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Weather & Climate in Arirahua, Peru
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Arirahua experiences four distinct seasons with an average annual temperature of 47°F (9°C). Winters average 45°F in January while summers reach 47°F in July / relatively mild seasonal variation. The area gets 358 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 49.5 inches (wetter than the 38-inch national average). The area receives 1.6 inches of snow annually. The city sits at an elevation of 12,201 feet.
Temperature
45°F Jan (7°C)
47°F Jul (8°C)
| Annual Average | 47.3°F |
| 12% below US avg | |
| January Average | 45°F (7°C) |
| July Average | 47°F (8°C) |
| Sunny Days | 358 days/yr |
Geography
| Elevation | 12,201 ft (3,719 m) |
| Area | 425.4 sq mi (1,101.9 km²) |
| Population Density | 2/sq mi |
| Coordinates | -15.6648°N, 72.9373°W |
| Timezone | America/Lima |
Precipitation & Snow
Air Quality
Earthquake History
814 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 | 101 km | 33 km |
| Aug 24, 2014 | 38 km NW of Aniso, Peru | M6.8 | 137 km | 101 km |
| Apr 3, 1999 | 6 km SE of Camaná, Peru | M6.8 | 115 km | 87 km |
| Jul 5, 2001 | 31 km S of Achanizo, Peru | M6.6 | 122 km | 62 km |
| Jul 18, 2017 | 22 km S of Atico, Peru | M6.4 | 112 km | 44 km |
| Jul 8, 2008 | 28 km E of Lluta, Peru | M6.2 | 132 km | 123 km |
| Jun 7, 2012 | 16 km S of Uñon, Peru | M6.1 | 61 km | 110 km |
| Jul 17, 2013 | 3 km ESE of Maca, Peru | M6.0 | 128 km | 7 km |
| Jul 26, 2005 | 9 km SSW of Toro, Peru | M5.9 | 36 km | 111 km |
| Jun 23, 2001 | 61 km S of Atico, Peru | M5.9 | 143 km | 33 km |
| Jun 29, 2015 | 27 km SSE of Atiquipa, Peru | M5.8 | 147 km | 28 km |
| Dec 4, 2001 | 20 km WSW of Orcopampa, Peru | M5.8 | 57 km | 33 km |
| Nov 4, 1990 | 15 km N of Iray, Peru | M5.8 | 35 km | 121 km |
| Nov 11, 1994 | 16 km NW of Uñon, Peru | M5.8 | 43 km | 121 km |
| Apr 12, 1998 | 9 km N of Madrigal, Peru | M5.8 | 121 km | 33 km |
| Jun 23, 2001 | 48 km S of Atico, Peru | M5.7 | 130 km | 33 km |
| Jun 24, 2017 | 14 km NE of Cahuacho, Peru | M5.7 | 56 km | 97 km |
| Oct 15, 1997 | 10 km NNE of Atico, Peru | M5.7 | 86 km | 56 km |
| Feb 16, 2016 | 26 km S of Atico, Peru | M5.7 | 112 km | 29 km |
| Aug 11, 2017 | 18 km ESE of Atico, Peru | M5.6 | 91 km | 41 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 | 101 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Andahua-Orcopampa (71 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Andahua-Orcopampa | Pyroclastic cone(s) | 4,713 m (15,463 ft) | 1490 | 71 km |
| Huambo | Volcanic field | 4,550 m (14,928 ft) | -700 | 88 km |
| Sabancaya | Stratovolcano(es) | 5,960 m (19,554 ft) | 2020 | 116 km |
| Chachani, Nevado | Stratovolcano | 6,057 m (19,872 ft) | Unknown | 162 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 45°F (7°C) | 3.0 in | Coldest |
| February | 52°F (11°C) | 3.4 in | Wettest |
| March | 52°F (11°C) | 3.0 in | |
| April | 52°F (11°C) | 0.6 in | |
| May | 50°F (10°C) | 0.1 in | |
| June | 47°F (9°C) | 0.0 in | Driest |
| July | 47°F (8°C) | 0.0 in | |
| August | 47°F (8°C) | 0.0 in | |
| September | 49°F (10°C) | 0.2 in | |
| October | 51°F (11°C) | 0.2 in | |
| November | 51°F (11°C) | 0.2 in | |
| December | 53°F (11°C) | 0.8 in | Warmest |
Arirahua has a seasonal temperature swing of 8°F / from 45°F in January to 53°F in December. Total annual precipitation is 11.7 inches, with February being the wettest month (3.4") and June the driest (0.0").