Sign In Register

Alto San Ildefonso, Peru

Full City Profile

517 Population 3/sq mi density
108 ft Elevation 33 meters
76°F Avg Temperature 24°C
Alto San Ildefonso has a warm climate with an average annual temperature of 76°F (24°C). Winters average 76°F in January while summers reach 74°F in July. The area gets 360 sunny days per year. Annual precipitation totals 23.7 inches. The area receives 0.0 inches of snow annually.

Temperature

76°F Jan (25°C) 74°F Jul (23°C)
Annual Average75.9°F
41% above US avg
January Average76°F (25°C)
July Average74°F (23°C)
Sunny Days360 days/yr

Geography

Elevation108 ft (33 m)
Area157.3 sq mi (407.5 km²)
Population Density3/sq mi
Coordinates-7.1439°N, 79.5845°W
TimezoneAmerica/Lima

Precipitation & Snow

Annual Rainfall 23.7"
38% below US avg
Snowfall 0.0"
Wettest Month (Mar) 0.43"
Driest Month (May) 0.04"

Air Quality

Earthquake History

111 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.3. Most recent: M5.0 on Jun 12, 2025.

Feb 24, 2007 63 km WSW of Pimentel, Peru M6.3 101 km
Jul 29, 2021 90 km WSW of Santiago de Cao, Peru M5.8 140 km
Nov 13, 2000 79 km WSW of Santiago de Cao, Peru M5.8 121 km
Apr 26, 2015 76 km WSW of Santiago de Cao, Peru M5.6 134 km
Aug 7, 2005 84 km SW of Pacasmayo, Peru M5.4 109 km
Feb 26, 2007 83 km WSW of Pimentel, Peru M5.3 113 km
Apr 2, 2017 108 km W of Pimentel, Peru M5.3 147 km
Feb 25, 2020 86 km W of Santiago de Cao, Peru M5.3 115 km
Feb 3, 2024 83 km W of Santiago de Cao, Peru M5.2 112 km
Jul 20, 2020 92 km WSW of Santiago de Cao, Peru M5.1 143 km
May 15, 2014 16 km NNW of Paiján, Peru M5.1 56 km
Jun 12, 2025 13 km WNW of Jayanca, Peru M5.0 99 km
Apr 7, 1991 92 km WSW of Pimentel, Peru M5.0 125 km
Oct 16, 2016 28 km SW of Pimentel, Peru M5.0 62 km
Nov 7, 1994 78 km WSW of Pimentel, Peru M5.0 117 km
Jul 29, 2021 94 km WSW of Santiago de Cao, Peru M4.9 143 km
Jan 9, 2024 59 km WSW of Santiago de Cao, Peru M4.9 109 km
Jul 27, 2011 96 km WSW of Santiago de Cao, Peru M4.9 144 km
Jan 7, 1993 112 km SW of Pacasmayo, Peru M4.9 130 km
Oct 6, 1992 96 km WSW of Santiago de Cao, Peru M4.9 133 km
Source: USGS (M2.5+, 1990–2025)

Tsunami History

1 tsunami recorded within 500 km. Highest wave on record: 9.0 m (30 ft).

Year Location Cause Max Wave Deaths Distance
1960 N. PERU Earthquake 9.0 m 66 129 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 76°F (25°C) 0.1 in
February 79°F (26°C) 0.2 in Warmest
March 79°F (26°C) 0.4 in Wettest
April 76°F (24°C) 0.2 in
May 72°F (22°C) 0.0 in
June 69°F (21°C) 0.0 in Driest
July 74°F (23°C) 0.0 in
August 67°F (19°C) 0.0 in Coldest
September 68°F (20°C) 0.0 in
October 69°F (20°C) 0.1 in
November 70°F (21°C) 0.0 in
December 73°F (23°C) 0.1 in

Alto San Ildefonso has a seasonal temperature swing of 12°F / from 67°F in August to 79°F in February. Total annual precipitation is 1.2 inches, with March being the wettest month (0.4") and June the driest (0.0").

View full weather details →