Chilca, Peru

Full City Profile

12,884 Population 70/sq mi density

36 ft Elevation 11 meters

69°F Avg Temperature 21°C

Chilca enjoys a temperate climate with an average annual temperature of 69°F (21°C). Winters average 70°F in January while summers reach 68°F in July. The area gets 363 sunny days per year. Annual precipitation totals 12.6 inches. The area receives 0.0 inches of snow annually.

Temperature

70°F Jan (21°C) 68°F Jul (20°C)

Annual Average	69.3°F
	28% above US avg
January Average	70°F (21°C)
July Average	68°F (20°C)
Sunny Days	363 days/yr

Geography

Elevation	36 ft (11 m)
Area	183.6 sq mi (475.5 km²)
Population Density	70/sq mi
Coordinates	-12.5211°N, 76.7372°W
Timezone	America/Lima

Precipitation & Snow

Annual Rainfall 12.6"

67% below US avg

Snowfall 0.0"

Wettest Month (Jun) 0.39"

Driest Month (Feb) 0.04"

Air Quality

Earthquake History

310 earthquakes (M2.5+) within 150 km since 1990. Strongest: M8.0. Most recent: M5.0 on Jul 8, 2025.

Aug 15, 2007	41 km SW of San Vicente de Cañete, Peru	M8.0	97 km
Apr 18, 1993	15 km SE of Lachaqui, Peru	M6.3	99 km
May 16, 1992	4 km E of San Clemente, Peru	M6.1	145 km
Feb 2, 2009	40 km WNW of Pisco, Peru	M6.0	120 km
Jun 23, 2021	11 km WSW of Mala, Peru	M5.9	21 km
Aug 17, 2007	44 km WNW of Pisco, Peru	M5.9	121 km
Aug 19, 2007	45 km WNW of Pisco, Peru	M5.8	123 km
Aug 16, 2007	38 km SW of San Vicente de Cañete, Peru	M5.8	94 km
May 8, 2003	90 km WSW of Chilca, Peru	M5.7	90 km
Sep 22, 2010	6 km ENE of Chincha Alta, Peru	M5.7	121 km
Apr 21, 2001	51 km WNW of Pisco, Peru	M5.6	115 km
Jan 7, 2022	6 km NW of Cocachacra, Peru	M5.6	75 km
Jun 15, 2025	37 km WSW of Callao, Peru	M5.6	86 km
Aug 16, 2007	22 km SSW of San Vicente de Cañete, Peru	M5.6	86 km
Oct 1, 1996	19 km SSW of Chilca, Peru	M5.6	20 km
Aug 19, 2007	32 km WNW of Pisco, Peru	M5.6	126 km
Aug 16, 2007	43 km WNW of Pisco, Peru	M5.6	119 km
Jun 21, 1995	28 km W of Chancay, Peru	M5.6	139 km
May 28, 2003	33 km SSW of Santiago de Surco, Peru	M5.6	49 km
Nov 25, 2013	12 km SE of Omas, Peru	M5.5	59 km

Source: USGS (M2.5+, 1990–2025)

Tsunami History

9 tsunamis recorded within 500 km. Highest wave on record: 26.0 m (85 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1586	CENTRAL PERU	Earthquake	26.0 m	22	107 km
1746	CENTRAL PERU	Earthquake	24.0 m	5,941	77 km
2007	S. PERU	Earthquake	10.1 m	596	97 km
1865	CENTRAL PERU	Earthquake	2.0 m	5	70 km
1806	CENTRAL PERU	Earthquake	1.0 m	—	61 km
1974	CENTRAL PERU	Earthquake	0.9 m	78	118 km
1878	CENTRAL PERU	Unknown	—	5	65 km
1860	CENTRAL PERU	Earthquake	—	—	61 km
1687	S. PERU	Earthquake	—	5,000	112 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	70°F (21°C)	0.1 in
February	74°F (23°C)	0.0 in	Warmest
March	74°F (23°C)	0.0 in
April	71°F (21°C)	0.0 in	Driest
May	67°F (19°C)	0.1 in
June	64°F (18°C)	0.4 in	Wettest
July	68°F (20°C)	0.4 in
August	61°F (16°C)	0.4 in	Coldest
September	62°F (17°C)	0.2 in
October	64°F (18°C)	0.1 in
November	66°F (19°C)	0.0 in
December	70°F (21°C)	0.0 in

Chilca has a seasonal temperature swing of 13°F / from 61°F in August to 74°F in February. Total annual precipitation is 1.7 inches, with June being the wettest month (0.4") and April the driest (0.0").

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