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Weather & Climate in Constitución, Chile
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Constitución enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 64°F in January while summers reach 48°F in July / relatively mild seasonal variation. The area gets 277 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 32.4 inches. The city sits at an elevation of 62 feet.
Temperature
64°F Jan (18°C)
48°F Jul (9°C)
| Annual Average | 56.1°F |
| 4% above US avg | |
| January Average | 64°F (18°C) |
| July Average | 48°F (9°C) |
| Sunny Days | 277 days/yr |
Geography
| Elevation | 62 ft (19 m) |
| Area | 748.8 sq mi (1,939.3 km²) |
| Population Density | 55/sq mi |
| Coordinates | -35.3332°N, 72.4116°W |
| Timezone | America/Santiago |
Precipitation & Snow
Air Quality
Earthquake History
3,367 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M8.8.
| Feb 27, 2010 | 2010 Maule, Chile Earthquake | M8.8 | 98 km | 23 km |
| Mar 25, 2012 | 23 km NE of Constitución, Chile | M7.1 | 23 km | 41 km |
| Mar 11, 2010 | 52 km NW of Santa Cruz, Chile | M7.0 | 125 km | 18 km |
| Mar 11, 2010 | 61 km NW of Santa Cruz, Chile | M6.9 | 125 km | 11 km |
| Feb 11, 2011 | 21 km N of Tomé, Chile | M6.9 | 131 km | 26 km |
| Aug 1, 2019 | 96 km SW of San Antonio, Chile | M6.8 | 122 km | 25 km |
| Sep 29, 2019 | 70 km WSW of Constitución, Chile | M6.7 | 70 km | 11 km |
| Mar 16, 2010 | 52 km NNW of Tomé, Chile | M6.7 | 124 km | 18 km |
| Feb 14, 2011 | 38 km W of Constitución, Chile | M6.7 | 39 km | 21 km |
| Mar 30, 2023 | 105 km WSW of Constitución, Chile | M6.3 | 105 km | 26 km |
| Mar 18, 2015 | 75 km NW of Tomé, Chile | M6.2 | 133 km | 13 km |
| Oct 30, 2013 | 89 km W of Constitución, Chile | M6.2 | 89 km | 42 km |
| May 14, 1990 | 18 km ESE of Linares, Chile | M6.2 | 112 km | 76 km |
| Feb 27, 2010 | 54 km NNW of Constitución, Chile | M6.2 | 55 km | 35 km |
| Feb 28, 2010 | 27 km W of Rauco, Chile | M6.2 | 87 km | 46 km |
| Mar 15, 2010 | 76 km NW of Quirihue, Chile | M6.2 | 85 km | 14 km |
| Feb 27, 2010 | 64 km N of Constitución, Chile | M6.1 | 65 km | 35 km |
| Jan 23, 2012 | 24 km NNW of Tomé, Chile | M6.1 | 132 km | 20 km |
| Feb 27, 2010 | 36 km NW of Tomé, Chile | M6.1 | 134 km | 19 km |
| Apr 2, 2010 | 30 km W of Quirihue, Chile | M6.0 | 108 km | 24 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
5 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 | 98 km |
| 1928 | CENTRAL CHILE | Earthquake | 1.5 m | 279 | 53 km |
| 1923 | CENTRAL CHILE | Unknown | 1.5 m | - | 1 km |
| 2011 | CENTRAL CHILE | Earthquake | 0.2 m | - | 142 km |
| 2010 | CENTRAL CHILE | Earthquake | 0.1 m | - | 125 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
8 volcanoes within 200 km. Closest: Descabezado Grande (153 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Descabezado Grande | Stratovolcano(es) | 3,953 m (12,969 ft) | 1933 | 153 km |
| Azul, Cerro | Stratovolcano | 3,788 m (12,428 ft) | 1967 | 154 km |
| San Pedro-Pellado | Stratovolcano(es) | 3,621 m (11,880 ft) | Unknown | 159 km |
| Planchon-Peteroa | Stratovolcano(es) | 3,977 m (13,048 ft) | 2019 | 168 km |
| Calabozos | Caldera | 3,508 m (11,509 ft) | Unknown | 175 km |
| Maule, Laguna del | Caldera | 2,162 m (7,093 ft) | -50 | 191 km |
| Chillan, Nevados de | Stratovolcano | 3,180 m (10,433 ft) | 2020 | 194 km |
| Tinguiririca | Stratovolcano | 4,280 m (14,042 ft) | 1917 | 196 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 64°F (18°C) | 0.2 in | Warmest, Driest |
| February | 63°F (17°C) | 0.2 in | |
| March | 61°F (16°C) | 0.4 in | |
| April | 56°F (14°C) | 1.6 in | |
| May | 53°F (12°C) | 5.2 in | |
| June | 50°F (10°C) | 7.5 in | Wettest |
| July | 48°F (9°C) | 7.1 in | Coldest |
| August | 49°F (9°C) | 4.5 in | |
| September | 52°F (11°C) | 2.5 in | |
| October | 55°F (13°C) | 1.6 in | |
| November | 59°F (15°C) | 0.9 in | |
| December | 63°F (17°C) | 0.6 in |
Constitución has a seasonal temperature swing of 16°F / from 48°F in July to 64°F in January. Total annual precipitation is 32.4 inches, with June being the wettest month (7.5") and January the driest (0.2").