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Weather & Climate in San Luis, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Luis enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 56°F in January while summers reach 72°F in July / relatively mild seasonal variation. The area gets 314 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 12.0 inches (drier than the 38-inch national average). The city sits at an elevation of 617 feet.
Temperature
56°F Jan (13°C)
72°F Jul (22°C)
| Annual Average | 63.4°F |
| 17% above US avg | |
| January Average | 56°F (13°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 314 days/yr |
Geography
| Elevation | 617 ft (188 m) |
| Area | 268.5 sq mi (695.4 km²) |
| Population Density | 32/sq mi |
| Coordinates | 32.4317°N, 116.9536°W |
| Timezone | America/Tijuana |
Precipitation & Snow
Air Quality
Earthquake History
6,944 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.7.
| Jun 15, 2010 | 8km ESE of Ocotillo, CA | M5.7 | 102 km | 9 km |
| Jul 7, 2010 | 20km NNW of Borrego Springs, CA | M5.4 | 118 km | 12 km |
| Aug 26, 2012 | 4km NNW of Brawley, CA | M5.4 | 147 km | 8 km |
| Aug 26, 2012 | 5km NNW of Brawley, CA | M5.3 | 146 km | 8 km |
| Dec 3, 1991 | 71km E of Maneadero, B.C., MX | M5.3 | 130 km | 6 km |
| Mar 23, 1994 | 35km E of Maneadero, B.C., MX | M5.3 | 105 km | 5 km |
| Apr 4, 2010 | 15km SSW of Progreso, B.C., MX | M5.3 | 124 km | 10 km |
| Jun 5, 2021 | 11km W of Calipatria, CA | M5.3 | 146 km | 6 km |
| Apr 14, 2025 | 5 km S of Julian, CA | M5.2 | 75 km | 14 km |
| Jun 12, 2005 | 10km ESE of Anza, CA | M5.2 | 128 km | 13 km |
| Jun 10, 2016 | 20km NNW of Borrego Springs, CA | M5.2 | 121 km | 12 km |
| Oct 31, 2001 | 16km ESE of Anza, CA | M5.0 | 127 km | 14 km |
| Jun 15, 2004 | 67km SE of San Clemente Is. (SE tip), CA | M5.0 | 91 km | 10 km |
| Apr 5, 2010 | 20km ESE of Ocotillo, CA | M5.0 | 110 km | 1 km |
| Aug 27, 2012 | 5km NNE of Brawley, CA | M4.9 | 149 km | 4 km |
| Apr 5, 2010 | 19km ESE of Ocotillo, CA | M4.9 | 110 km | 14 km |
| May 22, 2010 | 17km WNW of Progreso, B.C., MX | M4.9 | 114 km | 8 km |
| Jul 26, 1997 | 16km N of Borrego Springs, California | M4.9 | 121 km | 11 km |
| Aug 26, 2012 | 5km NW of Brawley, CA | M4.9 | 146 km | 4 km |
| Apr 4, 2020 | 17km ESE of Anza, CA | M4.9 | 125 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 1.2 m (4 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1862 | S. CALIFORNIA | Eruption + Earthquake | 1.2 m | — | 38 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Salton Buttes (151 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Salton Buttes | Lava dome(s) | -40 m (-131 ft) | 210 | 151 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: CEDAR (268,362 acres, 2003).
| Year | Name | Acres Burned | Distance |
| 2003 | CEDAR | 268,362 | 59 km |
| 2007 | WITCH | 167,551 | 74 km |
| 2007 | HARRIS | 90,443 | 29 km |
| 2002 | PINES | 65,407 | 87 km |
| 2003 | PARADISE | 55,995 | 86 km |
| 2007 | POOMACHA | 47,496 | 97 km |
| 2003 | MINE/OTAY | 37,232 | 23 km |
| 1993 | GUEJITO | 17,141 | 77 km |
| 2006 | HORSE | 16,659 | 45 km |
| 2020 | VALLEY | 16,517 | 42 km |
| 1996 | OTAY 322 | 12,238 | 19 km |
| 2012 | WILSON | 12,048 | 96 km |
| 2001 | VIEJAS | 10,942 | 46 km |
| 1995 | SYCAMORE | 9,626 | 29 km |
| 2012 | STEWART | 9,501 | 90 km |
| 1996 | HARMONY | 9,289 | 77 km |
| 2004 | MATAGUAY | 9,087 | 92 km |
| 1995 | EL MONTE | 8,482 | 56 km |
| 2016 | BORDER 3 | 7,958 | 41 km |
| 1985 | MILLER | 7,809 | 30 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 56°F (13°C) | 2.3 in | Coldest, Wettest |
| February | 56°F (13°C) | 2.3 in | |
| March | 57°F (14°C) | 2.3 in | |
| April | 60°F (16°C) | 0.9 in | |
| May | 63°F (17°C) | 0.2 in | |
| June | 68°F (20°C) | 0.0 in | Driest |
| July | 72°F (22°C) | 0.1 in | |
| August | 74°F (23°C) | 0.2 in | Warmest |
| September | 72°F (22°C) | 0.2 in | |
| October | 67°F (19°C) | 0.5 in | |
| November | 61°F (16°C) | 1.3 in | |
| December | 56°F (13°C) | 1.7 in |
San Luis has a seasonal temperature swing of 18°F / from 56°F in January to 74°F in August. Total annual precipitation is 12.0 inches, with January being the wettest month (2.3") and June the driest (0.0").