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Weather & Climate in Huayllacayán, Peru
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Huayllacayán has a warm climate with an average annual temperature of 81°F (27°C). Winters average 80°F in January while summers reach 82°F in July / relatively mild seasonal variation. The area gets 317 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 88.5 inches (wetter than the 38-inch national average). The area receives 23.8 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 10,732 feet.
Temperature
80°F Jan (26°C)
82°F Jul (28°C)
| Annual Average | 81.3°F |
| 51% above US avg | |
| January Average | 80°F (26°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 317 days/yr |
Geography
| Elevation | 10,732 ft (3,271 m) |
| Area | 158.8 sq mi (411.2 km²) |
| Population Density | 2/sq mi |
| Coordinates | -10.2450°N, 77.4350°W |
| Timezone | America/Lima |
Precipitation & Snow
Air Quality
Earthquake History
121 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.5.
| Sep 23, 1995 | 81 km W of Paramonga, Peru | M6.5 | 134 km | 60 km |
| Apr 29, 1991 | 18 km SSW of Huacho, Peru | M5.9 | 116 km | 58 km |
| Jul 17, 1992 | 55 km SW of Huarmey, Peru | M5.8 | 123 km | 45 km |
| Jul 31, 1995 | 41 km SSW of Huarmey, Peru | M5.7 | 93 km | 59 km |
| May 11, 2002 | 55 km SW of Huarmey, Peru | M5.7 | 119 km | 47 km |
| Jan 19, 1996 | 72 km WSW of Huarmey, Peru | M5.6 | 144 km | 34 km |
| Jun 21, 1995 | 28 km W of Chancay, Peru | M5.6 | 144 km | 71 km |
| Jan 15, 2020 | 57 km WSW of Huarmey, Peru | M5.4 | 127 km | 36 km |
| Nov 5, 1998 | 36 km SW of Huarmey, Peru | M5.3 | 102 km | 51 km |
| Apr 1, 2015 | 30 km WNW of Paramonga, Peru | M5.3 | 78 km | 48 km |
| Jul 18, 2016 | 17 km SW of Caleta de Carquín, Peru | M5.2 | 112 km | 75 km |
| Mar 28, 2010 | 14 km SE of Huarmey, Peru | M5.2 | 69 km | 65 km |
| Feb 15, 2024 | 13 km NW of Chancay, Peru | M5.2 | 138 km | 67 km |
| Dec 6, 2000 | 59 km WSW of Paramonga, Peru | M5.2 | 121 km | 41 km |
| Oct 19, 1992 | 30 km S of Puerto Casma, Peru | M5.1 | 122 km | 53 km |
| Mar 31, 2022 | 40 km W of Caleta de Carquín, Peru | M5.1 | 119 km | 52 km |
| Jul 29, 2004 | 61 km WSW of Supe Puerto, Peru | M5.1 | 128 km | 52 km |
| Nov 22, 1990 | 51 km W of Huarmey, Peru | M5.1 | 130 km | 48 km |
| Jan 6, 2017 | 66 km WSW of Caleta de Carquín, Peru | M5.1 | 145 km | 38 km |
| May 12, 2020 | 37 km WNW of Paramonga, Peru | M5.0 | 89 km | 73 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
3 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 | 140 km |
| 2010 | 513 LAKE, HUALCAN GLACIER | Meteorological | 23.0 m | 1 | 110 km |
| 1966 | CENTRAL PERU | Earthquake | 3.0 m | 110 | 143 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 80°F (26°C) | 3.5 in | |
| February | 48°F (9°C) | 4.3 in | |
| March | 47°F (9°C) | 5.9 in | Wettest |
| April | 47°F (8°C) | 1.9 in | |
| May | 45°F (7°C) | 0.4 in | |
| June | 43°F (6°C) | 0.0 in | Coldest, Driest |
| July | 82°F (28°C) | 0.0 in | Warmest |
| August | 44°F (6°C) | 0.1 in | |
| September | 45°F (7°C) | 0.4 in | |
| October | 46°F (8°C) | 1.2 in | |
| November | 47°F (8°C) | 1.3 in | |
| December | 47°F (8°C) | 1.7 in |
Huayllacayán has a seasonal temperature swing of 38°F / from 43°F in June to 82°F in July. Total annual precipitation is 20.7 inches, with March being the wettest month (5.9") and June the driest (0.0").