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San Sebastián, Peru

Full City Profile

10,784 ft Elevation 3,287 meters
50°F Avg Temperature 10°C
San Sebastián experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 49°F in January while summers reach 50°F in July. The area gets 348 sunny days per year. Annual precipitation totals 39.7 inches. The area receives 1.1 inches of snow annually.

Temperature

49°F Jan (9°C) 50°F Jul (10°C)
Annual Average49.6°F
8% below US avg
January Average49°F (9°C)
July Average50°F (10°C)
Sunny Days348 days/yr

Geography

Elevation10,784 ft (3,287 m)
Area2.2 sq mi (5.7 km²)
Population Density0/sq mi
Coordinates-13.5314°N, 71.9314°W
TimezoneAmerica/Lima

Precipitation & Snow

Annual Rainfall 39.7"
5% above US avg
Snowfall 1.1"
Wettest Month (Jan) 6.20"
Driest Month (Jun) 0.20"

Air Quality

Earthquake History

143 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.0. Most recent: M4.3 on Aug 7, 2025.

Jul 6, 1991 15 km W of Lares, Peru M7.0 55 km
Nov 27, 1999 10 km S of Langui, Peru M5.9 131 km
May 21, 2013 17 km S of Chinchaypujio, Peru M5.8 46 km
Aug 9, 2001 7 km WSW of Turpay, Peru M5.8 115 km
May 24, 2003 10 km W of Pichigua, Peru M5.6 134 km
Sep 12, 1998 0 km SE of Turpay, Peru M5.6 107 km
Mar 7, 2025 12 km NNW of Cayarani, Peru M5.4 115 km
Aug 10, 2001 11 km SSW of Turpay, Peru M5.4 119 km
May 27, 1998 central Peru M5.3 96 km
Oct 15, 2002 7 km W of Pataypampa, Peru M5.3 112 km
Dec 30, 2012 46 km E of Salvación, Peru M5.2 131 km
May 2, 2024 28 km WNW of Chinchaypujio, Peru M5.1 60 km
Dec 26, 1999 11 km WSW of Curpahuasi, Peru M5.1 110 km
Jul 6, 2014 7 km SE of Layo, Peru M5.1 143 km
Aug 10, 1994 central Peru M5.1 84 km
Aug 8, 2003 6 km N of Colcha, Peru M5.0 32 km
Sep 2, 2019 central Peru M5.0 88 km
May 5, 2024 11 km SE of Colquepata, Peru M5.0 37 km
Aug 10, 2010 8 km NW of Curpahuasi, Peru M5.0 100 km
May 24, 2018 67 km NNW of Salvación, Peru M4.9 139 km
Source: USGS (M2.5+, 1990–2025)

Nearby Volcanoes

1 volcano within 200 km. Closest: Quimsachata (95 km).

Name Type Elevation Last Eruption Distance
Quimsachata Lava dome 3,693 m (12,116 ft) -4450 95 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 49°F (9°C) 6.2 in Wettest
February 51°F (11°C) 5.4 in
March 51°F (11°C) 4.8 in
April 50°F (10°C) 2.0 in
May 48°F (9°C) 0.4 in
June 46°F (8°C) 0.2 in Coldest, Driest
July 50°F (10°C) 0.3 in
August 47°F (8°C) 0.4 in
September 50°F (10°C) 0.9 in
October 51°F (11°C) 1.6 in
November 52°F (11°C) 2.8 in Warmest
December 52°F (11°C) 4.7 in

San Sebastián has a seasonal temperature swing of 6°F / from 46°F in June to 52°F in November. Total annual precipitation is 29.7 inches, with January being the wettest month (6.2") and June the driest (0.2").

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