San Juan, Peru

Full City Profile

908 Population 6/sq mi density

8,904 ft Elevation 2,714 meters

54°F Avg Temperature 12°C

San Juan experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 52°F in January while summers reach 54°F in July. The area gets 350 sunny days per year. Annual precipitation totals 108.8 inches. The area receives 0.0 inches of snow annually.

Temperature

52°F Jan (11°C) 54°F Jul (12°C)

Annual Average	54.0°F
	0% below US avg
January Average	52°F (11°C)
July Average	54°F (12°C)
Sunny Days	350 days/yr

Geography

Elevation	8,904 ft (2,714 m)
Area	151.5 sq mi (392.5 km²)
Population Density	6/sq mi
Coordinates	-7.2918°N, 78.4976°W
Timezone	America/Lima

Precipitation & Snow

Annual Rainfall 108.8"

186% above US avg

Snowfall 0.0"

Wettest Month (Mar) 4.84"

Driest Month (Jul) 0.35"

Air Quality

Earthquake History

38 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.0. Most recent: M4.5 on Sep 12, 2024.

Apr 11, 2005	18 km ENE of Shirac, Peru	M6.0	68 km
May 15, 2014	16 km NNW of Paiján, Peru	M5.1	102 km
Jul 20, 2016	15 km E of Virú, Peru	M4.9	124 km
Mar 7, 2019	8 km NE of Miracosta, Peru	M4.9	134 km
Aug 8, 2002	13 km S of Puente Viru, Peru	M4.9	143 km
Jan 12, 2008	9 km SSE of Saña, Peru	M4.7	122 km
May 7, 2015	5 km ENE of Sitabamba, Peru	M4.7	120 km
Aug 25, 2009	23 km ENE of Sartimbamba, Peru	M4.7	110 km
Apr 7, 2013	37 km W of Santiago de Cao, Peru	M4.6	144 km
Jun 20, 1994	2 km NE of Celendín, Peru	M4.6	64 km
Mar 1, 2008	8 km W of Aricapampa, Peru	M4.6	96 km
Apr 14, 2012	12 km WSW of Moche, Peru	M4.6	124 km
Jan 27, 2007	8 km W of Victor Raul, Peru	M4.6	130 km
Jun 10, 2000	5 km N of Pátapo, Peru	M4.6	143 km
Dec 1, 1998	14 km NNW of Chalamarca, Peru	M4.5	102 km
Nov 9, 1994	17 km ESE of Huamachuco, Peru	M4.5	90 km
Sep 12, 2024	9 km NE of Mollepata, Peru	M4.5	114 km
Mar 4, 1991	13 km NNW of Parcoy, Peru	M4.5	127 km
Jun 22, 2023	12 km NW of Tocmoche, Peru	M4.4	150 km
Feb 19, 2024	9 km ENE of Lacabamba, Peru	M4.4	129 km

Source: USGS (M2.5+, 1990–2025)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	52°F (11°C)	3.5 in	Coldest
February	56°F (13°C)	4.2 in
March	56°F (14°C)	4.8 in	Wettest
April	56°F (14°C)	3.5 in
May	56°F (13°C)	1.5 in
June	55°F (13°C)	0.4 in
July	54°F (12°C)	0.4 in	Driest
August	56°F (13°C)	0.4 in
September	56°F (14°C)	1.4 in
October	56°F (14°C)	3.7 in
November	57°F (14°C)	2.9 in	Warmest
December	57°F (14°C)	3.2 in

San Juan has a seasonal temperature swing of 5°F / from 52°F in January to 57°F in November. Total annual precipitation is 30.1 inches, with March being the wettest month (4.8") and July the driest (0.4").

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