Huayllay, Peru

Full City Profile

6,736 Population 182/sq mi density

14,173 ft Elevation 4,320 meters

39°F Avg Temperature 4°C

Huayllay has a cool climate with an average annual temperature of 39°F (4°C). Winters average 45°F in January while summers reach 38°F in July. The area gets 339 sunny days per year. Annual precipitation totals 57.3 inches. The area receives 300.3 inches of snow annually.

Temperature

45°F Jan (7°C) 38°F Jul (3°C)

Annual Average	38.7°F
	28% below US avg
January Average	45°F (7°C)
July Average	38°F (3°C)
Sunny Days	339 days/yr

Geography

Elevation	14,173 ft (4,320 m)
Area	37.1 sq mi (96.1 km²)
Population Density	182/sq mi
Coordinates	-11.0037°N, 76.3645°W
Timezone	America/Lima

Precipitation & Snow

Annual Rainfall 57.3"

51% above US avg

Snowfall 300.3"

Wettest Month (Feb) 6.00"

Driest Month (Jun) 0.60"

Air Quality

Earthquake History

163 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	74 km
Apr 29, 1991	18 km SSW of Huacho, Peru	M5.9	145 km
Oct 4, 1999	21 km ENE of Paucartambo, Peru	M5.6	87 km
Jan 7, 2022	6 km NW of Cocachacra, Peru	M5.6	99 km
Jun 21, 1995	28 km W of Chancay, Peru	M5.6	140 km
Dec 25, 1998	9 km SE of Chancay, Peru	M5.4	116 km
Jul 1, 2008	26 km NNW of Oxapampa, Peru	M5.4	117 km
Feb 17, 2005	7 km W of Carhuamayo, Peru	M5.4	30 km
Nov 6, 1992	18 km NNW of Mucllo, Peru	M5.3	143 km
Mar 18, 1999	21 km NNE of Huancaya, Peru	M5.3	136 km
Feb 15, 2024	13 km NW of Chancay, Peru	M5.2	121 km
Apr 10, 2013	2 km WSW of Villa Rica, Peru	M5.1	121 km
Feb 21, 2006	32 km N of Oxapampa, Peru	M5.1	128 km
Apr 7, 2001	3 km E of Oxapampa, Peru	M5.1	119 km
May 7, 1997	1 km WSW of Oxapampa, Peru	M5.1	114 km
Oct 18, 1994	1 km SE of Villa Rica, Peru	M5.0	124 km
Apr 3, 2024	22 km NNW of Oxapampa, Peru	M5.0	120 km
Dec 31, 2012	16 km W of Sayán, Peru	M4.9	108 km
Oct 9, 1991	33 km WNW of Chancay, Peru	M4.9	136 km
Nov 4, 2012	22 km NNE of Huancaya, Peru	M4.9	136 km

Source: USGS (M2.5+, 1990–2025)

Tsunami History

6 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	23 km
1746	CENTRAL PERU	Earthquake	24.0 m	5,941	143 km
1865	CENTRAL PERU	Earthquake	2.0 m	5	137 km
1806	CENTRAL PERU	Earthquake	1.0 m	—	146 km
1878	CENTRAL PERU	Unknown	—	5	131 km
1860	CENTRAL PERU	Earthquake	—	—	146 km

Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	45°F (7°C)	5.5 in	Warmest
February	44°F (6°C)	6.0 in	Wettest
March	44°F (6°C)	5.9 in
April	43°F (6°C)	3.3 in
May	42°F (5°C)	1.5 in
June	40°F (4°C)	0.6 in	Driest
July	38°F (3°C)	0.6 in	Coldest
August	40°F (4°C)	1.1 in
September	41°F (5°C)	2.2 in
October	43°F (6°C)	3.7 in
November	43°F (6°C)	3.7 in
December	44°F (6°C)	4.9 in

Huayllay has a seasonal temperature swing of 7°F / from 38°F in July to 45°F in January. Total annual precipitation is 39.0 inches, with February being the wettest month (6.0") and June the driest (0.6").

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