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Julián Grajales (San Antonio), Mexico

Full City Profile

581 Population 2/sq mi density
2,215 ft Elevation 675 meters
73°F Avg Temperature 23°C
Julián Grajales (San Antonio) has a warm climate with an average annual temperature of 73°F (23°C). Winters average 68°F in January while summers reach 75°F in July. The area gets 208 sunny days per year. Annual precipitation totals 70.8 inches. The area receives 0.0 inches of snow annually.

Temperature

68°F Jan (20°C) 75°F Jul (24°C)
Annual Average72.9°F
35% above US avg
January Average68°F (20°C)
July Average75°F (24°C)
Sunny Days208 days/yr

Geography

Elevation2,215 ft (675 m)
Area268.8 sq mi (696.1 km²)
Population Density2/sq mi
Coordinates17.1236°N, 93.2622°W
TimezoneAmerica/Mexico_City

Precipitation & Snow

Annual Rainfall 70.8"
86% above US avg
Snowfall 0.0"
Wettest Month (Sep) 11.73"
Driest Month (Mar) 1.77"

Air Quality

Earthquake History

798 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.2. Most recent: M4.1 on Jul 8, 2025.

Oct 21, 1995 13 km NW of Ocozocoautla de Espinosa, Mexico M7.2 38 km
Apr 7, 2011 7 km SW of Helio García Alfaro, Mexico M6.6 115 km
Feb 12, 2008 9 km SSW of General Pascual Fentes, Mexico M6.5 140 km
Dec 31, 1996 4 km SW of El Ramal (Porvenir), Mexico M6.4 147 km
Jun 7, 1998 2 km NNE of Cabeza de Toro, Mexico M6.3 141 km
Jul 6, 2007 6 km N of Lázaro Cárdenas, Mexico M6.1 116 km
Aug 9, 2023 7 km NNE of Tonalá, Mexico M5.8 119 km
Feb 1, 2003 7 km NNW of Nuevo Vicente Guerrero (El Chichonal), Mexico M5.8 75 km
May 5, 2025 5 km NNE of Nuevo León, Mexico M5.8 100 km
Aug 5, 2015 11 km ENE of Tonalá, Mexico M5.7 117 km
May 20, 2017 21 km SE of La Horqueta (Poblado Doce), Mexico M5.7 88 km
Mar 12, 1994 30 km NNE of Santo Domingo Zanatepec, Mexico M5.6 115 km
Sep 1, 2012 11 km N of Plan de Agua Prieta, Mexico M5.5 112 km
Aug 12, 2019 7 km NE of Cabeza de Toro, Mexico M5.5 137 km
May 23, 2016 9 km WSW of Emiliano Zapata, Mexico M5.4 82 km
Jun 7, 2009 5 km SW of Emiliano Zapata, Mexico M5.4 110 km
Aug 5, 2024 17 km NW of Emiliano Zapata, Mexico M5.4 79 km
Jan 30, 2019 37 km NE of La Horqueta (Poblado Doce), Mexico M5.4 83 km
Jun 19, 2021 11 km NE of Rizo de Oro, Mexico M5.4 150 km
Feb 8, 2002 7 km N of Dolores Jaltenango, Mexico M5.4 139 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

3 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 3. Most recent: Barbara (2013).

Year Name Category Closest
2013 Barbara Category 1 123 km
2010 Karl Category 3 275 km
2005 Stan Category 1 237 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

1 tsunami recorded within 500 km. Highest wave on record: 50.0 m (164 ft).

Year Location Cause Max Wave Deaths Distance
2007 JUAN DE GRIJALVA, CHIAPAS Meteorological 50.0 m 19 35 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

1 volcano within 200 km. Closest: Chichon, El (27 km).

Name Type Elevation Last Eruption Distance
Chichon, El Lava dome(s) 1,150 m (3,773 ft) 1982 27 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 68°F (20°C) 3.3 in Coldest
February 69°F (20°C) 2.6 in
March 73°F (23°C) 1.8 in Driest
April 76°F (24°C) 2.1 in
May 78°F (25°C) 4.5 in Warmest
June 76°F (25°C) 9.8 in
July 75°F (24°C) 8.4 in
August 75°F (24°C) 9.5 in
September 75°F (24°C) 11.7 in Wettest
October 73°F (23°C) 8.5 in
November 70°F (21°C) 5.0 in
December 68°F (20°C) 3.7 in

Julián Grajales (San Antonio) has a seasonal temperature swing of 10°F / from 68°F in January to 78°F in May. Total annual precipitation is 70.8 inches, with September being the wettest month (11.7") and March the driest (1.8").

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