Weather & Climate in San Luis, Peru
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Luis has a cool climate with an average annual temperature of 45°F (7°C). Winters average 43°F in January while summers reach 45°F in July / relatively mild seasonal variation. Annual precipitation totals 43.1 inches. The area receives 7.1 inches of snow annually. The city sits at an elevation of 10,056 feet.
Temperature
43°F Jan (6°C)
45°F Jul (7°C)
| Annual Average | 45.2°F |
| 16% below US avg | |
| January Average | 43°F (6°C) |
| July Average | 45°F (7°C) |
Geography
| Elevation | 10,056 ft (3,065 m) |
| Area | 89.0 sq mi (230.4 km²) |
| Population Density | 0/sq mi |
| Coordinates | 9.0833°S, 77.3500°W |
| Timezone | America/Lima |
Precipitation & Snow
Air Quality
Earthquake History
49 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.7.
| Jan 3, 2010 | 16 km E of Huallanca, Peru | M5.7 | 51 km | 117 km |
| Oct 4, 1998 | 9 km E of Uchiza, Peru | M5.5 | 127 km | 33 km |
| Jun 5, 2008 | 30 km S of Uchiza, Peru | M5.2 | 107 km | 126 km |
| Mar 28, 2010 | 14 km SE of Huarmey, Peru | M5.2 | 142 km | 65 km |
| May 8, 2017 | 21 km NW of Tocache, Peru | M5.2 | 138 km | 10 km |
| Oct 19, 1992 | 30 km S of Puerto Casma, Peru | M5.1 | 138 km | 53 km |
| Mar 15, 1996 | 17 km ENE of Caraz, Peru | M5.0 | 36 km | 29 km |
| Apr 19, 2025 | 23 km SW of Tingo María, Peru | M4.9 | 139 km | 113 km |
| Aug 13, 2019 | 12 km WNW of Ticllos, Peru | M4.9 | 124 km | 15 km |
| Aug 7, 2012 | 31 km NW of Tingo María, Peru | M4.8 | 129 km | 120 km |
| Aug 25, 2002 | 33 km ESE of Uchiza, Peru | M4.8 | 141 km | 16 km |
| Sep 3, 2019 | 50 km NNW of Tingo María, Peru | M4.8 | 128 km | 118 km |
| May 14, 2014 | 25 km ENE of Uchiza, Peru | M4.7 | 145 km | 28 km |
| Aug 1, 2016 | 36 km NE of Arancay, Peru | M4.7 | 91 km | 129 km |
| Aug 17, 1998 | 2 km NNE of Llacllin, Peru | M4.7 | 111 km | 92 km |
| Nov 19, 1998 | 2 km S of Coishco, Peru | M4.7 | 139 km | 73 km |
| May 7, 2015 | 5 km ENE of Sitabamba, Peru | M4.7 | 125 km | 48 km |
| Oct 19, 1996 | 49 km ESE of Uchiza, Peru | M4.7 | 150 km | 135 km |
| May 17, 2000 | 28 km SW of Puerto Casma, Peru | M4.6 | 145 km | 52 km |
| May 8, 2005 | 33 km SSW of Puerto Casma, Peru | M4.6 | 149 km | 52 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 23.0 m (75 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2010 | 513 LAKE, HUALCAN GLACIER | Meteorological | 23.0 m | 1 | 39 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 3.6 in | Coldest |
| February | 54°F (12°C) | 4.1 in | |
| March | 54°F (12°C) | 4.7 in | Wettest |
| April | 54°F (12°C) | 2.8 in | |
| May | 53°F (12°C) | 1.0 in | |
| June | 52°F (11°C) | 0.3 in | Driest |
| July | 45°F (7°C) | 0.4 in | |
| August | 53°F (12°C) | 0.6 in | |
| September | 53°F (12°C) | 1.3 in | |
| October | 54°F (12°C) | 2.7 in | |
| November | 54°F (12°C) | 3.1 in | Warmest |
| December | 54°F (12°C) | 3.2 in |
San Luis has a seasonal temperature swing of 11°F / from 43°F in January to 54°F in November. Total annual precipitation is 27.8 inches, with March being the wettest month (4.7") and June the driest (0.3").