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San Jerónimo el Grande, Mexico

Full City Profile

1,472 Population 11/sq mi density
906 ft Elevation 276 meters
82°F Avg Temperature 28°C
San Jerónimo el Grande has a warm climate with an average annual temperature of 82°F (28°C). Winters average 78°F in January while summers reach 81°F in July. The area gets 261 sunny days per year. Annual precipitation totals 41.1 inches. The area receives 0.0 inches of snow annually.

Temperature

78°F Jan (26°C) 81°F Jul (27°C)
Annual Average82.2°F
52% above US avg
January Average78°F (26°C)
July Average81°F (27°C)
Sunny Days261 days/yr

Geography

Elevation906 ft (276 m)
Area129.7 sq mi (335.9 km²)
Population Density11/sq mi
Coordinates18.2117°N, 100.5018°W
TimezoneAmerica/Mexico_City

Precipitation & Snow

Annual Rainfall 41.1"
8% above US avg
Snowfall 0.0"
Wettest Month (Jul) 9.29"
Driest Month (Mar) 0.08"

Air Quality

Earthquake History

1,811 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.2. Most recent: M4.4 on Jun 12, 2025.

Apr 18, 2014 9 km ENE of Coyuquilla Norte, Mexico M7.2 103 km
Jul 15, 1996 26 km NNE of Coyuquilla Norte, Mexico M6.8 84 km
Apr 18, 2002 27 km SSW of Nuxco, Mexico M6.8 142 km
May 22, 1997 5 km ENE of Churumuco de Morelos, Mexico M6.5 128 km
Dec 10, 1994 22 km SW of Guayameo, Mexico M6.5 94 km
May 8, 2014 3 km NNE of Nuxco, Mexico M6.4 112 km
May 23, 1994 4 km W of San Cristóbal, Mexico M6.3 6 km
Jun 21, 1999 20 km E of Coahuayutla de Guerrero, Mexico M6.3 110 km
Jan 1, 2004 6 km SW of Petatlán, Mexico M6.1 117 km
Nov 15, 2012 8 km N of San José Poliutla, Mexico M6.1 20 km
May 31, 1990 7 km NE of Nuxco, Mexico M6.0 108 km
Apr 13, 2007 5 km SE of El Paraíso, Mexico M6.0 106 km
May 10, 2014 6 km W of Nuxco, Mexico M6.0 115 km
Apr 20, 1998 17 km ENE of Aratichanguío, Mexico M6.0 82 km
Apr 18, 2002 24 km WSW of Papanoa, Mexico M5.9 135 km
Dec 29, 1999 19 km WSW of Guayameo, Mexico M5.9 98 km
Oct 8, 2001 3 km WSW of Tixtlancingo, Mexico M5.9 141 km
Apr 28, 2008 21 km WNW of Tlacotepec, Mexico M5.8 54 km
Jun 16, 2013 5 km N of Tequicuilco, Mexico M5.8 137 km
Jan 1, 2004 13 km SSW of Petatlán, Mexico M5.7 123 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

22 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 5. Most recent: Erick (2025).

Year Name Category Closest
2025 Erick Category 4 178 km
2024 John Category 3 126 km
2023 Otis Category 5 61 km
2023 Beatriz Category 1 209 km
2021 Rick Category 2 162 km
2017 Max Category 1 204 km
2015 Marty Category 1 254 km
2015 Carlos Category 1 203 km
2013 Raymond Category 3 250 km
2011 Hilary Category 4 248 km
2011 Beatriz Category 1 297 km
2009 Andres Category 1 284 km
2006 John Category 4 270 km
1997 Pauline Category 2 159 km
1996 Alma Category 2 202 km
1996 Hernan Category 1 240 km
1996 Boris Category 1 126 km
1993 Calvin Category 2 247 km
1992 Virgil Category 4 254 km
1989 Cosme Category 1 216 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

9 tsunamis recorded within 500 km. Highest wave on record: 4.0 m (13 ft).

Year Location Cause Max Wave Deaths Distance
1820 S. MEXICO Earthquake 4.0 m 148 km
1907 S. MEXICO Earthquake 2.0 m 8 145 km
1979 S. MEXICO Earthquake 1.3 m 5 93 km
1985 MEXICO Earthquake 1.2 m 129 km
1962 S. MEXICO Earthquake 0.8 m 4 148 km
2014 S. MEXICO Earthquake 0.4 m 103 km
2002 S. MEXICO Earthquake 142 km
1933 MEXICO Earthquake 100 km
1845 S. MEXICO Earthquake 135 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

3 volcanoes within 200 km. Closest: Toluca, Nevado de (127 km).

Name Type Elevation Last Eruption Distance
Toluca, Nevado de Stratovolcano 4,680 m (15,354 ft) -1350 127 km
Zitacuaro-Valle de Bravo Caldera 3,500 m (11,483 ft) -3050 135 km
Chichinautzin Volcanic field 3,930 m (12,894 ft) 400 174 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 78°F (26°C) 0.4 in Coldest
February 80°F (27°C) 0.2 in
March 84°F (29°C) 0.1 in Driest
April 88°F (31°C) 0.1 in
May 89°F (32°C) 1.1 in Warmest
June 85°F (29°C) 7.8 in
July 81°F (27°C) 9.3 in Wettest
August 81°F (27°C) 9.3 in
September 81°F (27°C) 8.8 in
October 81°F (27°C) 3.4 in
November 81°F (27°C) 0.4 in
December 79°F (26°C) 0.2 in

San Jerónimo el Grande has a seasonal temperature swing of 11°F / from 78°F in January to 89°F in May. Total annual precipitation is 41.1 inches, with July being the wettest month (9.3") and March the driest (0.1").

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