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Weather & Climate in San Antonio, Argentina
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Antonio enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 72°F in January while summers reach 51°F in July / relatively mild seasonal variation. The area gets 338 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 37.0 inches. The city sits at an elevation of 3,346 feet.
Temperature
72°F Jan (22°C)
51°F Jul (11°C)
| Annual Average | 62.5°F |
| 16% above US avg | |
| January Average | 72°F (22°C) |
| July Average | 51°F (11°C) |
| Sunny Days | 338 days/yr |
Geography
| Elevation | 3,346 ft (1,020 m) |
| Area | 3.0 sq mi (7.8 km²) |
| Population Density | 1,425/sq mi |
| Coordinates | -28.0101°N, 65.7087°W |
| Timezone | America/Argentina/Catamarca |
Precipitation & Snow
Air Quality
Earthquake History
244 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.4.
| Sep 7, 2004 | 12 km SSW of San Fernando del Valle de Catamarca, Argentina | M6.4 | 64 km | 22 km |
| May 28, 2002 | 39 km S of Arauco, Argentina | M6.0 | 148 km | 22 km |
| May 25, 1999 | 31 km SE of Londres, Argentina | M5.8 | 121 km | 169 km |
| Apr 3, 2009 | 39 km SW of Andalgalá, Argentina | M5.7 | 89 km | 174 km |
| Jun 17, 1997 | 29 km SSE of Termas de Río Hondo, Argentina | M5.6 | 99 km | 28 km |
| Feb 21, 2011 | 41 km NNE of Termas de Río Hondo, Argentina | M5.6 | 139 km | 13 km |
| May 15, 2001 | 49 km NW of Pomán, Argentina | M5.6 | 83 km | 177 km |
| Aug 12, 2009 | 49 km SW of Andalgalá, Argentina | M5.5 | 96 km | 174 km |
| Jul 31, 2011 | 32 km SW of Andalgalá, Argentina | M5.4 | 89 km | 170 km |
| Jun 22, 1998 | 52 km SE of Londres, Argentina | M5.4 | 97 km | 174 km |
| Jun 22, 2011 | 48 km SSW of Andalgalá, Argentina | M5.3 | 84 km | 164 km |
| Sep 25, 2019 | 41 km ESE of Londres, Argentina | M5.3 | 104 km | 157 km |
| Jul 7, 2000 | 55 km SSW of Andalgalá, Argentina | M5.3 | 89 km | 174 km |
| Apr 6, 1997 | 33 km WSW of Capayán, Argentina | M5.3 | 116 km | 29 km |
| May 24, 2019 | 46 km SW of Andalgalá, Argentina | M5.2 | 93 km | 149 km |
| Sep 10, 1993 | 41 km ESE of Londres, Argentina | M5.2 | 103 km | 154 km |
| Jan 19, 2010 | 26 km SW of Aguilares, Argentina | M5.2 | 49 km | 27 km |
| Apr 30, 2000 | 37 km WSW of Tafí del Valle, Argentina | M5.2 | 115 km | 36 km |
| Jul 3, 2006 | 46 km SSW of Andalgalá, Argentina | M5.1 | 79 km | 166 km |
| Sep 20, 2010 | 44 km NW of Pomán, Argentina | M5.1 | 80 km | 188 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 72°F (22°C) | 4.8 in | Wettest |
| February | 73°F (23°C) | 4.3 in | |
| March | 69°F (21°C) | 3.5 in | |
| April | 62°F (17°C) | 1.5 in | |
| May | 56°F (13°C) | 0.8 in | |
| June | 50°F (10°C) | 0.3 in | Coldest, Driest |
| July | 51°F (11°C) | 0.3 in | |
| August | 55°F (13°C) | 0.3 in | |
| September | 61°F (16°C) | 0.4 in | |
| October | 67°F (19°C) | 1.5 in | |
| November | 71°F (22°C) | 2.2 in | |
| December | 75°F (24°C) | 3.1 in | Warmest |
San Antonio has a seasonal temperature swing of 25°F / from 50°F in June to 75°F in December. Total annual precipitation is 22.8 inches, with January being the wettest month (4.8") and June the driest (0.3").