Weather & Climate in San Martín de los Andes, Argentina
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Martín de los Andes has a cool climate with an average annual temperature of 45°F (7°C). Winters average 56°F in January while summers reach 35°F in July / relatively mild seasonal variation. Annual precipitation totals 44.2 inches. The area receives 8.4 inches of snow annually. The city sits at an elevation of 2,136 feet.
Temperature
56°F Jan (13°C)
35°F Jul (2°C)
| Annual Average | 45.3°F |
| 16% below US avg | |
| January Average | 56°F (13°C) |
| July Average | 35°F (2°C) |
Geography
| Elevation | 2,136 ft (651 m) |
| Area | 92.7 sq mi (240.0 km²) |
| Population Density | 398/sq mi |
| Coordinates | 40.1579°S, 71.3534°W |
| Timezone | America/Argentina/Salta |
Precipitation & Snow
Air Quality
Earthquake History
92 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.1.
| Sep 26, 2019 | 30 km W of Villa La Angostura, Argentina | M6.1 | 91 km | 129 km |
| Oct 20, 1994 | 10 km ENE of Aluminé, Argentina | M6.0 | 118 km | 162 km |
| Mar 27, 1999 | 35 km WNW of San Martín de los Andes, Argentina | M5.5 | 36 km | 33 km |
| Jan 13, 2020 | 14 km SE of San Martín de los Andes, Argentina | M5.3 | 15 km | 168 km |
| Mar 2, 2010 | 33 km NW of Junín de los Andes, Argentina | M5.1 | 44 km | 25 km |
| Aug 27, 2003 | 23 km NW of Villarrica, Chile | M5.1 | 145 km | 71 km |
| Feb 27, 1993 | 42 km ENE of Pucón, Chile | M5.1 | 122 km | 106 km |
| Jun 23, 2017 | 17 km SE of Pucón, Chile | M5.0 | 94 km | 115 km |
| Jun 4, 2011 | 32 km NW of Villa La Angostura, Argentina | M5.0 | 63 km | 10 km |
| Sep 26, 2010 | 21 km SE of Río Bueno, Chile | M5.0 | 124 km | 61 km |
| Jun 4, 2011 | 43 km NE of Puyehue, Chile | M4.9 | 77 km | 13 km |
| May 28, 1991 | 28 km NNE of Río Bueno, Chile | M4.9 | 122 km | 48 km |
| Jun 4, 2011 | 34 km NNW of Villa La Angostura, Argentina | M4.9 | 47 km | 14 km |
| Apr 27, 2011 | 39 km SW of San Martín de los Andes, Argentina | M4.8 | 39 km | 41 km |
| Jun 4, 2011 | 46 km ENE of Puyehue, Chile | M4.8 | 73 km | 13 km |
| Aug 20, 2007 | 40 km NNW of Villa La Angostura, Argentina | M4.8 | 46 km | 50 km |
| Feb 11, 2021 | 38 km ESE of Panguipulli, Chile | M4.8 | 63 km | 10 km |
| Jun 4, 2011 | 39 km NNW of Villa La Angostura, Argentina | M4.7 | 49 km | 10 km |
| Jul 17, 2006 | 35 km NE of Puyehue, Chile | M4.7 | 84 km | 5 km |
| Apr 5, 2000 | 30 km NE of Villa La Angostura, Argentina | M4.7 | 45 km | 152 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 0.8 m (3 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2022 | TODOS LOS SANTOS LAKE | Meteorological | 0.8 m | - | 140 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Huanquihue Group (36 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Huanquihue Group | Stratovolcano(es) | 2,189 m (7,182 ft) | 1750 | 36 km |
| Lanin | Stratovolcano | 3,776 m (12,388 ft) | 560 | 59 km |
| Mocho-Choshuenco | Stratovolcano(es) | 2,422 m (7,946 ft) | 1937 | 63 km |
| Carran-Los Venados | Pyroclastic cone(s) | 1,114 m (3,655 ft) | 1979 | 65 km |
| Quetrupillan | Stratovolcano | 2,360 m (7,743 ft) | 255 | 80 km |
| Puyehue-Cordon Caulle | Stratovolcano | 2,236 m (7,336 ft) | 2012 | 81 km |
| Villarrica | Stratovolcano | 2,847 m (9,341 ft) | 2020 | 96 km |
| Antillanca Volcanic Complex | Stratovolcano(es) | 1,979 m (6,493 ft) | -230 | 97 km |
| Caburgua-Huelemolle | Pyroclastic cone(s) | 1,652 m (5,420 ft) | -5050 | 107 km |
| Puntiagudo-Cordon Cenizos | Stratovolcano | 2,493 m (8,179 ft) | 1850 | 119 km |
| Tronador | Stratovolcano | 3,478 m (11,411 ft) | Unknown | 120 km |
| Sollipulli | Caldera | 2,282 m (7,487 ft) | 1240 | 133 km |
| Osorno | Stratovolcano | 2,659 m (8,724 ft) | 1869 | 143 km |
| Cayutue-La Vigueria | Pyroclastic cone(s) | 506 m (1,660 ft) | -190 | 144 km |
| Blanca, Laguna | Volcanic field | 1,700 m (5,577 ft) | Unknown | 152 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 56°F (13°C) | 1.2 in | Warmest, Driest |
| February | 55°F (13°C) | 1.6 in | |
| March | 51°F (11°C) | 2.5 in | |
| April | 46°F (8°C) | 3.4 in | |
| May | 40°F (5°C) | 4.1 in | |
| June | 36°F (2°C) | 5.0 in | |
| July | 35°F (2°C) | 8.4 in | Coldest, Wettest |
| August | 36°F (2°C) | 6.7 in | |
| September | 40°F (4°C) | 4.2 in | |
| October | 45°F (7°C) | 2.8 in | |
| November | 49°F (10°C) | 2.4 in | |
| December | 54°F (12°C) | 1.9 in |
San Martín de los Andes has a seasonal temperature swing of 21°F / from 35°F in July to 56°F in January. Total annual precipitation is 44.2 inches, with July being the wettest month (8.4") and January the driest (1.2").