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Weather & Climate in San Esteban, Chile
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Esteban enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 69°F in January while summers reach 49°F in July / relatively mild seasonal variation. The area gets 310 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 14.4 inches (drier than the 38-inch national average). The city sits at an elevation of 2,759 feet.
Temperature
69°F Jan (20°C)
49°F Jul (9°C)
| Annual Average | 58.0°F |
| 7% above US avg | |
| January Average | 69°F (20°C) |
| July Average | 49°F (9°C) |
| Sunny Days | 310 days/yr |
Geography
| Elevation | 2,759 ft (841 m) |
| Area | 606.1 sq mi (1,569.9 km²) |
| Population Density | 28/sq mi |
| Coordinates | -32.7987°N, 70.5807°W |
| Timezone | America/Santiago |
Precipitation & Snow
Air Quality
Earthquake History
11,293 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.9.
| Apr 24, 2017 | 40 km W of Valparaíso, Chile | M6.9 | 141 km | 28 km |
| Apr 17, 2012 | 22 km NW of Hacienda La Calera, Chile | M6.7 | 76 km | 29 km |
| Sep 21, 2015 | 22 km WSW of Illapel, Chile | M6.6 | 141 km | 35 km |
| Aug 23, 2014 | 23 km WNW of Hacienda La Calera, Chile | M6.4 | 81 km | 32 km |
| Jul 29, 1998 | 16 km NNW of La Ligua, Chile | M6.4 | 85 km | 51 km |
| Jun 16, 2000 | 53 km ESE of Puente Alto, Chile | M6.4 | 128 km | 120 km |
| Feb 27, 2010 | 25 km NW of Cartagena, Chile | M6.2 | 135 km | 31 km |
| Sep 19, 2015 | 79 km W of La Ligua, Chile | M6.2 | 148 km | 18 km |
| Sep 9, 1996 | 47 km SW of Illapel, Chile | M6.0 | 136 km | 39 km |
| Mar 15, 2001 | 28 km WNW of La Ligua, Chile | M6.0 | 101 km | 37 km |
| Feb 22, 1996 | 10 km SW of San Antonio, Chile | M6.0 | 140 km | 43 km |
| Apr 23, 2017 | 37 km W of Valparaíso, Chile | M6.0 | 138 km | 21 km |
| Feb 27, 2010 | 40 km SW of Valparaíso, Chile | M6.0 | 139 km | 35 km |
| Apr 28, 2017 | 37 km WSW of Valparaíso, Chile | M5.9 | 138 km | 22 km |
| Sep 17, 2015 | 13 km NNW of Viña del Mar, Chile | M5.9 | 97 km | 10 km |
| Apr 28, 2017 | 18 km WSW of Valparaíso, Chile | M5.8 | 120 km | 27 km |
| Mar 3, 2010 | 28 km WNW of Cartagena, Chile | M5.8 | 138 km | 39 km |
| Sep 14, 2011 | 40 km NNW of Valparaíso, Chile | M5.8 | 114 km | 37 km |
| Oct 11, 1994 | 44 km NNW of La Ligua, Chile | M5.8 | 112 km | 47 km |
| Jul 9, 2023 | 30 km ENE of Chicureo Abajo, Chile | M5.7 | 51 km | 99 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
7 tsunamis recorded within 500 km. Highest wave on record: 8.0 m (26 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1730 | CENTRAL CHILE | Earthquake | 8.0 m | 5 | 92 km |
| 1822 | CENTRAL CHILE | Earthquake | 3.6 m | 72 | 134 km |
| 1985 | CENTRAL CHILE | Earthquake | 3.5 m | 180 | 112 km |
| 1906 | CENTRAL CHILE | Earthquake | 3.5 m | 4,000 | 134 km |
| 1971 | CENTRAL CHILE | Earthquake | 0.6 m | 83 | 67 km |
| 1973 | CENTRAL CHILE | Earthquake | 0.2 m | - | 92 km |
| 2017 | CENTRAL CHILE | Earthquake | 0.2 m | - | 141 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Tupungatito (101 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Tupungatito | Stratovolcano | 5,660 m (18,570 ft) | 1987 | 101 km |
| San Jose | Stratovolcano(es) | 6,070 m (19,915 ft) | 1960 | 127 km |
| Maipo | Caldera | 5,323 m (17,464 ft) | 1912 | 167 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 69°F (20°C) | 0.1 in | Warmest, Driest |
| February | 68°F (20°C) | 0.3 in | |
| March | 64°F (18°C) | 0.2 in | |
| April | 59°F (15°C) | 0.6 in | |
| May | 53°F (12°C) | 2.8 in | |
| June | 48°F (9°C) | 3.4 in | Coldest, Wettest |
| July | 49°F (9°C) | 2.5 in | |
| August | 50°F (10°C) | 2.7 in | |
| September | 52°F (11°C) | 0.9 in | |
| October | 57°F (14°C) | 0.6 in | |
| November | 62°F (17°C) | 0.2 in | |
| December | 66°F (19°C) | 0.1 in |
San Esteban has a seasonal temperature swing of 21°F / from 48°F in June to 69°F in January. Total annual precipitation is 14.4 inches, with June being the wettest month (3.4") and January the driest (0.1").