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Aco, Peru

Full City Profile

284 Population 1/sq mi density
10,906 ft Elevation 3,324 meters
45°F Avg Temperature 7°C
Aco has a cool climate with an average annual temperature of 45°F (7°C). Winters average 43°F in January while summers reach 46°F in July. The area gets 352 sunny days per year. Annual precipitation totals 87.5 inches. The area receives 0.4 inches of snow annually.

Temperature

43°F Jan (6°C) 46°F Jul (8°C)
Annual Average44.9°F
17% below US avg
January Average43°F (6°C)
July Average46°F (8°C)
Sunny Days352 days/yr

Geography

Elevation10,906 ft (3,324 m)
Area540.2 sq mi (1,399.2 km²)
Population Density1/sq mi
Coordinates-8.5231°N, 77.8776°W
TimezoneAmerica/Lima

Precipitation & Snow

Annual Rainfall 87.5"
130% above US avg
Snowfall 0.4"
Wettest Month (Mar) 3.15"
Driest Month (Jun) 0.12"

Air Quality

Earthquake History

62 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.0. Most recent: M5.0 on Aug 13, 2025.

Apr 11, 2005 18 km ENE of Shirac, Peru M6.0 137 km
Jan 3, 2010 16 km E of Huallanca, Peru M5.7 36 km
May 12, 1992 40 km W of Puerto Casma, Peru M5.7 147 km
Oct 18, 1992 25 km SW of Chimbote, Peru M5.2 124 km
May 8, 2017 21 km NW of Tocache, Peru M5.2 144 km
Jan 15, 2019 44 km W of Puerto Santa, Peru M5.2 137 km
Jun 24, 2022 near the coast of northern Peru M5.1 145 km
Mar 21, 2015 33 km SSW of Chimbote, Peru M5.1 131 km
Oct 19, 1992 30 km S of Puerto Casma, Peru M5.1 147 km
Jul 23, 1997 33 km WSW of Chimbote, Peru M5.0 133 km
Feb 19, 2024 33 km SSW of Chimbote, Peru M5.0 131 km
Aug 13, 2025 36 km W of Puerto Santa, Peru M5.0 128 km
Mar 15, 1996 17 km ENE of Caraz, Peru M5.0 57 km
Aug 8, 2002 13 km S of Puente Viru, Peru M4.9 97 km
Jul 20, 2016 15 km E of Virú, Peru M4.9 82 km
Apr 7, 1994 56 km SW of Victor Raul, Peru M4.9 148 km
Oct 9, 1999 48 km SW of Chimbote, Peru M4.8 148 km
Aug 25, 2009 23 km ENE of Sartimbamba, Peru M4.7 108 km
Nov 19, 1998 2 km S of Coishco, Peru M4.7 100 km
May 7, 2015 5 km ENE of Sitabamba, Peru M4.7 61 km
Source: USGS (M2.5+, 1990–2025)

Tsunami History

3 tsunamis recorded within 500 km. Highest wave on record: 23.0 m (75 ft).

Year Location Cause Max Wave Deaths Distance
2010 513 LAKE, HUALCAN GLACIER Meteorological 23.0 m 1 88 km
1970 N. PERU Earthquake 0.5 m 66,794 126 km
1678 CENTRAL PERU Earthquake 134 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 43°F (6°C) 2.1 in Coldest
February 55°F (13°C) 2.4 in
March 55°F (13°C) 3.2 in Wettest
April 55°F (13°C) 1.6 in
May 54°F (12°C) 0.5 in
June 53°F (12°C) 0.1 in Driest
July 46°F (8°C) 0.1 in
August 54°F (12°C) 0.2 in
September 54°F (12°C) 0.7 in
October 55°F (13°C) 1.6 in
November 55°F (13°C) 1.5 in Warmest
December 55°F (13°C) 1.7 in

Aco has a seasonal temperature swing of 13°F / from 43°F in January to 55°F in November. Total annual precipitation is 15.6 inches, with March being the wettest month (3.2") and June the driest (0.1").

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