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San Juan de Chacña, Peru

Full City Profile

593 Population 4/sq mi density
9,383 ft Elevation 2,860 meters
34°F Avg Temperature 1°C
San Juan de Chacña has a cool climate with an average annual temperature of 34°F (1°C). Winters average 33°F in January while summers reach 35°F in July. The area gets 359 sunny days per year. Annual precipitation totals 82.5 inches. The area receives 275.8 inches of snow annually.

Temperature

33°F Jan (0°C) 35°F Jul (2°C)
Annual Average34.2°F
37% below US avg
January Average33°F (0°C)
July Average35°F (2°C)
Sunny Days359 days/yr

Geography

Elevation9,383 ft (2,860 m)
Area148.8 sq mi (385.3 km²)
Population Density4/sq mi
Coordinates-13.9240°N, 73.1819°W
TimezoneAmerica/Lima

Precipitation & Snow

Annual Rainfall 82.5"
117% above US avg
Snowfall 275.8"
Wettest Month (Jan) 7.24"
Driest Month (Jun) 0.43"

Air Quality

Earthquake History

221 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.0. Most recent: M4.3 on Aug 7, 2025.

Jul 6, 1991 15 km W of Lares, Peru M7.0 141 km
Aug 24, 2014 38 km NW of Aniso, Peru M6.8 86 km
May 23, 2010 4 km WNW of Sacsamarca, Peru M6.1 126 km
May 17, 2025 5 km W of San Pedro, Peru M5.9 139 km
Aug 9, 2001 7 km WSW of Turpay, Peru M5.8 65 km
May 21, 2013 17 km S of Chinchaypujio, Peru M5.8 100 km
Sep 12, 1998 0 km SE of Turpay, Peru M5.6 70 km
May 8, 1991 15 km WSW of Carapo, Peru M5.6 138 km
Dec 8, 2001 3 km NE of Alca, Peru M5.6 141 km
May 10, 1996 18 km WSW of Sacsamarca, Peru M5.5 139 km
Jul 29, 1991 8 km SW of Huacaña, Peru M5.5 89 km
May 16, 2017 25 km WSW of Cotaruse, Peru M5.4 72 km
Mar 7, 2025 12 km NNW of Cayarani, Peru M5.4 142 km
Aug 10, 2001 11 km SSW of Turpay, Peru M5.4 72 km
May 27, 1998 central Peru M5.3 49 km
Oct 15, 2002 7 km W of Pataypampa, Peru M5.3 55 km
Jan 13, 1998 11 km ESE of Umamarca, Peru M5.3 36 km
Jul 27, 1997 0 km WSW of Pomacocha, Peru M5.2 48 km
Apr 13, 2020 7 km SW of Yanaca, Peru M5.2 38 km
Dec 26, 1999 11 km WSW of Curpahuasi, Peru M5.1 48 km
Source: USGS (M2.5+, 1990–2025)

Nearby Volcanoes

2 volcanoes within 200 km. Closest: Andahua-Orcopampa (190 km).

Name Type Elevation Last Eruption Distance
Andahua-Orcopampa Pyroclastic cone(s) 4,713 m (15,463 ft) 1490 190 km
Quimsachata Lava dome 3,693 m (12,116 ft) -4450 200 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 33°F (0°C) 7.2 in Coldest, Wettest
February 48°F (9°C) 7.2 in
March 48°F (9°C) 7.1 in
April 48°F (9°C) 2.7 in
May 46°F (8°C) 1.0 in
June 44°F (7°C) 0.4 in Driest
July 35°F (2°C) 0.5 in
August 44°F (7°C) 0.8 in
September 46°F (8°C) 1.8 in
October 48°F (9°C) 2.0 in
November 49°F (9°C) 2.7 in
December 49°F (9°C) 4.2 in Warmest

San Juan de Chacña has a seasonal temperature swing of 16°F / from 33°F in January to 49°F in December. Total annual precipitation is 37.6 inches, with January being the wettest month (7.2") and June the driest (0.4").

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