San Mateo, Peru

Full City Profile

3,669 Population 39/sq mi density

10,364 ft Elevation 3,159 meters

68°F Avg Temperature 20°C

San Mateo enjoys a temperate climate with an average annual temperature of 68°F (20°C). Winters average 84°F in January while summers reach 70°F in July. The area gets 344 sunny days per year. Annual precipitation totals 53.9 inches. The area receives 0.0 inches of snow annually.

Temperature

84°F Jan (29°C) 70°F Jul (21°C)

Annual Average	68.3°F
	26% above US avg
January Average	84°F (29°C)
July Average	70°F (21°C)
Sunny Days	344 days/yr

Geography

Elevation	10,364 ft (3,159 m)
Area	94.8 sq mi (245.5 km²)
Population Density	39/sq mi
Coordinates	-11.7594°N, 76.3006°W
Timezone	America/Lima

Precipitation & Snow

Annual Rainfall 53.9"

42% above US avg

Snowfall 0.0"

Wettest Month (Mar) 5.20"

Driest Month (Jun) 0.10"

Air Quality

Earthquake History

186 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.3. Most recent: M5.6 on Jun 15, 2025.

Apr 18, 1993	15 km SE of Lachaqui, Peru	M6.3	28 km
Jun 23, 2021	11 km WSW of Mala, Peru	M5.9	115 km
Jan 7, 2022	6 km NW of Cocachacra, Peru	M5.6	32 km
May 28, 2003	33 km SSW of Santiago de Surco, Peru	M5.6	118 km
Jun 21, 1995	28 km W of Chancay, Peru	M5.6	136 km
Oct 1, 1996	19 km SSW of Chilca, Peru	M5.6	117 km
Jun 15, 2025	37 km WSW of Callao, Peru	M5.6	133 km
Oct 4, 1999	21 km ENE of Paucartambo, Peru	M5.6	140 km
Nov 25, 2013	12 km SE of Omas, Peru	M5.5	94 km
Dec 25, 1998	9 km SE of Chancay, Peru	M5.4	100 km
May 12, 2022	9 km W of San Bartolo, Peru	M5.4	93 km
Feb 17, 2005	7 km W of Carhuamayo, Peru	M5.4	95 km
Nov 6, 1992	18 km NNW of Mucllo, Peru	M5.3	131 km
Mar 18, 1999	21 km NNE of Huancaya, Peru	M5.3	72 km
Mar 29, 2008	14 km SSW of Callao, Peru	M5.3	105 km
Jun 3, 2014	20 km W of Chilca, Peru	M5.2	108 km
Feb 15, 2024	13 km NW of Chancay, Peru	M5.2	119 km
May 17, 2018	7 km E of Mala, Peru	M5.2	105 km
Aug 1, 2009	8 km SSW of Chambara, Peru	M5.2	104 km
Mar 20, 1998	54 km W of Callao, Peru	M5.2	149 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	74 km
1746	CENTRAL PERU	Earthquake	24.0 m	5,941	101 km
1865	CENTRAL PERU	Earthquake	2.0 m	5	91 km
1806	CENTRAL PERU	Earthquake	1.0 m	—	95 km
1878	CENTRAL PERU	Unknown	—	5	81 km
1860	CENTRAL PERU	Earthquake	—	—	95 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	84°F (29°C)	3.8 in	Warmest
February	47°F (8°C)	5.0 in
March	47°F (8°C)	5.2 in	Wettest
April	46°F (8°C)	2.0 in
May	44°F (6°C)	0.4 in
June	41°F (5°C)	0.1 in	Driest
July	70°F (21°C)	0.1 in
August	41°F (5°C)	0.2 in	Coldest
September	43°F (6°C)	0.6 in
October	45°F (7°C)	1.4 in
November	45°F (7°C)	1.4 in
December	46°F (8°C)	2.7 in

San Mateo has a seasonal temperature swing of 43°F / from 41°F in August to 84°F in January. Total annual precipitation is 22.9 inches, with March being the wettest month (5.2") and June the driest (0.1").

View full weather details →