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Weather & Climate in Cosos, Peru
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Cosos has a warm climate with an average annual temperature of 82°F (28°C). Winters average 84°F in January while summers reach 79°F in July / relatively mild seasonal variation. The area gets 362 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 4.3 inches (drier than the 38-inch national average). The city sits at an elevation of 2,162 feet.
Temperature
84°F Jan (29°C)
79°F Jul (26°C)
| Annual Average | 82.2°F |
| 52% above US avg | |
| January Average | 84°F (29°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 362 days/yr |
Geography
| Elevation | 2,162 ft (659 m) |
| Area | 911.4 sq mi (2,360.5 km²) |
| Population Density | 1/sq mi |
| Coordinates | -16.0581°N, 72.4869°W |
| Timezone | America/Lima |
Precipitation & Snow
Air Quality
Earthquake History
863 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M8.4.
| Jun 23, 2001 | 6 km SSW of Atico, Peru | M8.4 | 125 km | 33 km |
| Apr 3, 1999 | 6 km SE of Camaná, Peru | M6.8 | 70 km | 87 km |
| Jul 18, 2017 | 22 km S of Atico, Peru | M6.4 | 129 km | 44 km |
| Oct 8, 1998 | 16 km SSE of Pucara, Peru | M6.2 | 116 km | 136 km |
| Jul 8, 2008 | 28 km E of Lluta, Peru | M6.2 | 79 km | 123 km |
| Jun 7, 2012 | 16 km S of Uñon, Peru | M6.1 | 22 km | 110 km |
| Jun 23, 2001 | 56 km SSW of Quilca, Peru | M6.1 | 126 km | 33 km |
| Jul 17, 2013 | 3 km ESE of Maca, Peru | M6.0 | 92 km | 7 km |
| Jun 3, 2003 | 81 km SSW of Quilca, Peru | M6.0 | 149 km | 33 km |
| Jun 23, 2001 | 61 km S of Atico, Peru | M5.9 | 145 km | 33 km |
| Jul 26, 2005 | 9 km SSW of Toro, Peru | M5.9 | 94 km | 111 km |
| Nov 4, 1990 | 15 km N of Iray, Peru | M5.8 | 40 km | 121 km |
| Nov 11, 1994 | 16 km NW of Uñon, Peru | M5.8 | 48 km | 121 km |
| Apr 12, 1998 | 9 km N of Madrigal, Peru | M5.8 | 93 km | 33 km |
| Dec 4, 2001 | 20 km WSW of Orcopampa, Peru | M5.8 | 79 km | 33 km |
| Oct 15, 1997 | 10 km NNE of Atico, Peru | M5.7 | 118 km | 56 km |
| Feb 16, 2016 | 26 km S of Atico, Peru | M5.7 | 127 km | 29 km |
| Jun 23, 2001 | 48 km S of Atico, Peru | M5.7 | 136 km | 33 km |
| Jun 24, 2017 | 14 km NE of Cahuacho, Peru | M5.7 | 120 km | 97 km |
| Sep 8, 1996 | 14 km WSW of Chichas, Peru | M5.6 | 81 km | 98 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 8.8 m (29 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2001 | S. PERU | Earthquake | 8.8 m | 103 | 125 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Huambo (46 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Huambo | Volcanic field | 4,550 m (14,928 ft) | -700 | 46 km |
| Andahua-Orcopampa | Pyroclastic cone(s) | 4,713 m (15,463 ft) | 1490 | 73 km |
| Sabancaya | Stratovolcano(es) | 5,960 m (19,554 ft) | 2020 | 74 km |
| Chachani, Nevado | Stratovolcano | 6,057 m (19,872 ft) | Unknown | 103 km |
| Huaynaputina | Stratovolcano | 4,850 m (15,912 ft) | 1600 | 185 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 84°F (29°C) | 0.3 in | Warmest, Wettest |
| February | 70°F (21°C) | 0.3 in | |
| March | 69°F (21°C) | 0.2 in | |
| April | 68°F (20°C) | 0.1 in | |
| May | 67°F (19°C) | 0.0 in | |
| June | 64°F (18°C) | 0.0 in | Coldest, Driest |
| July | 79°F (26°C) | 0.0 in | |
| August | 64°F (18°C) | 0.0 in | |
| September | 66°F (19°C) | 0.0 in | |
| October | 67°F (20°C) | 0.0 in | |
| November | 68°F (20°C) | 0.0 in | |
| December | 68°F (20°C) | 0.2 in |
Cosos has a seasonal temperature swing of 19°F / from 64°F in June to 84°F in January. Total annual precipitation is 1.2 inches, with January being the wettest month (0.3") and June the driest (0.0").