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Weather & Climate in Bella Unión, Peru
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Bella Unión enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 66°F in January while summers reach 59°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 2.9 inches (drier than the 38-inch national average). The city sits at an elevation of 525 feet.
Temperature
66°F Jan (19°C)
59°F Jul (15°C)
| Annual Average | 63.0°F |
| 17% above US avg | |
| January Average | 66°F (19°C) |
| July Average | 59°F (15°C) |
| Sunny Days | 358 days/yr |
Geography
| Elevation | 525 ft (160 m) |
| Area | 395.0 sq mi (1,022.9 km²) |
| Population Density | 7/sq mi |
| Coordinates | -15.4502°N, 74.6579°W |
| Timezone | America/Lima |
Precipitation & Snow
Air Quality
Earthquake History
656 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 | 142 km | 33 km |
| Nov 12, 1996 | 60 km SW of Changuillo, Peru | M7.7 | 120 km | 33 km |
| Jun 28, 2024 | 10 km WSW of Atiquipa, Peru | M7.2 | 47 km | 24 km |
| Sep 25, 2013 | 16 km WSW of Atiquipa, Peru | M7.1 | 46 km | 40 km |
| Jan 14, 2018 | 37 km W of Atiquipa, Peru | M7.1 | 36 km | 39 km |
| Jul 5, 2001 | 31 km S of Achanizo, Peru | M6.6 | 101 km | 62 km |
| Nov 13, 1996 | 54 km WSW of Changuillo, Peru | M6.1 | 130 km | 33 km |
| Jun 29, 2024 | 34 km SW of Atiquipa, Peru | M6.1 | 67 km | 18 km |
| Jul 1, 1991 | 50 km SSE of San Juan, Peru | M6.0 | 54 km | 21 km |
| Jun 16, 2024 | 10 km SW of Atiquipa, Peru | M6.0 | 51 km | 27 km |
| Nov 13, 1996 | 29 km WSW of San Juan, Peru | M6.0 | 81 km | 33 km |
| May 3, 2005 | central Peru | M5.9 | 59 km | 31 km |
| May 17, 2025 | 5 km W of San Pedro, Peru | M5.9 | 95 km | 101 km |
| Nov 15, 1996 | 30 km WSW of Changuillo, Peru | M5.8 | 115 km | 33 km |
| Jul 12, 2024 | 24 km SW of Acarí, Peru | M5.8 | 19 km | 23 km |
| Jun 28, 2007 | 41 km SW of Acarí, Peru | M5.8 | 36 km | 12 km |
| Jun 29, 2015 | 27 km SSE of Atiquipa, Peru | M5.8 | 77 km | 28 km |
| May 18, 2009 | 35 km SW of Acarí, Peru | M5.8 | 30 km | 23 km |
| Sep 28, 2004 | 21 km WNW of Atiquipa, Peru | M5.8 | 30 km | 27 km |
| Jan 12, 2001 | 27 km SW of Acarí, Peru | M5.7 | 22 km | 39 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
5 tsunamis 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 | 142 km |
| 1996 | S. PERU | Earthquake | 0.4 m | 14 | 120 km |
| 2024 | S. PERU | Earthquake | 0.2 m | — | 46 km |
| 2018 | S. PERU | Earthquake | 0.2 m | — | 36 km |
| 2013 | S. PERU | Earthquake | 0.1 m | — | 46 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 66°F (19°C) | 0.7 in | |
| February | 68°F (20°C) | 0.7 in | Warmest |
| March | 67°F (19°C) | 0.9 in | Wettest |
| April | 65°F (18°C) | 0.1 in | |
| May | 62°F (17°C) | 0.0 in | Driest |
| June | 60°F (15°C) | 0.0 in | |
| July | 59°F (15°C) | 0.0 in | Coldest |
| August | 59°F (15°C) | 0.0 in | |
| September | 60°F (15°C) | 0.0 in | |
| October | 62°F (17°C) | 0.0 in | |
| November | 63°F (17°C) | 0.0 in | |
| December | 66°F (19°C) | 0.1 in |
Bella Unión has a seasonal temperature swing of 9°F / from 59°F in July to 68°F in February. Total annual precipitation is 2.5 inches, with March being the wettest month (0.9") and May the driest (0.0").