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Weather & Climate in Chillán Viejo, Chile
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Chillán Viejo enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 70°F in January while summers reach 48°F in July / relatively mild seasonal variation. The area gets 289 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 54.9 inches (wetter than the 38-inch national average). The city sits at an elevation of 384 feet.
Temperature
70°F Jan (21°C)
48°F Jul (9°C)
| Annual Average | 57.6°F |
| 7% above US avg | |
| January Average | 70°F (21°C) |
| July Average | 48°F (9°C) |
| Sunny Days | 289 days/yr |
Geography
| Elevation | 384 ft (117 m) |
| Area | 3.5 sq mi (9.1 km²) |
| Population Density | 8,187/sq mi |
| Coordinates | -36.6230°N, 72.1319°W |
| Timezone | America/Santiago |
Precipitation & Snow
Air Quality
Earthquake History
1,516 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M8.8.
| Feb 27, 2010 | 2010 Maule, Chile Earthquake | M8.8 | 88 km | 23 km |
| Feb 11, 2011 | 21 km N of Tomé, Chile | M6.9 | 77 km | 26 km |
| Mar 16, 2010 | 52 km NNW of Tomé, Chile | M6.7 | 110 km | 18 km |
| Mar 5, 2010 | 23 km WNW of Talcahuano, Chile | M6.6 | 111 km | 18 km |
| Apr 21, 1990 | 15 km WNW of Coronel, Chile | M6.3 | 112 km | 12 km |
| Mar 18, 2015 | 75 km NW of Tomé, Chile | M6.2 | 137 km | 13 km |
| May 14, 1990 | 18 km ESE of Linares, Chile | M6.2 | 101 km | 76 km |
| Mar 15, 2010 | 76 km NW of Quirihue, Chile | M6.2 | 130 km | 14 km |
| Sep 9, 2010 | 23 km WNW of Lota, Chile | M6.2 | 123 km | 16 km |
| Feb 27, 2010 | 36 km NW of Tomé, Chile | M6.1 | 101 km | 19 km |
| Jan 23, 2012 | 24 km NNW of Tomé, Chile | M6.1 | 84 km | 20 km |
| Mar 3, 2010 | 25 km WNW of Talcahuano, Chile | M6.1 | 110 km | 20 km |
| Feb 12, 2011 | 13 km SSE of Chiguayante, Chile | M6.1 | 86 km | 16 km |
| Mar 5, 2010 | 14 km NW of Talcahuano, Chile | M6.1 | 97 km | 30 km |
| Feb 27, 2010 | 27 km NNW of Yumbel, Chile | M6.0 | 55 km | 35 km |
| Feb 13, 2011 | 9 km NNW of Talcahuano, Chile | M6.0 | 93 km | 17 km |
| Apr 2, 2010 | 30 km W of Quirihue, Chile | M6.0 | 80 km | 24 km |
| Apr 23, 2010 | 26 km W of Nacimiento, Chile | M6.0 | 125 km | 32 km |
| Feb 11, 2011 | 11 km ENE of Arauco, Chile | M5.9 | 114 km | 15 km |
| Feb 27, 2010 | 15 km NW of Angol, Chile | M5.9 | 134 km | 45 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
7 tsunamis recorded within 500 km. Highest wave on record: 29.0 m (95 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2010 | CENTRAL CHILE | Earthquake | 29.0 m | 558 | 88 km |
| 1835 | CENTRAL CHILE | Earthquake | 24.0 m | 53 | 83 km |
| 1751 | CENTRAL CHILE | Earthquake | 3.5 m | 65 | 88 km |
| 1923 | CENTRAL CHILE | Unknown | 1.5 m | — | 146 km |
| 2011 | CENTRAL CHILE | Earthquake | 0.2 m | — | 90 km |
| 1657 | CENTRAL CHILE | Earthquake | — | 40 | 83 km |
| 1570 | CENTRAL CHILE | Earthquake | — | 2,000 | 79 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
13 volcanoes within 200 km. Closest: Chillan, Nevados de (73 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Chillan, Nevados de | Stratovolcano | 3,180 m (10,433 ft) | 2020 | 73 km |
| Antuco | Stratovolcano | 2,979 m (9,774 ft) | 1869 | 111 km |
| San Pedro-Pellado | Stratovolcano(es) | 3,621 m (11,880 ft) | Unknown | 135 km |
| Domuyo | Stratovolcano | 4,702 m (15,427 ft) | Unknown | 152 km |
| Callaqui | Stratovolcano | 3,164 m (10,381 ft) | 1980 | 156 km |
| Maule, Laguna del | Caldera | 2,162 m (7,093 ft) | -50 | 160 km |
| Copahue | Stratovolcano | 2,953 m (9,688 ft) | 2019 | 161 km |
| Azul, Cerro | Stratovolcano | 3,788 m (12,428 ft) | 1967 | 164 km |
| Trolon | Lava dome(s) | 2,360 m (7,743 ft) | Unknown | 165 km |
| Descabezado Grande | Stratovolcano(es) | 3,953 m (12,969 ft) | 1933 | 170 km |
| Calabozos | Caldera | 3,508 m (11,509 ft) | Unknown | 189 km |
| Tolhuaca | Stratovolcano | 2,739 m (8,986 ft) | -4000 | 192 km |
| Tromen | Stratovolcano(es) | 4,114 m (13,497 ft) | 1822 | 196 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 70°F (21°C) | 0.7 in | Warmest |
| February | 66°F (19°C) | 0.6 in | Driest |
| March | 62°F (16°C) | 1.0 in | |
| April | 56°F (13°C) | 2.3 in | |
| May | 51°F (10°C) | 7.8 in | |
| June | 47°F (8°C) | 8.7 in | Coldest, Wettest |
| July | 48°F (9°C) | 8.4 in | |
| August | 47°F (9°C) | 5.6 in | |
| September | 51°F (10°C) | 3.6 in | |
| October | 55°F (13°C) | 2.5 in | |
| November | 60°F (16°C) | 1.5 in | |
| December | 65°F (18°C) | 1.1 in |
Chillán Viejo has a seasonal temperature swing of 23°F / from 47°F in June to 70°F in January. Total annual precipitation is 43.8 inches, with June being the wettest month (8.7") and February the driest (0.6").