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Weather & Climate in Villa Unión, Argentina
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Villa Unión enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 76°F in January while summers reach 47°F in July / relatively mild seasonal variation. The area gets 355 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 7.4 inches (drier than the 38-inch national average). The city sits at an elevation of 3,757 feet.
Temperature
76°F Jan (24°C)
47°F Jul (8°C)
| Annual Average | 60.7°F |
| 12% above US avg | |
| January Average | 76°F (24°C) |
| July Average | 47°F (8°C) |
| Sunny Days | 355 days/yr |
Geography
| Elevation | 3,757 ft (1,145 m) |
| Area | 8.5 sq mi (22.1 km²) |
| Population Density | 0/sq mi |
| Coordinates | -29.3165°N, 68.2275°W |
| Timezone | America/Argentina/La_Rioja |
Precipitation & Snow
Air Quality
Earthquake History
443 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.0.
| May 28, 2002 | 39 km S of Arauco, Argentina | M6.0 | 145 km | 22 km |
| Apr 9, 2010 | 23 km NNE of Vinchina, Argentina | M5.8 | 85 km | 118 km |
| Apr 21, 2001 | 6 km NNW of Chilecito, Argentina | M5.8 | 73 km | 128 km |
| Mar 27, 2014 | 69 km SW of Vinchina, Argentina | M5.7 | 53 km | 10 km |
| Aug 1, 2017 | 71 km WNW of Vinchina, Argentina | M5.6 | 108 km | 110 km |
| Apr 3, 1992 | 118 km ESE of Vallenar, Chile | M5.5 | 141 km | 110 km |
| Mar 6, 2022 | 54 km WNW of Vinchina, Argentina | M5.5 | 98 km | 105 km |
| Mar 5, 2020 | 39 km S of Tinogasta, Argentina | M5.5 | 123 km | 106 km |
| Jul 23, 2011 | 124 km NE of Vicuña, Chile | M5.5 | 143 km | 103 km |
| Jan 3, 2024 | 68 km WNW of Vinchina, Argentina | M5.5 | 112 km | 117 km |
| Jul 8, 2006 | 57 km SSE of Tinogasta, Argentina | M5.5 | 117 km | 140 km |
| May 1, 2025 | 56 km S of Tinogasta, Argentina | M5.4 | 111 km | 11 km |
| Oct 17, 2001 | 75 km WNW of Vinchina, Argentina | M5.4 | 114 km | 117 km |
| Mar 31, 2001 | 72 km S of Vinchina, Argentina | M5.4 | 14 km | 104 km |
| Feb 27, 1991 | 2 km NNW of San José de Jáchal, Argentina | M5.4 | 113 km | 35 km |
| Apr 15, 2004 | 55 km N of San Agustín de Valle Fértil, Argentina | M5.4 | 120 km | 29 km |
| Nov 1, 1992 | 124 km ESE of Vallenar, Chile | M5.4 | 136 km | 110 km |
| Jan 4, 2011 | 128 km WSW of Vinchina, Argentina | M5.3 | 126 km | 110 km |
| Mar 15, 1991 | 62 km SW of Vinchina, Argentina | M5.3 | 49 km | 114 km |
| Jun 29, 1990 | 56 km WNW of Vinchina, Argentina | M5.3 | 96 km | 123 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 76°F (24°C) | 2.0 in | Warmest, Wettest |
| February | 71°F (22°C) | 1.8 in | |
| March | 67°F (19°C) | 1.3 in | |
| April | 59°F (15°C) | 0.4 in | |
| May | 53°F (12°C) | 0.2 in | |
| June | 48°F (9°C) | 0.1 in | Driest |
| July | 47°F (8°C) | 0.1 in | Coldest |
| August | 51°F (11°C) | 0.2 in | |
| September | 57°F (14°C) | 0.2 in | |
| October | 63°F (17°C) | 0.4 in | |
| November | 68°F (20°C) | 0.7 in | |
| December | 72°F (22°C) | 1.2 in |
Villa Unión has a seasonal temperature swing of 29°F / from 47°F in July to 76°F in January. Total annual precipitation is 8.6 inches, with January being the wettest month (2.0") and June the driest (0.1").