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Weather & Climate in Challas, Peru
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Challas has a cool climate with an average annual temperature of 40°F (4°C). Winters average 38°F in January while summers reach 40°F in July / relatively mild seasonal variation. The area gets 354 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 55.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 10,584 feet.
Temperature
38°F Jan (3°C)
40°F Jul (4°C)
| Annual Average | 40.0°F |
| 26% below US avg | |
| January Average | 38°F (3°C) |
| July Average | 40°F (4°C) |
| Sunny Days | 354 days/yr |
Geography
| Elevation | 10,584 ft (3,226 m) |
| Area | 141.4 sq mi (366.3 km²) |
| Population Density | 7/sq mi |
| Coordinates | -8.4390°N, 77.3239°W |
| Timezone | America/Lima |
Precipitation & Snow
Air Quality
Earthquake History
53 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.0.
| Apr 11, 2005 | 18 km ENE of Shirac, Peru | M6.0 | 142 km | 130 km |
| Jan 3, 2010 | 16 km E of Huallanca, Peru | M5.7 | 59 km | 117 km |
| Oct 4, 1998 | 9 km E of Uchiza, Peru | M5.5 | 104 km | 33 km |
| Apr 10, 2005 | 59 km ESE of Huicungo, Peru | M5.3 | 149 km | 135 km |
| May 8, 2017 | 21 km NW of Tocache, Peru | M5.2 | 85 km | 10 km |
| Dec 15, 2013 | 4 km NNE of Huicungo, Peru | M5.2 | 143 km | 62 km |
| Jun 5, 2008 | 30 km S of Uchiza, Peru | M5.2 | 102 km | 126 km |
| Mar 15, 1996 | 17 km ENE of Caraz, Peru | M5.0 | 72 km | 29 km |
| Jun 13, 2024 | 55 km ESE of Uchiza, Peru | M5.0 | 146 km | 10 km |
| Jul 20, 2016 | 15 km E of Virú, Peru | M4.9 | 142 km | 106 km |
| Sep 3, 2019 | 50 km NNW of Tingo María, Peru | M4.8 | 133 km | 118 km |
| Aug 7, 2012 | 31 km NW of Tingo María, Peru | M4.8 | 144 km | 120 km |
| Aug 25, 2002 | 33 km ESE of Uchiza, Peru | M4.8 | 126 km | 16 km |
| Jun 18, 1991 | 43 km E of Uchiza, Peru | M4.8 | 139 km | 53 km |
| Aug 2, 2017 | 48 km E of Uchiza, Peru | M4.7 | 143 km | 43 km |
| Oct 19, 1996 | 49 km ESE of Uchiza, Peru | M4.7 | 141 km | 135 km |
| May 7, 2015 | 5 km ENE of Sitabamba, Peru | M4.7 | 62 km | 48 km |
| Aug 25, 2009 | 23 km ENE of Sartimbamba, Peru | M4.7 | 96 km | 63 km |
| May 14, 2014 | 25 km ENE of Uchiza, Peru | M4.7 | 118 km | 28 km |
| Aug 1, 2016 | 36 km NE of Arancay, Peru | M4.7 | 101 km | 129 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 23.0 m (75 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2010 | 513 LAKE, HUALCAN GLACIER | Meteorological | 23.0 m | 1 | 100 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (3°C) | 4.1 in | Coldest |
| February | 51°F (11°C) | 5.0 in | |
| March | 51°F (11°C) | 5.6 in | Wettest |
| April | 51°F (11°C) | 3.5 in | |
| May | 50°F (10°C) | 1.3 in | |
| June | 50°F (10°C) | 0.6 in | Driest |
| July | 40°F (4°C) | 0.8 in | |
| August | 50°F (10°C) | 0.8 in | |
| September | 51°F (10°C) | 1.7 in | |
| October | 52°F (11°C) | 3.7 in | |
| November | 52°F (11°C) | 4.2 in | Warmest |
| December | 52°F (11°C) | 4.3 in |
Challas has a seasonal temperature swing of 14°F / from 38°F in January to 52°F in November. Total annual precipitation is 35.5 inches, with March being the wettest month (5.6") and June the driest (0.6").