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Weather & Climate in Huayllán, Peru
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Huayllán has a cool climate with an average annual temperature of 45°F (7°C). Winters average 43°F in January while summers reach 45°F in July / relatively mild seasonal variation. The area gets 347 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 43.1 inches. The area receives 7.1 inches of snow annually. The city sits at an elevation of 9,803 feet.
Temperature
43°F Jan (6°C)
45°F Jul (7°C)
| Annual Average | 45.2°F |
| 16% below US avg | |
| January Average | 43°F (6°C) |
| July Average | 45°F (7°C) |
| Sunny Days | 347 days/yr |
Geography
| Elevation | 9,803 ft (2,988 m) |
| Area | 141.4 sq mi (366.3 km²) |
| Population Density | 4/sq mi |
| Coordinates | -8.8581°N, 77.4357°W |
| Timezone | America/Lima |
Precipitation & Snow
Air Quality
Earthquake History
48 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.7.
| Jan 3, 2010 | 16 km E of Huallanca, Peru | M5.7 | 32 km | 117 km |
| Oct 4, 1998 | 9 km E of Uchiza, Peru | M5.5 | 124 km | 33 km |
| Oct 18, 1992 | 25 km SW of Chimbote, Peru | M5.2 | 148 km | 48 km |
| May 8, 2017 | 21 km NW of Tocache, Peru | M5.2 | 124 km | 10 km |
| Jun 5, 2008 | 30 km S of Uchiza, Peru | M5.2 | 109 km | 126 km |
| Oct 19, 1992 | 30 km S of Puerto Casma, Peru | M5.1 | 145 km | 53 km |
| Mar 15, 1996 | 17 km ENE of Caraz, Peru | M5.0 | 29 km | 29 km |
| Aug 8, 2002 | 13 km S of Puente Viru, Peru | M4.9 | 149 km | 77 km |
| Jul 20, 2016 | 15 km E of Virú, Peru | M4.9 | 139 km | 106 km |
| Aug 13, 2019 | 12 km WNW of Ticllos, Peru | M4.9 | 150 km | 15 km |
| Aug 7, 2012 | 31 km NW of Tingo María, Peru | M4.8 | 140 km | 120 km |
| Aug 25, 2002 | 33 km ESE of Uchiza, Peru | M4.8 | 142 km | 16 km |
| Sep 3, 2019 | 50 km NNW of Tingo María, Peru | M4.8 | 136 km | 118 km |
| May 7, 2015 | 5 km ENE of Sitabamba, Peru | M4.7 | 98 km | 48 km |
| Aug 25, 2009 | 23 km ENE of Sartimbamba, Peru | M4.7 | 140 km | 63 km |
| May 14, 2014 | 25 km ENE of Uchiza, Peru | M4.7 | 141 km | 28 km |
| Nov 19, 1998 | 2 km S of Coishco, Peru | M4.7 | 132 km | 73 km |
| Aug 17, 1998 | 2 km NNE of Llacllin, Peru | M4.7 | 134 km | 92 km |
| Aug 1, 2016 | 36 km NE of Arancay, Peru | M4.7 | 99 km | 129 km |
| Feb 23, 2023 | 22 km SW of Quiches, Peru | M4.6 | 39 km | 67 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 | 52 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 3.4 in | Coldest |
| February | 54°F (12°C) | 4.0 in | |
| March | 53°F (12°C) | 4.6 in | Wettest |
| April | 53°F (12°C) | 2.7 in | |
| May | 53°F (12°C) | 1.0 in | |
| June | 52°F (11°C) | 0.3 in | Driest |
| July | 45°F (7°C) | 0.4 in | |
| August | 52°F (11°C) | 0.6 in | |
| September | 53°F (12°C) | 1.3 in | |
| October | 54°F (12°C) | 2.7 in | |
| November | 54°F (12°C) | 3.1 in | Warmest |
| December | 54°F (12°C) | 3.2 in |
Huayllán has a seasonal temperature swing of 11°F / from 43°F in January to 54°F in November. Total annual precipitation is 27.3 inches, with March being the wettest month (4.6") and June the driest (0.3").