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Weather & Climate in Chilecito, Argentina
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Chilecito enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 77°F in January while summers reach 49°F in July / relatively mild seasonal variation. The area gets 320 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 8.6 inches (drier than the 38-inch national average). The city sits at an elevation of 3,632 feet.
Temperature
77°F Jan (25°C)
49°F Jul (9°C)
| Annual Average | 63.6°F |
| 18% above US avg | |
| January Average | 77°F (25°C) |
| July Average | 49°F (9°C) |
| Sunny Days | 320 days/yr |
Geography
| Elevation | 3,632 ft (1,107 m) |
| Area | 8.5 sq mi (22.1 km²) |
| Population Density | 4,959/sq mi |
| Coordinates | -29.1616°N, 67.4993°W |
| Timezone | America/Argentina/La_Rioja |
Precipitation & Snow
Air Quality
Earthquake History
345 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 | 73 km | 22 km |
| May 25, 1999 | 31 km SE of Londres, Argentina | M5.8 | 148 km | 169 km |
| Apr 21, 2001 | 6 km NNW of Chilecito, Argentina | M5.8 | 7 km | 128 km |
| Apr 9, 2010 | 23 km NNE of Vinchina, Argentina | M5.8 | 91 km | 118 km |
| Mar 27, 2014 | 69 km SW of Vinchina, Argentina | M5.7 | 121 km | 10 km |
| Mar 5, 2020 | 39 km S of Tinogasta, Argentina | M5.5 | 83 km | 106 km |
| Mar 6, 2022 | 54 km WNW of Vinchina, Argentina | M5.5 | 137 km | 105 km |
| Jul 8, 2006 | 57 km SSE of Tinogasta, Argentina | M5.5 | 68 km | 140 km |
| May 1, 2025 | 56 km S of Tinogasta, Argentina | M5.4 | 66 km | 11 km |
| Mar 31, 2001 | 72 km S of Vinchina, Argentina | M5.4 | 85 km | 104 km |
| Apr 15, 2004 | 55 km N of San Agustín de Valle Fértil, Argentina | M5.4 | 109 km | 29 km |
| Jun 29, 1990 | 56 km WNW of Vinchina, Argentina | M5.3 | 138 km | 123 km |
| Apr 6, 1997 | 33 km WSW of Capayán, Argentina | M5.3 | 114 km | 29 km |
| Mar 15, 1991 | 62 km SW of Vinchina, Argentina | M5.3 | 115 km | 114 km |
| Aug 1, 2015 | 48 km ENE of San José de Jáchal, Argentina | M5.2 | 126 km | 10 km |
| Mar 28, 2014 | 75 km SW of Vinchina, Argentina | M5.2 | 127 km | 28 km |
| Mar 13, 2023 | 15 km SSE of Tinogasta, Argentina | M5.2 | 109 km | 129 km |
| Mar 16, 1995 | 51 km SSW of Vinchina, Argentina | M5.1 | 89 km | 112 km |
| Jan 15, 1995 | 62 km W of Vinchina, Argentina | M5.1 | 141 km | 119 km |
| May 19, 2007 | 48 km W of Vinchina, Argentina | M5.0 | 126 km | 112 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 77°F (25°C) | 2.2 in | Warmest, Wettest |
| February | 74°F (24°C) | 1.8 in | |
| March | 70°F (21°C) | 1.4 in | |
| April | 62°F (17°C) | 0.3 in | |
| May | 55°F (13°C) | 0.2 in | |
| June | 49°F (10°C) | 0.1 in | Driest |
| July | 49°F (9°C) | 0.2 in | Coldest |
| August | 54°F (12°C) | 0.1 in | |
| September | 59°F (15°C) | 0.2 in | |
| October | 66°F (19°C) | 0.4 in | |
| November | 72°F (22°C) | 0.6 in | |
| December | 76°F (24°C) | 1.2 in |
Chilecito has a seasonal temperature swing of 28°F / from 49°F in July to 77°F in January. Total annual precipitation is 8.6 inches, with January being the wettest month (2.2") and June the driest (0.1").