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Weather & Climate in Tacna, Peru
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tacna enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 71°F in January while summers reach 58°F in July / relatively mild seasonal variation. The area gets 335 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 0.3 inches (drier than the 38-inch national average). The city sits at an elevation of 1,860 feet.
Temperature
71°F Jan (22°C)
58°F Jul (15°C)
| Annual Average | 64.6°F |
| 20% above US avg | |
| January Average | 71°F (22°C) |
| July Average | 58°F (15°C) |
| Sunny Days | 335 days/yr |
Geography
| Elevation | 1,860 ft (567 m) |
| Area | 1,130.0 sq mi (2,926.6 km²) |
| Population Density | 253/sq mi |
| Coordinates | -18.0147°N, 70.2536°W |
| Timezone | America/Lima |
Precipitation & Snow
Air Quality
Earthquake History
1,081 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.4.
| Mar 23, 2015 | 94 km SW of Curahuara de Carangas, Bolivia | M6.4 | 121 km | 130 km |
| Dec 12, 1994 | 45 km E of Estique, Peru | M6.3 | 92 km | 148 km |
| Jan 21, 2018 | 100 km ESE of Arica, Chile | M6.3 | 129 km | 116 km |
| Oct 10, 2017 | 58 km E of Arica, Chile | M6.3 | 81 km | 85 km |
| Mar 6, 2011 | 68 km ESE of Palca, Peru | M6.3 | 94 km | 118 km |
| Apr 1, 1997 | 90 km SE of Palca, Peru | M6.2 | 103 km | 116 km |
| May 14, 2012 | 40 km ENE of Palca, Peru | M6.2 | 80 km | 106 km |
| May 6, 2010 | 21 km S of Las Yaras, Peru | M6.2 | 31 km | 37 km |
| Apr 1, 1997 | 73 km SE of Palca, Peru | M6.2 | 83 km | 114 km |
| Jul 13, 2005 | 13 km NE of Calana, Peru | M5.9 | 24 km | 80 km |
| Jun 8, 2011 | 43 km SSE of Mazo Cruz, Peru | M5.9 | 130 km | 146 km |
| Dec 15, 1991 | 14 km SSW of Totoral, Peru | M5.9 | 58 km | 104 km |
| May 17, 1990 | 48 km SE of Palca, Peru | M5.8 | 67 km | 106 km |
| Apr 16, 2005 | 34 km ENE of Palca, Peru | M5.8 | 75 km | 119 km |
| Jan 27, 2004 | 31 km SE of El Algarrobal, Peru | M5.8 | 89 km | 57 km |
| Jun 23, 2001 | 21 km S of Pacocha, Peru | M5.8 | 117 km | 33 km |
| Aug 26, 2003 | 20 km ESE of Torata, Peru | M5.7 | 105 km | 32 km |
| Oct 25, 1996 | 9 km NE of Ticaco, Peru | M5.7 | 76 km | 116 km |
| Feb 25, 1990 | 76 km WSW of Curahuara de Carangas, Bolivia | M5.7 | 118 km | 141 km |
| Feb 26, 2002 | 63 km SSE of Palca, Peru | M5.6 | 66 km | 92 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
5 tsunamis recorded within 500 km. Highest wave on record: 18.0 m (59 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1868 | NORTHERN CHILE | Earthquake | 18.0 m | 25,000 | 102 km |
| 1604 | S. PERU | Earthquake | 5.0 m | 174 | 74 km |
| 1868 | NORTHERN CHILE | Earthquake | 0.2 m | — | 102 km |
| 1895 | NORTHERN CHILE | Earthquake | — | — | 79 km |
| 1715 | PERU | Earthquake | — | — | 98 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
6 volcanoes within 200 km. Closest: Tacora (61 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Tacora | Stratovolcano(es) | 5,980 m (19,619 ft) | Unknown | 61 km |
| Taapaca | Complex | 5,860 m (19,226 ft) | -320 | 80 km |
| Yucamane | Stratovolcano(es) | 5,495 m (18,028 ft) | -1320 | 93 km |
| Tutupaca | Stratovolcano(es) | 5,801 m (19,032 ft) | 1802 | 111 km |
| Parinacota | Stratovolcano | 6,336 m (20,787 ft) | 290 | 119 km |
| Huaynaputina | Stratovolcano | 4,850 m (15,912 ft) | 1600 | 169 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 71°F (22°C) | 0.0 in | |
| February | 71°F (22°C) | 0.0 in | Warmest |
| March | 70°F (21°C) | 0.0 in | Driest |
| April | 67°F (19°C) | 0.0 in | |
| May | 63°F (17°C) | 0.0 in | |
| June | 60°F (15°C) | 0.0 in | |
| July | 58°F (15°C) | 0.0 in | Coldest |
| August | 59°F (15°C) | 0.1 in | Wettest |
| September | 60°F (16°C) | 0.1 in | |
| October | 63°F (17°C) | 0.0 in | |
| November | 65°F (19°C) | 0.0 in | |
| December | 68°F (20°C) | 0.0 in |
Tacna has a seasonal temperature swing of 13°F / from 58°F in July to 71°F in February. Total annual precipitation is 0.3 inches, with August being the wettest month (0.1") and March the driest (0.0").