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Weather & Climate in San Salvador, Peru
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Salvador experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 49°F in January while summers reach 48°F in July / relatively mild seasonal variation. The area gets 348 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 39.7 inches. The area receives 1.1 inches of snow annually. The city sits at an elevation of 10,016 feet.
Temperature
49°F Jan (9°C)
48°F Jul (9°C)
| Annual Average | 48.2°F |
| 11% below US avg | |
| January Average | 49°F (9°C) |
| July Average | 48°F (9°C) |
| Sunny Days | 348 days/yr |
Geography
| Elevation | 10,016 ft (3,053 m) |
| Area | 57.2 sq mi (148.3 km²) |
| Population Density | 24/sq mi |
| Coordinates | -13.4922°N, 71.7785°W |
| Timezone | America/Lima |
Precipitation & Snow
Air Quality
Earthquake History
144 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.0.
| Jul 6, 1991 | 15 km W of Lares, Peru | M7.0 | 62 km | 105 km |
| Nov 27, 1999 | 10 km S of Langui, Peru | M5.9 | 127 km | 126 km |
| Aug 9, 2001 | 7 km WSW of Turpay, Peru | M5.8 | 130 km | 33 km |
| May 21, 2013 | 17 km S of Chinchaypujio, Peru | M5.8 | 62 km | 92 km |
| May 24, 2003 | 10 km W of Pichigua, Peru | M5.6 | 134 km | 144 km |
| Sep 12, 1998 | 0 km SE of Turpay, Peru | M5.6 | 122 km | 91 km |
| Mar 7, 2025 | 12 km NNW of Cayarani, Peru | M5.4 | 122 km | 114 km |
| Aug 10, 2001 | 11 km SSW of Turpay, Peru | M5.4 | 133 km | 33 km |
| Oct 15, 2002 | 7 km W of Pataypampa, Peru | M5.3 | 128 km | 87 km |
| Apr 21, 2015 | 6 km ENE of Yauri, Peru | M5.3 | 149 km | 153 km |
| May 27, 1998 | central Peru | M5.3 | 113 km | 96 km |
| Dec 30, 2012 | 46 km E of Salvación, Peru | M5.2 | 115 km | 28 km |
| Aug 10, 1994 | central Peru | M5.1 | 101 km | 87 km |
| Dec 26, 1999 | 11 km WSW of Curpahuasi, Peru | M5.1 | 126 km | 91 km |
| Jul 6, 2014 | 7 km SE of Layo, Peru | M5.1 | 137 km | 67 km |
| May 2, 2024 | 28 km WNW of Chinchaypujio, Peru | M5.1 | 76 km | 10 km |
| Sep 2, 1992 | 59 km NE of Salvación, Peru | M5.1 | 145 km | 28 km |
| Sep 2, 2019 | central Peru | M5.0 | 104 km | 80 km |
| Aug 8, 2003 | 6 km N of Colcha, Peru | M5.0 | 34 km | 38 km |
| May 5, 2024 | 11 km SE of Colquepata, Peru | M5.0 | 20 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
1 volcano within 200 km. Closest: Quimsachata (89 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Quimsachata | Lava dome | 3,693 m (12,116 ft) | -4450 | 89 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 49°F (9°C) | 5.8 in | Wettest |
| February | 51°F (10°C) | 5.1 in | |
| March | 51°F (10°C) | 4.6 in | |
| April | 50°F (10°C) | 1.9 in | |
| May | 48°F (9°C) | 0.4 in | |
| June | 45°F (7°C) | 0.2 in | Coldest, Driest |
| July | 48°F (9°C) | 0.3 in | |
| August | 47°F (8°C) | 0.4 in | |
| September | 49°F (10°C) | 0.9 in | |
| October | 51°F (11°C) | 1.5 in | |
| November | 52°F (11°C) | 2.6 in | Warmest |
| December | 52°F (11°C) | 4.4 in |
San Salvador has a seasonal temperature swing of 6°F / from 45°F in June to 52°F in November. Total annual precipitation is 28.1 inches, with January being the wettest month (5.8") and June the driest (0.2").