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Weather & Climate in Huayllay, Peru
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Huayllay has a cool climate with an average annual temperature of 39°F (4°C). Winters average 45°F in January while summers reach 38°F in July / relatively mild seasonal variation. The area gets 339 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 57.3 inches (wetter than the 38-inch national average). The area receives 300.3 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 14,173 feet.
Temperature
45°F Jan (7°C)
38°F Jul (3°C)
| Annual Average | 38.7°F |
| 28% below US avg | |
| January Average | 45°F (7°C) |
| July Average | 38°F (3°C) |
| Sunny Days | 339 days/yr |
Geography
| Elevation | 14,173 ft (4,320 m) |
| Area | 37.1 sq mi (96.1 km²) |
| Population Density | 182/sq mi |
| Coordinates | -11.0037°N, 76.3645°W |
| Timezone | America/Lima |
Precipitation & Snow
Air Quality
Earthquake History
163 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.3.
| Apr 18, 1993 | 15 km SE of Lachaqui, Peru | M6.3 | 74 km | 106 km |
| Apr 29, 1991 | 18 km SSW of Huacho, Peru | M5.9 | 145 km | 58 km |
| Oct 4, 1999 | 21 km ENE of Paucartambo, Peru | M5.6 | 87 km | 33 km |
| Jan 7, 2022 | 6 km NW of Cocachacra, Peru | M5.6 | 99 km | 96 km |
| Jun 21, 1995 | 28 km W of Chancay, Peru | M5.6 | 140 km | 71 km |
| Dec 25, 1998 | 9 km SE of Chancay, Peru | M5.4 | 116 km | 67 km |
| Jul 1, 2008 | 26 km NNW of Oxapampa, Peru | M5.4 | 117 km | 33 km |
| Feb 17, 2005 | 7 km W of Carhuamayo, Peru | M5.4 | 30 km | 126 km |
| Nov 6, 1992 | 18 km NNW of Mucllo, Peru | M5.3 | 143 km | 14 km |
| Mar 18, 1999 | 21 km NNE of Huancaya, Peru | M5.3 | 136 km | 116 km |
| Feb 15, 2024 | 13 km NW of Chancay, Peru | M5.2 | 121 km | 67 km |
| Apr 10, 2013 | 2 km WSW of Villa Rica, Peru | M5.1 | 121 km | 103 km |
| Feb 21, 2006 | 32 km N of Oxapampa, Peru | M5.1 | 128 km | 14 km |
| Apr 7, 2001 | 3 km E of Oxapampa, Peru | M5.1 | 119 km | 33 km |
| May 7, 1997 | 1 km WSW of Oxapampa, Peru | M5.1 | 114 km | 33 km |
| Oct 18, 1994 | 1 km SE of Villa Rica, Peru | M5.0 | 124 km | 71 km |
| Apr 3, 2024 | 22 km NNW of Oxapampa, Peru | M5.0 | 120 km | 9 km |
| Dec 31, 2012 | 16 km W of Sayán, Peru | M4.9 | 108 km | 77 km |
| Oct 9, 1991 | 33 km WNW of Chancay, Peru | M4.9 | 136 km | 50 km |
| Nov 4, 2012 | 22 km NNE of Huancaya, Peru | M4.9 | 136 km | 102 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
6 tsunamis recorded within 500 km. Highest wave on record: 30.0 m (98 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1971 | CHUNGAR | Meteorological | 30.0 m | 600 | 23 km |
| 1746 | CENTRAL PERU | Earthquake | 24.0 m | 5,941 | 143 km |
| 1865 | CENTRAL PERU | Earthquake | 2.0 m | 5 | 137 km |
| 1806 | CENTRAL PERU | Earthquake | 1.0 m | — | 146 km |
| 1878 | CENTRAL PERU | Unknown | — | 5 | 131 km |
| 1860 | CENTRAL PERU | Earthquake | — | — | 146 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 45°F (7°C) | 5.5 in | Warmest |
| February | 44°F (6°C) | 6.0 in | Wettest |
| March | 44°F (6°C) | 5.9 in | |
| April | 43°F (6°C) | 3.3 in | |
| May | 42°F (5°C) | 1.5 in | |
| June | 40°F (4°C) | 0.6 in | Driest |
| July | 38°F (3°C) | 0.6 in | Coldest |
| August | 40°F (4°C) | 1.1 in | |
| September | 41°F (5°C) | 2.2 in | |
| October | 43°F (6°C) | 3.7 in | |
| November | 43°F (6°C) | 3.7 in | |
| December | 44°F (6°C) | 4.9 in |
Huayllay has a seasonal temperature swing of 7°F / from 38°F in July to 45°F in January. Total annual precipitation is 39.0 inches, with February being the wettest month (6.0") and June the driest (0.6").