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Weather & Climate in Santa María, Argentina
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Santa María enjoys a temperate climate with an average annual temperature of 67°F (19°C). Winters average 69°F in January while summers reach 56°F in July / relatively mild seasonal variation. The area gets 363 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 7.3 inches (drier than the 38-inch national average). The city sits at an elevation of 6,158 feet.
Temperature
69°F Jan (21°C)
56°F Jul (13°C)
| Annual Average | 66.8°F |
| 24% above US avg | |
| January Average | 69°F (21°C) |
| July Average | 56°F (13°C) |
| Sunny Days | 363 days/yr |
Geography
| Elevation | 6,158 ft (1,877 m) |
| Area | 57.9 sq mi (150.0 km²) |
| Population Density | 0/sq mi |
| Coordinates | -26.6946°N, 66.0481°W |
| Timezone | America/Argentina/Catamarca |
Precipitation & Snow
Air Quality
Earthquake History
141 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.8.
| Mar 8, 2010 | 75 km WNW of Cafayate, Argentina | M5.8 | 123 km | 10 km |
| Apr 3, 2009 | 39 km SW of Andalgalá, Argentina | M5.7 | 139 km | 174 km |
| Feb 21, 2011 | 41 km NNE of Termas de Río Hondo, Argentina | M5.6 | 144 km | 13 km |
| Jan 10, 2022 | 23 km NW of Trancas, Argentina | M5.6 | 91 km | 8 km |
| Aug 12, 2009 | 49 km SW of Andalgalá, Argentina | M5.5 | 147 km | 174 km |
| Jul 31, 2011 | 32 km SW of Andalgalá, Argentina | M5.4 | 130 km | 170 km |
| Sep 25, 2019 | 41 km ESE of Londres, Argentina | M5.3 | 149 km | 157 km |
| Jun 22, 2011 | 48 km SSW of Andalgalá, Argentina | M5.3 | 149 km | 164 km |
| Sep 10, 1993 | 41 km ESE of Londres, Argentina | M5.2 | 147 km | 154 km |
| Feb 29, 1992 | 24 km NE of Alderetes, Argentina | M5.2 | 111 km | 23 km |
| Apr 30, 2000 | 37 km WSW of Tafí del Valle, Argentina | M5.2 | 36 km | 36 km |
| May 24, 2019 | 46 km SW of Andalgalá, Argentina | M5.2 | 145 km | 149 km |
| Jan 19, 2010 | 26 km SW of Aguilares, Argentina | M5.2 | 101 km | 27 km |
| May 21, 2010 | 72 km ENE of Antofagasta de la Sierra, Argentina | M5.1 | 120 km | 10 km |
| Apr 20, 2017 | 19 km W of La Puerta de San José, Argentina | M5.1 | 148 km | 119 km |
| Jul 3, 2006 | 46 km SSW of Andalgalá, Argentina | M5.1 | 149 km | 166 km |
| May 19, 2016 | 46 km SSW of Andalgalá, Argentina | M5.1 | 149 km | 157 km |
| Feb 20, 2013 | 23 km SSW of Andalgalá, Argentina | M5.1 | 126 km | 155 km |
| Jun 13, 2001 | 32 km E of Hualfín, Argentina | M5.0 | 73 km | 17 km |
| Sep 27, 1997 | 48 km SW of Andalgalá, Argentina | M5.0 | 146 km | 176 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Antofagasta Volcanic Field (149 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Antofagasta Volcanic Field | Pyroclastic cone(s) | 3,495 m (11,467 ft) | Unknown | 149 km |
| Blanco, Cerro | Caldera | 4,670 m (15,322 ft) | -2300 | 171 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 69°F (21°C) | 5.0 in | Wettest |
| February | 73°F (23°C) | 4.0 in | |
| March | 69°F (21°C) | 3.7 in | |
| April | 64°F (18°C) | 1.7 in | |
| May | 58°F (15°C) | 1.0 in | |
| June | 52°F (11°C) | 0.7 in | Coldest |
| July | 56°F (13°C) | 0.5 in | Driest |
| August | 56°F (14°C) | 0.6 in | |
| September | 62°F (17°C) | 0.7 in | |
| October | 67°F (19°C) | 1.9 in | |
| November | 71°F (22°C) | 2.5 in | |
| December | 74°F (23°C) | 3.7 in | Warmest |
Santa María has a seasonal temperature swing of 22°F / from 52°F in June to 74°F in December. Total annual precipitation is 26.0 inches, with January being the wettest month (5.0") and July the driest (0.5").