 36.0 inches. The area receives 0.0 inches of snow annually.

Temperature

61°F Jan (16°C) 69°F Jul (21°C)
Annual Average66.7°F
24% above US avg
January Average61°F (16°C)
July Average69°F (21°C)
Sunny Days271 days/yr

Geography

Elevation4,298 ft (1,310 m)
Area294.3 sq mi (762.2 km²)
Population Density7/sq mi
Coordinates19.5722°N, 102.4809°W
TimezoneAmerica/Mexico_City

Precipitation & Snow

Annual Rainfall 36.0"
5% below US avg
Snowfall 0.0"
Wettest Month (Jul) 8.23"
Driest Month (Feb) 0.16"

Air Quality

Earthquake History

192 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.6. Most recent: M4.3 on Aug 6, 2025.

Sep 19, 2022 35 km SSW of Aguililla, Mexico M7.6 134 km
May 22, 1997 5 km ENE of Churumuco de Morelos, Mexico M6.5 135 km
Jan 25, 1996 17 km WSW of Las Cañas, Mexico M5.5 124 km
Jan 29, 1990 28 km WSW of Arteaga, Mexico M5.4 145 km
Sep 29, 1992 8 km SSE of Tecalitlán, Mexico M5.3 87 km
Aug 15, 1999 27 km WSW of Los Olivos, Mexico M5.3 83 km
Apr 11, 2000 18 km W of Arteaga, Mexico M5.2 136 km
May 21, 2004 51 km S of Aguililla, Mexico M5.2 149 km
Mar 20, 1993 8 km SSE of Villa Victoria, Mexico M5.1 132 km
Oct 29, 1990 6 km NE of El Chauz, Mexico M5.1 86 km
Jun 16, 2019 16 km SW of Churumuco de Morelos, Mexico M5.1 134 km
May 11, 2021 8 km ENE of Aguililla, Mexico M5.0 93 km
Mar 20, 2006 8 km W of Churumuco de Morelos, Mexico M4.9 129 km
Sep 20, 2022 33 km SSE of Coalcomán de Vázquez Pallares, Mexico M4.9 135 km
Mar 14, 2022 20 km WSW of Arteaga, Mexico M4.8 139 km
Jul 15, 2009 26 km S of Coalcomán de Vázquez Pallares, Mexico M4.8 136 km
Jan 12, 2025 21 km ESE of Aquila, Mexico M4.8 150 km
May 22, 2025 2 km WSW of Nueva Italia de Ruiz, Mexico M4.8 73 km
Apr 26, 2016 26 km ESE of Aquila, Mexico M4.7 148 km
Oct 18, 1994 7 km S of El Chauz, Mexico M4.7 95 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

21 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 5. Most recent: John (2024).

Year Name Category Closest
2024 John Category 1 254 km
2023 Lidia Category 2 254 km
2023 Beatriz Category 1 183 km
2021 Rick Category 2 110 km
2021 Nora Category 1 296 km
2019 Lorena Category 1 223 km
2015 Patricia Category 5 226 km
2015 Carlos Category 1 262 km
2013 Erick Category 1 290 km
2011 Jova Category 2 270 km
2011 Beatriz Category 1 199 km
2009 Andres Category 1 247 km
2006 John Category 4 271 km
1996 Alma Category 2 175 km
1996 Hernan Category 1 187 km
1996 Boris Category 1 101 km
1993 Calvin Category 2 229 km
1992 Winifred Category 3 185 km
1992 Virgil Category 3 168 km
1987 Eugene Category 2 252 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

4 tsunamis recorded within 500 km. Highest wave on record: 1.1 m (4 ft).

Year Location Cause Max Wave Deaths Distance
1973 S. MEXICO Earthquake 1.1 m 56 133 km
1932 CENTRAL MEXICO Earthquake 1.0 m 133 km
2022 MEXICO Earthquake 0.8 m 2 134 km
1941 MEXICO Earthquake 84 113 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

2 volcanoes within 200 km. Closest: Michoacan-Guanajuato (83 km).

Name Type Elevation Last Eruption Distance
Michoacan-Guanajuato Pyroclastic cone(s) 3,860 m (12,664 ft) 1952 83 km
Colima Stratovolcano(es) 3,850 m (12,631 ft) 2019 120 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 61°F (16°C) 0.8 in Coldest
February 62°F (17°C) 0.2 in Driest
March 66°F (19°C) 0.2 in
April 69°F (21°C) 0.4 in
May 72°F (22°C) 1.7 in Warmest
June 72°F (22°C) 6.6 in
July 69°F (21°C) 8.2 in Wettest
August 69°F (21°C) 7.6 in
September 69°F (20°C) 6.5 in
October 67°F (20°C) 2.8 in
November 65°F (18°C) 0.8 in
December 62°F (17°C) 0.4 in

San Sebastián has a seasonal temperature swing of 11°F / from 61°F in January to 72°F in May. Total annual precipitation is 36.0 inches, with July being the wettest month (8.2") and February the driest (0.2").

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