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San Martín, Argentina

Full City Profile

82,549 Population 142/sq mi density
2,152 ft Elevation 656 meters
62°F Avg Temperature 16°C
San Martín enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 76°F in January while summers reach 46°F in July. The area gets 322 sunny days per year. Annual precipitation totals 8.0 inches. The area receives 0.0 inches of snow annually.

Temperature

76°F Jan (25°C) 46°F Jul (8°C)
Annual Average61.6°F
14% above US avg
January Average76°F (25°C)
July Average46°F (8°C)
Sunny Days322 days/yr

Geography

Elevation2,152 ft (656 m)
Area580.7 sq mi (1,504.0 km²)
Population Density142/sq mi
Coordinates-33.0834°N, 68.4731°W
TimezoneAmerica/Argentina/Mendoza

Precipitation & Snow

Annual Rainfall 8.0"
79% below US avg
Snowfall 0.0"
Wettest Month (Feb) 1.54"
Driest Month (Jun) 0.16"

Air Quality

Earthquake History

1,218 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.4. Most recent: M4.4 on Aug 15, 2025.

Jan 19, 2021 26 km SW of Pocito, Argentina M6.4 142 km
Feb 2, 2015 63 km W of Villa General Roca, Argentina M6.3 132 km
Feb 12, 2010 67 km SSW of San Martín, Argentina M5.8 67 km
Aug 5, 2006 23 km WSW of San Martín, Argentina M5.6 23 km
Nov 27, 1998 86 km SW of Villa Basilio Nievas, Argentina M5.5 132 km
Dec 21, 1990 79 km WNW of Mendoza, Argentina M5.5 118 km
Jun 20, 2019 66 km SSW of San Martín, Argentina M5.4 67 km
Dec 1, 1991 81 km S of Calingasta, Argentina M5.4 149 km
Feb 3, 2017 85 km WSW of Mendoza, Argentina M5.4 116 km
Feb 10, 1997 7 km ESE of Mendoza, Argentina M5.3 32 km
Jun 18, 2012 8 km NNW of San Martín, Argentina M5.3 9 km
Mar 11, 2009 56 km SW of Villa Basilio Nievas, Argentina M5.3 149 km
Apr 26, 2009 48 km W of Mendoza, Argentina M5.3 85 km
Jan 19, 2021 23 km WSW of Pocito, Argentina M5.3 147 km
Oct 12, 2001 79 km ENE of Villa Presidente Frei, Ñuñoa, Santiago, Chile, Chile M5.3 121 km
Jan 14, 1998 18 km SSE of Caucete, Argentina M5.2 145 km
May 23, 2020 70 km E of Villa Presidente Frei, Ñuñoa, Santiago, Chile, Chile M5.2 135 km
Feb 20, 1998 53 km SW of Pocito, Argentina M5.1 136 km
Sep 11, 2012 23 km S of Nueve de Julio, Argentina M5.1 135 km
Jun 19, 1997 67 km E of Los Andes, Chile M5.1 136 km
Source: USGS (M2.5+, 1990–2025)

Nearby Volcanoes

3 volcanoes within 200 km. Closest: Tupungatito (129 km).

Name Type Elevation Last Eruption Distance
Tupungatito Stratovolcano 5,660 m (18,570 ft) 1987 129 km
San Jose Stratovolcano(es) 6,070 m (19,915 ft) 1960 154 km
Maipo Caldera 5,323 m (17,464 ft) 1912 174 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 76°F (25°C) 1.5 in Warmest
February 74°F (23°C) 1.5 in Wettest
March 69°F (20°C) 1.1 in
April 61°F (16°C) 0.4 in
May 53°F (12°C) 0.2 in
June 46°F (8°C) 0.2 in Driest
July 46°F (8°C) 0.2 in Coldest
August 50°F (10°C) 0.2 in
September 56°F (13°C) 0.4 in
October 64°F (18°C) 0.4 in
November 70°F (21°C) 0.8 in
December 75°F (24°C) 1.1 in

San Martín has a seasonal temperature swing of 31°F / from 46°F in July to 76°F in January. Total annual precipitation is 8.0 inches, with February being the wettest month (1.5") and June the driest (0.2").

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