San Juan, Peru

Full City Profile

146 Population 0/sq mi density

8,028 ft Elevation 2,447 meters

70°F Avg Temperature 21°C

San Juan enjoys a temperate climate with an average annual temperature of 70°F (21°C). Winters average 68°F in January while summers reach 70°F in July. The area gets 350 sunny days per year. Annual precipitation totals 69.3 inches. The area receives 208.0 inches of snow annually.

Temperature

68°F Jan (20°C) 70°F Jul (21°C)

Annual Average	69.7°F
	29% above US avg
January Average	68°F (20°C)
July Average	70°F (21°C)
Sunny Days	350 days/yr

Geography

Elevation	8,028 ft (2,447 m)
Area	1,153.7 sq mi (2,988.0 km²)
Population Density	0/sq mi
Coordinates	-13.2035°N, 75.6346°W
Timezone	America/Lima

Precipitation & Snow

Annual Rainfall 69.3"

82% above US avg

Snowfall 208.0"

Wettest Month (Mar) 4.80"

Driest Month (Aug) 0.04"

Air Quality

Earthquake History

401 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	107 km
Aug 16, 2007	46 km WSW of Santiago, Peru	M6.4	131 km
Jan 30, 2012	6 km ESE of Pampa de Tate, Peru	M6.4	107 km
Apr 5, 1991	21 km ESE of Pampa de Tate, Peru	M6.3	115 km
May 16, 1992	4 km E of San Clemente, Peru	M6.1	73 km
Mar 15, 2014	24 km SSW of Paracas, Peru	M6.1	122 km
Feb 2, 2009	40 km WNW of Pisco, Peru	M6.0	108 km
Aug 18, 2007	7 km NNW of Paracas, Peru	M6.0	98 km
Aug 16, 2007	46 km S of Paracas, Peru	M6.0	136 km
Jun 23, 2021	11 km WSW of Mala, Peru	M5.9	130 km
Feb 18, 2014	10 km ESE of Pampa de Tate, Peru	M5.9	107 km
Aug 17, 2007	44 km WNW of Pisco, Peru	M5.9	114 km
Aug 16, 2007	25 km W of Santiago, Peru	M5.8	119 km
Aug 19, 2007	45 km WNW of Pisco, Peru	M5.8	116 km
Aug 16, 2007	38 km SW of San Vicente de Cañete, Peru	M5.8	106 km
Jul 2, 2012	29 km SSE of Santiago, Peru	M5.7	136 km
Sep 22, 2010	6 km ENE of Chincha Alta, Peru	M5.7	52 km
Apr 21, 2001	51 km WNW of Pisco, Peru	M5.6	117 km
Aug 19, 2007	32 km WNW of Pisco, Peru	M5.6	105 km
Aug 16, 2007	22 km SSW of San Vicente de Cañete, Peru	M5.6	93 km

Source: USGS (M2.5+, 1990–2025)

Tsunami History

2 tsunamis recorded within 500 km. Highest wave on record: 10.1 m (33 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
2007	S. PERU	Earthquake	10.1 m	596	107 km
1687	S. PERU	Earthquake	—	5,000	99 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	68°F (20°C)	3.4 in
February	55°F (13°C)	4.1 in
March	54°F (12°C)	4.8 in	Wettest
April	54°F (12°C)	0.8 in
May	52°F (11°C)	0.1 in
June	49°F (10°C)	0.0 in	Coldest, Driest
July	70°F (21°C)	0.0 in	Warmest
August	50°F (10°C)	0.0 in
September	51°F (11°C)	0.1 in
October	53°F (12°C)	0.4 in
November	54°F (12°C)	0.4 in
December	54°F (12°C)	1.4 in

San Juan has a seasonal temperature swing of 21°F / from 49°F in June to 70°F in July. Total annual precipitation is 15.6 inches, with March being the wettest month (4.8") and June the driest (0.0").

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