Weather & Climate in Santiago de Cao, Peru

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Santiago de Cao has a warm climate with an average annual temperature of 73°F (23°C). Winters average 71°F in January while summers reach 71°F in July / relatively mild seasonal variation. The area gets 356 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 10.1 inches (drier than the 38-inch national average). The city sits at an elevation of 59 feet.

Temperature

71°F Jan (22°C) 71°F Jul (22°C)

Annual Average	72.5°F
	34% above US avg
January Average	71°F (22°C)
July Average	71°F (22°C)
Sunny Days	356 days/yr

Geography

Elevation	59 ft (18 m)
Area	54.3 sq mi (140.6 km²)
Population Density	405/sq mi
Coordinates	-7.9589°N, 79.2392°W
Timezone	America/Lima

Precipitation & Snow

Annual Rainfall 10.1"

73% below US avg

Snowfall 0.0"

Wettest Month (Feb) 0.12"

Driest Month (Apr) 0.04"

Air Quality

Earthquake History

144 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.8.

Nov 13, 2000	79 km WSW of Santiago de Cao, Peru	M5.8	80 km	33 km
Jul 29, 2021	90 km WSW of Santiago de Cao, Peru	M5.8	91 km	23 km
Jul 4, 2010	146 km WSW of Santiago de Cao, Peru	M5.7	147 km	29 km
Apr 26, 2015	76 km WSW of Santiago de Cao, Peru	M5.6	77 km	22 km
Dec 14, 1994	119 km WSW of Santiago de Cao, Peru	M5.6	119 km	33 km
Aug 7, 2005	84 km SW of Pacasmayo, Peru	M5.4	87 km	33 km
Feb 25, 2020	86 km W of Santiago de Cao, Peru	M5.3	87 km	28 km
Feb 3, 2024	83 km W of Santiago de Cao, Peru	M5.2	84 km	35 km
Jan 15, 2019	44 km W of Puerto Santa, Peru	M5.2	111 km	58 km
Jul 20, 2020	92 km WSW of Santiago de Cao, Peru	M5.1	93 km	32 km
Mar 18, 2002	109 km SW of Santiago de Cao, Peru	M5.1	109 km	49 km
Jun 24, 2022	near the coast of northern Peru	M5.1	97 km	73 km
May 15, 2014	16 km NNW of Paiján, Peru	M5.1	42 km	64 km
Aug 13, 2025	36 km W of Puerto Santa, Peru	M5.0	112 km	68 km
Jul 23, 1997	33 km WSW of Chimbote, Peru	M5.0	148 km	66 km
Oct 16, 2016	28 km SW of Pimentel, Peru	M5.0	144 km	41 km
May 15, 2012	97 km SW of Huanchaquito Alto, Peru	M4.9	97 km	50 km
Jan 9, 2024	59 km WSW of Santiago de Cao, Peru	M4.9	60 km	54 km
Jan 7, 1993	112 km SW of Pacasmayo, Peru	M4.9	128 km	40 km
May 13, 2013	136 km WSW of Santiago de Cao, Peru	M4.9	136 km	38 km

Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tsunami History

2 tsunamis recorded within 500 km. Highest wave on record: 0.5 m (2 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1970	N. PERU	Earthquake	0.5 m	66,794	146 km
1678	CENTRAL PERU	Earthquake	—	—	119 km

Source: NOAA/NCEI Historical Tsunami Database.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	71°F (22°C)	0.1 in
February	74°F (23°C)	0.1 in	Warmest, Wettest
March	74°F (23°C)	0.1 in
April	71°F (22°C)	0.0 in
May	68°F (20°C)	0.0 in
June	66°F (19°C)	0.0 in	Driest
July	71°F (22°C)	0.0 in
August	64°F (18°C)	0.0 in	Coldest
September	64°F (18°C)	0.0 in
October	65°F (18°C)	0.0 in
November	66°F (19°C)	0.0 in
December	69°F (21°C)	0.0 in

Santiago de Cao has a seasonal temperature swing of 10°F / from 64°F in August to 74°F in February. Total annual precipitation is 0.5 inches, with February being the wettest month (0.1") and June the driest (0.0").

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