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Weather & Climate in Libertador General San Martín, Argentina
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Libertador General San Martín enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 74°F in January while summers reach 56°F in July / relatively mild seasonal variation. The area gets 312 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 59.3 inches (wetter than the 38-inch national average). The city sits at an elevation of 1,522 feet.
Temperature
74°F Jan (24°C)
56°F Jul (13°C)
| Annual Average | 65.7°F |
| 22% above US avg | |
| January Average | 74°F (24°C) |
| July Average | 56°F (13°C) |
| Sunny Days | 312 days/yr |
Geography
| Elevation | 1,522 ft (464 m) |
| Area | 4.3 sq mi (11.1 km²) |
| Population Density | 11,484/sq mi |
| Coordinates | -23.8131°N, 64.7935°W |
| Timezone | America/Argentina/Jujuy |
Precipitation & Snow
Air Quality
Earthquake History
105 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.3.
| Feb 27, 2010 | 5 km NE of Campo Quijano, Argentina | M6.3 | 143 km | 10 km |
| Oct 6, 2011 | 23 km SSE of Palma Sola, Argentina | M5.9 | 71 km | 15 km |
| Mar 22, 2004 | 22 km N of San Ramón de la Nueva Orán, Argentina | M5.8 | 107 km | 16 km |
| Nov 6, 2009 | 22 km N of Yuto, Argentina | M5.5 | 54 km | 5 km |
| May 17, 2011 | 61 km ESE of Embarcación, Argentina | M5.4 | 128 km | 532 km |
| Oct 2, 1993 | 17 km WSW of Palma Sola, Argentina | M5.4 | 42 km | 21 km |
| May 4, 2002 | 18 km WNW of San Ramón de la Nueva Orán, Argentina | M5.3 | 88 km | 33 km |
| Dec 30, 1999 | 13 km WNW of Calilegua, Argentina | M5.3 | 14 km | 21 km |
| Mar 31, 2005 | 10 km NNW of Yuto, Argentina | M5.1 | 40 km | 1 km |
| Mar 31, 2005 | 11 km NNW of Yuto, Argentina | M5.1 | 40 km | 2 km |
| Jun 15, 1993 | 69 km SE of Embarcación, Argentina | M5.1 | 127 km | 537 km |
| Oct 6, 2011 | 33 km S of Palma Sola, Argentina | M5.1 | 72 km | 10 km |
| Jan 25, 2013 | 8 km NE of San Salvador de Jujuy, Argentina | M5.1 | 58 km | 41 km |
| Feb 17, 2019 | 29 km NW of Yuto, Argentina | M5.0 | 40 km | 10 km |
| Oct 16, 2016 | 24 km SSW of Palma Sola, Argentina | M5.0 | 60 km | 10 km |
| Feb 3, 2022 | 37 km E of Humahuaca, Argentina | M5.0 | 68 km | 24 km |
| Apr 4, 1990 | 4 km SSW of La Mendieta, Argentina | M5.0 | 62 km | 33 km |
| Dec 21, 1991 | 14 km ENE of Bermejo, Bolivia | M5.0 | 140 km | 33 km |
| Nov 11, 1996 | 27 km WNW of Joaquín V. González, Argentina | M5.0 | 144 km | 33 km |
| Oct 14, 2024 | 22 km ENE of Palma Sola, Argentina | M5.0 | 72 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
1 volcano within 200 km. Closest: Tuzgle (173 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Tuzgle | Stratovolcano | 5,486 m (17,999 ft) | Unknown | 173 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 74°F (24°C) | 6.1 in | Wettest |
| February | 77°F (25°C) | 5.5 in | |
| March | 74°F (23°C) | 6.1 in | |
| April | 69°F (21°C) | 2.5 in | |
| May | 64°F (18°C) | 0.7 in | |
| June | 58°F (15°C) | 0.4 in | |
| July | 56°F (13°C) | 0.3 in | Coldest |
| August | 63°F (17°C) | 0.2 in | Driest |
| September | 68°F (20°C) | 0.5 in | |
| October | 73°F (23°C) | 1.9 in | |
| November | 76°F (25°C) | 2.5 in | |
| December | 78°F (26°C) | 5.2 in | Warmest |
Libertador General San Martín has a seasonal temperature swing of 23°F / from 56°F in July to 78°F in December. Total annual precipitation is 31.7 inches, with January being the wettest month (6.1") and August the driest (0.2").