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Islay (Matarani), Peru

Full City Profile

4,823 Population 28/sq mi density
128 ft Elevation 39 meters
69°F Avg Temperature 20°C
Islay (Matarani) enjoys a temperate climate with an average annual temperature of 69°F (21°C). Winters average 73°F in January while summers reach 63°F in July. The area gets 360 sunny days per year. Annual precipitation totals 2.2 inches. The area receives 0.0 inches of snow annually.

Temperature

73°F Jan (23°C) 63°F Jul (17°C)
Annual Average68.7°F
27% above US avg
January Average73°F (23°C)
July Average63°F (17°C)
Sunny Days360 days/yr

Geography

Elevation128 ft (39 m)
Area172.8 sq mi (447.7 km²)
Population Density28/sq mi
Coordinates-16.9961°N, 72.1011°W
TimezoneAmerica/Lima

Precipitation & Snow

Annual Rainfall 2.2"
94% below US avg
Snowfall 0.0"
Wettest Month (Jan) 0.04"
Driest Month (Jan) 0.04"

Air Quality

Earthquake History

804 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.6. Most recent: M4.1 on Aug 25, 2025.

Jul 7, 2001 51 km SW of Punta de Bombón, Peru M7.6 61 km
Apr 3, 1999 6 km SE of Camaná, Peru M6.8 70 km
Jun 26, 2001 34 km WSW of Pacocha, Peru M6.7 96 km
Oct 8, 1998 16 km SSE of Pucara, Peru M6.2 123 km
Jul 8, 2008 28 km E of Lluta, Peru M6.2 119 km
Jun 23, 2001 56 km SSW of Quilca, Peru M6.1 61 km
Jun 7, 2012 16 km S of Uñon, Peru M6.1 129 km
Jun 3, 2003 81 km SSW of Quilca, Peru M6.0 85 km
Jun 23, 2001 21 km S of Pacocha, Peru M5.8 123 km
Jan 27, 2004 31 km SE of El Algarrobal, Peru M5.8 144 km
Aug 3, 2000 59 km SSW of Punta de Bombón, Peru M5.8 78 km
Jun 23, 2001 44 km SSW of Mollendo, Peru M5.8 45 km
Jun 8, 1990 44 km S of Punta de Bombón, Peru M5.7 71 km
Jun 23, 2001 33 km SW of Pacocha, Peru M5.6 110 km
Jun 24, 2001 22 km WSW of Pacocha, Peru M5.6 103 km
Jun 24, 2001 48 km SSW of Punta de Bombón, Peru M5.5 67 km
Feb 7, 2007 22 km ESE of El Algarrobal, Peru M5.5 135 km
Apr 4, 1990 26 km SE of Urasqui, Peru M5.5 130 km
Jun 23, 2001 88 km SW of Islay (Matarani), Peru M5.5 89 km
Aug 15, 2016 11 km SW of Tapay, Peru M5.5 150 km
Source: USGS (M2.5+, 1990–2025)

Tsunami History

1 tsunami recorded within 500 km.

Year Location Cause Max Wave Deaths Distance
1715 PERU Earthquake — — 142 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

6 volcanoes within 200 km. Closest: Chachani, Nevado (108 km).

Name Type Elevation Last Eruption Distance
Chachani, Nevado Stratovolcano 6,057 m (19,872 ft) Unknown 108 km
Huambo Volcanic field 4,550 m (14,928 ft) -700 130 km
Sabancaya Stratovolcano(es) 5,960 m (19,554 ft) 2020 137 km
Huaynaputina Stratovolcano 4,850 m (15,912 ft) 1600 140 km
Andahua-Orcopampa Pyroclastic cone(s) 4,713 m (15,463 ft) 1490 177 km
Tutupaca Stratovolcano(es) 5,801 m (19,032 ft) 1802 184 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 73°F (23°C) 0.0 in Warmest, Wettest
February 70°F (21°C) 0.0 in
March 69°F (21°C) 0.0 in Driest
April 67°F (20°C) 0.0 in
May 65°F (19°C) 0.0 in
June 63°F (17°C) 0.0 in
July 63°F (17°C) 0.0 in
August 62°F (17°C) 0.0 in Coldest
September 64°F (18°C) 0.0 in
October 65°F (18°C) 0.0 in
November 66°F (19°C) 0.0 in
December 68°F (20°C) 0.0 in

Islay (Matarani) has a seasonal temperature swing of 10°F / from 62°F in August to 73°F in January. Total annual precipitation is 0.2 inches, with January being the wettest month (0.0") and March the driest (0.0").

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