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Weather & Climate in San Bartolo, Peru

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

San Bartolo enjoys a temperate climate with an average annual temperature of 67°F (19°C). Winters average 72°F in January while summers reach 62°F in July / relatively mild seasonal variation. The area gets 333 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 1.5 inches (drier than the 38-inch national average). The city sits at an elevation of 72 feet.

Temperature

72°F Jan (22°C) 62°F Jul (17°C)
Annual Average67.0°F
24% above US avg
January Average72°F (22°C)
July Average62°F (17°C)
Sunny Days333 days/yr

Geography

Elevation72 ft (22 m)
Area25.1 sq mi (65.1 km²)
Population Density228/sq mi
Coordinates-12.3833°N, 76.7833°W
TimezoneAmerica/Lima

Precipitation & Snow

Annual Rainfall 1.5"
96% below US avg
Snowfall 0.0"
Wettest Month (Jul) 0.31"
Driest Month (Nov) 0.04"

Air Quality

Earthquake History

293 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M8.0.

Aug 15, 2007 41 km SW of San Vicente de Cañete, Peru M8.0 113 km 39 km
Apr 18, 1993 15 km SE of Lachaqui, Peru M6.3 86 km 106 km
Feb 2, 2009 40 km WNW of Pisco, Peru M6.0 136 km 21 km
Aug 17, 2007 44 km WNW of Pisco, Peru M5.9 137 km 49 km
Jun 23, 2021 11 km WSW of Mala, Peru M5.9 37 km 50 km
Aug 16, 2007 38 km SW of San Vicente de Cañete, Peru M5.8 110 km 34 km
Aug 19, 2007 45 km WNW of Pisco, Peru M5.8 139 km 11 km
Sep 22, 2010 6 km ENE of Chincha Alta, Peru M5.7 136 km 50 km
May 8, 2003 90 km WSW of Chilca, Peru M5.7 92 km 33 km
Aug 16, 2007 43 km WNW of Pisco, Peru M5.6 135 km 36 km
Aug 16, 2007 22 km SSW of San Vicente de Cañete, Peru M5.6 102 km 40 km
Aug 19, 2007 32 km WNW of Pisco, Peru M5.6 142 km 35 km
May 28, 2003 33 km SSW of Santiago de Surco, Peru M5.6 42 km 43 km
Jun 15, 2025 37 km WSW of Callao, Peru M5.6 75 km 40 km
Oct 1, 1996 19 km SSW of Chilca, Peru M5.6 33 km 62 km
Jun 21, 1995 28 km W of Chancay, Peru M5.6 124 km 71 km
Jan 7, 2022 6 km NW of Cocachacra, Peru M5.6 62 km 96 km
Apr 21, 2001 51 km WNW of Pisco, Peru M5.6 131 km 39 km
Nov 25, 2013 12 km SE of Omas, Peru M5.5 68 km 77 km
Dec 25, 1998 9 km SE of Chancay, Peru M5.4 96 km 67 km
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.

Tsunami History

10 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 600 142 km
1586 CENTRAL PERU Earthquake 26.0 m 22 100 km
1746 CENTRAL PERU Earthquake 24.0 m 5,941 62 km
2007 S. PERU Earthquake 10.1 m 596 113 km
1865 CENTRAL PERU Earthquake 2.0 m 5 55 km
1806 CENTRAL PERU Earthquake 1.0 m - 47 km
1974 CENTRAL PERU Earthquake 0.9 m 78 110 km
1878 CENTRAL PERU Unknown - 5 49 km
1860 CENTRAL PERU Earthquake - - 47 km
1687 S. PERU Earthquake - 5,000 128 km
Source: NOAA/NCEI Historical Tsunami Database.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 72°F (22°C) 0.1 in
February 74°F (23°C) 0.1 in Warmest
March 73°F (23°C) 0.1 in
April 70°F (21°C) 0.0 in Driest
May 66°F (19°C) 0.1 in
June 63°F (17°C) 0.3 in
July 62°F (17°C) 0.3 in Wettest
August 61°F (16°C) 0.3 in Coldest
September 62°F (17°C) 0.2 in
October 64°F (18°C) 0.1 in
November 66°F (19°C) 0.0 in
December 70°F (21°C) 0.0 in

San Bartolo has a seasonal temperature swing of 12°F / from 61°F in August to 74°F in February. Total annual precipitation is 1.6 inches, with July being the wettest month (0.3") and April the driest (0.0").

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