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Weather & Climate in Castro Barros, Argentina
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Castro Barros enjoys a temperate climate with an average annual temperature of 69°F (20°C). Winters average 81°F in January while summers reach 54°F in July / relatively mild seasonal variation. The area gets 302 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 18.6 inches (drier than the 38-inch national average). The city sits at an elevation of 774 feet.
Temperature
81°F Jan (27°C)
54°F Jul (12°C)
| Annual Average | 68.7°F |
| 27% above US avg | |
| January Average | 81°F (27°C) |
| July Average | 54°F (12°C) |
| Sunny Days | 302 days/yr |
Geography
| Elevation | 774 ft (236 m) |
| Area | 0.2 sq mi (0.5 km²) |
| Population Density | 22,747/sq mi |
| Coordinates | -30.5802°N, 65.7263°W |
| Timezone | America/Argentina/La_Rioja |
Precipitation & Snow
Air Quality
Earthquake History
65 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.6.
| Sep 9, 2016 | 70 km W of Salsacate, Argentina | M5.6 | 89 km | 158 km |
| Oct 12, 2017 | 45 km SSW of Serrezuela, Argentina | M5.5 | 47 km | 166 km |
| Mar 15, 2009 | 35 km NW of San Carlos, Argentina | M5.2 | 55 km | 179 km |
| Aug 14, 1992 | 22 km SSE of Serrezuela, Argentina | M5.2 | 50 km | 194 km |
| Jan 28, 2003 | 21 km E of Serrezuela, Argentina | M5.1 | 55 km | 168 km |
| Sep 24, 2024 | 57 km W of Salsacate, Argentina | M5.0 | 86 km | 152 km |
| Feb 28, 2023 | La Rioja-Cordoba border region, Argentina | M5.0 | 68 km | 10 km |
| Feb 17, 2009 | 22 km NNE of Serrezuela, Argentina | M4.9 | 45 km | 180 km |
| Sep 16, 2010 | 38 km SSW of Serrezuela, Argentina | M4.9 | 40 km | 173 km |
| Jul 31, 1993 | 71 km S of Castro Barros, Argentina | M4.9 | 72 km | 170 km |
| Jun 8, 2014 | 101 km NNW of Candelaria, Argentina | M4.9 | 103 km | 11 km |
| Jul 4, 1993 | 15 km N of Villa de Soto, Argentina | M4.8 | 72 km | 188 km |
| Feb 3, 2010 | 69 km NW of Candelaria, Argentina | M4.7 | 130 km | 129 km |
| Dec 28, 2012 | 9 km ENE of Salsacate, Argentina | M4.7 | 106 km | 10 km |
| Jun 26, 2020 | 33 km NW of San Carlos, Argentina | M4.7 | 55 km | 183 km |
| Sep 12, 2013 | 3 km E of Mina Clavero, Argentina | M4.7 | 146 km | 20 km |
| Jan 25, 2010 | 85 km NW of Candelaria, Argentina | M4.6 | 126 km | 138 km |
| Feb 12, 2007 | 28 km W of Villa de Soto, Argentina | M4.6 | 55 km | 178 km |
| Aug 13, 2011 | 33 km S of Serrezuela, Argentina | M4.6 | 48 km | 165 km |
| Jun 28, 2012 | 111 km NW of Candelaria, Argentina | M4.6 | 137 km | 116 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 81°F (27°C) | 3.7 in | Warmest, Wettest |
| February | 79°F (26°C) | 3.3 in | |
| March | 75°F (24°C) | 2.4 in | |
| April | 68°F (20°C) | 1.2 in | |
| May | 61°F (16°C) | 0.6 in | |
| June | 55°F (13°C) | 0.3 in | Driest |
| July | 54°F (12°C) | 0.3 in | Coldest |
| August | 59°F (15°C) | 0.4 in | |
| September | 65°F (18°C) | 0.5 in | |
| October | 72°F (22°C) | 1.1 in | |
| November | 76°F (25°C) | 2.0 in | |
| December | 81°F (27°C) | 3.0 in |
Castro Barros has a seasonal temperature swing of 27°F / from 54°F in July to 81°F in January. Total annual precipitation is 18.6 inches, with January being the wettest month (3.7") and June the driest (0.3").