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Weather & Climate in Chanco, Chile
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Chanco enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 63°F in January while summers reach 49°F in July / relatively mild seasonal variation. The area gets 278 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 32.2 inches. The city sits at an elevation of 128 feet.
Temperature
63°F Jan (17°C)
49°F Jul (10°C)
| Annual Average | 55.8°F |
| 3% above US avg | |
| January Average | 63°F (17°C) |
| July Average | 49°F (10°C) |
| Sunny Days | 278 days/yr |
Geography
| Elevation | 128 ft (39 m) |
| Area | 271.3 sq mi (702.6 km²) |
| Population Density | 33/sq mi |
| Coordinates | -35.7367°N, 72.5331°W |
| Timezone | America/Santiago |
Precipitation & Snow
Air Quality
Earthquake History
2,652 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M8.8.
| Feb 27, 2010 | 2010 Maule, Chile Earthquake | M8.8 | 54 km | 23 km |
| Mar 25, 2012 | 23 km NE of Constitución, Chile | M7.1 | 66 km | 41 km |
| Feb 11, 2011 | 21 km N of Tomé, Chile | M6.9 | 85 km | 26 km |
| Sep 29, 2019 | 70 km WSW of Constitución, Chile | M6.7 | 64 km | 11 km |
| Feb 14, 2011 | 38 km W of Constitución, Chile | M6.7 | 48 km | 21 km |
| Mar 16, 2010 | 52 km NNW of Tomé, Chile | M6.7 | 84 km | 18 km |
| Mar 5, 2010 | 23 km WNW of Talcahuano, Chile | M6.6 | 128 km | 18 km |
| Jun 20, 2015 | 74 km WNW of Talcahuano, Chile | M6.4 | 134 km | 11 km |
| Mar 30, 2023 | 105 km WSW of Constitución, Chile | M6.3 | 87 km | 26 km |
| Mar 18, 2015 | 75 km NW of Tomé, Chile | M6.2 | 99 km | 13 km |
| May 14, 1990 | 18 km ESE of Linares, Chile | M6.2 | 103 km | 76 km |
| Mar 15, 2010 | 76 km NW of Quirihue, Chile | M6.2 | 57 km | 14 km |
| Oct 30, 2013 | 89 km W of Constitución, Chile | M6.2 | 91 km | 42 km |
| Feb 28, 2010 | 27 km W of Rauco, Chile | M6.2 | 125 km | 46 km |
| Feb 27, 2010 | 54 km NNW of Constitución, Chile | M6.2 | 97 km | 35 km |
| Feb 12, 2011 | 13 km SSE of Chiguayante, Chile | M6.1 | 148 km | 16 km |
| Feb 27, 2010 | 36 km NW of Tomé, Chile | M6.1 | 92 km | 19 km |
| Mar 5, 2010 | 14 km NW of Talcahuano, Chile | M6.1 | 117 km | 30 km |
| Jan 23, 2012 | 24 km NNW of Tomé, Chile | M6.1 | 87 km | 20 km |
| Mar 3, 2010 | 25 km WNW of Talcahuano, Chile | M6.1 | 122 km | 20 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
8 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 | 54 km |
| 1835 | CENTRAL CHILE | Earthquake | 24.0 m | 53 | 130 km |
| 1751 | CENTRAL CHILE | Earthquake | 3.5 m | 65 | 147 km |
| 1928 | CENTRAL CHILE | Earthquake | 1.5 m | 279 | 95 km |
| 1923 | CENTRAL CHILE | Unknown | 1.5 m | - | 46 km |
| 2011 | CENTRAL CHILE | Earthquake | 0.2 m | - | 98 km |
| 1657 | CENTRAL CHILE | Earthquake | - | 40 | 130 km |
| 1570 | CENTRAL CHILE | Earthquake | - | 2,000 | 120 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
7 volcanoes within 200 km. Closest: San Pedro-Pellado (154 km).
| Name | Type | Elevation | Last Eruption | Distance |
| San Pedro-Pellado | Stratovolcano(es) | 3,621 m (11,880 ft) | Unknown | 154 km |
| Azul, Cerro | Stratovolcano | 3,788 m (12,428 ft) | 1967 | 160 km |
| Descabezado Grande | Stratovolcano(es) | 3,953 m (12,969 ft) | 1933 | 162 km |
| Chillan, Nevados de | Stratovolcano | 3,180 m (10,433 ft) | 2020 | 163 km |
| Calabozos | Caldera | 3,508 m (11,509 ft) | Unknown | 185 km |
| Planchon-Peteroa | Stratovolcano(es) | 3,977 m (13,048 ft) | 2019 | 187 km |
| Maule, Laguna del | Caldera | 2,162 m (7,093 ft) | -50 | 187 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 63°F (17°C) | 0.3 in | Warmest |
| February | 63°F (17°C) | 0.3 in | Driest |
| March | 60°F (16°C) | 0.5 in | |
| April | 56°F (13°C) | 1.6 in | |
| May | 52°F (11°C) | 5.6 in | |
| June | 50°F (10°C) | 7.7 in | Wettest |
| July | 49°F (10°C) | 6.6 in | Coldest |
| August | 50°F (10°C) | 3.9 in | |
| September | 52°F (11°C) | 2.7 in | |
| October | 55°F (13°C) | 1.5 in | |
| November | 58°F (14°C) | 0.9 in | |
| December | 62°F (16°C) | 0.6 in |
Chanco has a seasonal temperature swing of 14°F / from 49°F in July to 63°F in January. Total annual precipitation is 32.3 inches, with June being the wettest month (7.7") and February the driest (0.3").