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Weather & Climate in Puerto San Antonio, Peru
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Puerto San Antonio experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 43°F in January while summers reach 48°F in July / relatively mild seasonal variation. The area gets 334 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 102.3 inches (wetter than the 38-inch national average). The city sits at an elevation of 8,609 feet.
Temperature
43°F Jan (6°C)
48°F Jul (9°C)
| Annual Average | 48.4°F |
| 10% below US avg | |
| January Average | 43°F (6°C) |
| July Average | 48°F (9°C) |
| Sunny Days | 334 days/yr |
Geography
| Elevation | 8,609 ft (2,624 m) |
| Area | 20.2 sq mi (52.3 km²) |
| Population Density | 27/sq mi |
| Coordinates | -12.2165°N, 74.4899°W |
| Timezone | America/Lima |
Precipitation & Snow
Air Quality
Earthquake History
151 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.9.
| Feb 19, 1998 | 23 km NW of Puerto Ocopa, Peru | M5.9 | 138 km | 33 km |
| Feb 21, 2001 | 5 km NNE of Mazamari, Peru | M5.7 | 105 km | 33 km |
| Jan 23, 1990 | 4 km WSW of Cuenca, Peru | M5.6 | 68 km | 104 km |
| Feb 14, 2019 | 49 km NNE of Paucarbamba, Peru | M5.5 | 20 km | 10 km |
| Aug 2, 1993 | 59 km SE of Mazamari, Peru | M5.4 | 65 km | 54 km |
| Nov 6, 1992 | 18 km NNW of Mucllo, Peru | M5.3 | 110 km | 14 km |
| Mar 10, 1998 | 33 km NW of Puerto Ocopa, Peru | M5.3 | 143 km | 33 km |
| Apr 8, 1996 | 21 km SW of Ayna, Peru | M5.3 | 81 km | 72 km |
| Jan 19, 2018 | 24 km W of Vinchos, Peru | M5.3 | 113 km | 81 km |
| Mar 18, 1999 | 21 km NNE of Huancaya, Peru | M5.3 | 133 km | 116 km |
| Aug 1, 2009 | 8 km SSW of Chambara, Peru | M5.2 | 101 km | 101 km |
| May 28, 2008 | 6 km WSW of Antaparco, Peru | M5.2 | 99 km | 84 km |
| May 13, 2019 | 11 km WNW of Salcabamba, Peru | M5.2 | 43 km | 90 km |
| Mar 7, 1997 | 39 km E of Puerto Ocopa, Peru | M5.1 | 137 km | 33 km |
| Aug 17, 1995 | 54 km WNW of Pangoa, Peru | M5.1 | 122 km | 26 km |
| Apr 25, 2000 | 8 km NE of Pilpichaca, Peru | M5.1 | 128 km | 108 km |
| Apr 7, 2022 | 13 km ESE of Cocas, Peru | M5.1 | 148 km | 87 km |
| Jul 9, 2021 | 10 km SSE of Ayna, Peru | M5.1 | 88 km | 60 km |
| Apr 10, 2022 | 6 km WSW of Comas, Peru | M5.0 | 89 km | 10 km |
| Feb 18, 2025 | 9 km NW of Mariposa, Peru | M5.0 | 103 km | 103 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 5.6 in | Coldest, Wettest |
| February | 56°F (14°C) | 5.5 in | |
| March | 56°F (13°C) | 5.5 in | |
| April | 56°F (13°C) | 2.7 in | |
| May | 55°F (13°C) | 1.5 in | |
| June | 54°F (12°C) | 0.7 in | Driest |
| July | 48°F (9°C) | 1.0 in | |
| August | 55°F (13°C) | 1.4 in | |
| September | 57°F (14°C) | 2.4 in | |
| October | 58°F (14°C) | 2.9 in | |
| November | 58°F (14°C) | 3.1 in | Warmest |
| December | 57°F (14°C) | 4.5 in |
Puerto San Antonio has a seasonal temperature swing of 15°F / from 43°F in January to 58°F in November. Total annual precipitation is 36.8 inches, with January being the wettest month (5.6") and June the driest (0.7").