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Mallay, Peru

Full City Profile

522 Population 1/sq mi density
11,923 ft Elevation 3,634 meters
42°F Avg Temperature 6°C
Mallay has a cool climate with an average annual temperature of 42°F (6°C). Winters average 40°F in January while summers reach 41°F in July. The area gets 348 sunny days per year. Annual precipitation totals 83.1 inches. The area receives 58.6 inches of snow annually.

Temperature

40°F Jan (5°C) 41°F Jul (5°C)
Annual Average41.9°F
22% below US avg
January Average40°F (5°C)
July Average41°F (5°C)
Sunny Days348 days/yr

Geography

Elevation11,923 ft (3,634 m)
Area457.0 sq mi (1,183.6 km²)
Population Density1/sq mi
Coordinates-10.7228°N, 76.8718°W
TimezoneAmerica/Lima

Precipitation & Snow

Annual Rainfall 83.1"
119% above US avg
Snowfall 58.6"
Wettest Month (Mar) 5.67"
Driest Month (Jun) 0.12"

Air Quality

Earthquake History

119 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.3. Most recent: M4.6 on May 2, 2025.

Apr 18, 1993 15 km SE of Lachaqui, Peru M6.3 110 km
Apr 29, 1991 18 km SSW of Huacho, Peru M5.9 106 km
Jan 7, 2022 6 km NW of Cocachacra, Peru M5.6 131 km
Jun 21, 1995 28 km W of Chancay, Peru M5.6 116 km
Oct 4, 1999 21 km ENE of Paucartambo, Peru M5.6 135 km
Feb 17, 2005 7 km W of Carhuamayo, Peru M5.4 87 km
Dec 25, 1998 9 km SE of Chancay, Peru M5.4 108 km
Apr 1, 2015 30 km WNW of Paramonga, Peru M5.3 134 km
Feb 15, 2024 13 km NW of Chancay, Peru M5.2 100 km
Jul 18, 2016 17 km SW of Caleta de Carquín, Peru M5.2 109 km
Mar 28, 2010 14 km SE of Huarmey, Peru M5.2 144 km
Mar 31, 2022 40 km W of Caleta de Carquín, Peru M5.1 132 km
May 12, 2020 37 km WNW of Paramonga, Peru M5.0 143 km
Jul 28, 2007 34 km SW of Supe Puerto, Peru M5.0 124 km
Aug 13, 2019 12 km WNW of Ticllos, Peru M4.9 74 km
May 22, 2018 13 km WSW of Végueta, Peru M4.9 104 km
Dec 31, 2012 16 km W of Sayán, Peru M4.9 71 km
Mar 2, 2005 10 km SSE of Santa Rosa de Sacco, Peru M4.9 147 km
Oct 9, 1991 33 km WNW of Chancay, Peru M4.9 106 km
Mar 19, 2012 33 km W of Végueta, Peru M4.8 123 km
Source: USGS (M2.5+, 1990–2025)

Tsunami History

4 tsunamis recorded within 500 km. Highest wave on record: 30.0 m (98 ft).

Year Location Cause Max Wave Deaths Distance
1971 CHUNGAR Meteorological 30.0 m 600 59 km
1746 CENTRAL PERU Earthquake 24.0 m 5,941 146 km
1865 CENTRAL PERU Earthquake 2.0 m 5 144 km
1878 CENTRAL PERU Unknown 5 143 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 40°F (5°C) 4.4 in Coldest
February 45°F (7°C) 5.2 in Warmest
March 45°F (7°C) 5.7 in Wettest
April 44°F (7°C) 2.4 in
May 43°F (6°C) 0.6 in
June 41°F (5°C) 0.1 in Driest
July 41°F (5°C) 0.1 in
August 41°F (5°C) 0.3 in
September 42°F (6°C) 0.8 in
October 43°F (6°C) 2.0 in
November 44°F (7°C) 2.0 in
December 44°F (7°C) 3.0 in

Mallay has a seasonal temperature swing of 5°F / from 40°F in January to 45°F in February. Total annual precipitation is 26.5 inches, with March being the wettest month (5.7") and June the driest (0.1").

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