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Sasamulco, Mexico

Full City Profile

737 Population 2/sq mi density
2,762 ft Elevation 842 meters
79°F Avg Temperature 26°C
Sasamulco has a warm climate with an average annual temperature of 79°F (26°C). Winters average 75°F in January while summers reach 79°F in July. The area gets 262 sunny days per year. Annual precipitation totals 41.0 inches. The area receives 0.0 inches of snow annually.

Temperature

75°F Jan (24°C) 79°F Jul (26°C)
Annual Average79.0°F
46% above US avg
January Average75°F (24°C)
July Average79°F (26°C)
Sunny Days262 days/yr

Geography

Elevation2,762 ft (842 m)
Area301.4 sq mi (780.7 km²)
Population Density2/sq mi
Coordinates18.1583°N, 99.5755°W
TimezoneAmerica/Mexico_City

Precipitation & Snow

Annual Rainfall 41.0"
8% above US avg
Snowfall 0.0"
Wettest Month (Aug) 8.86"
Driest Month (Mar) 0.08"

Air Quality

Earthquake History

1,223 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.1. Most recent: M4.4 on Jun 12, 2025.

Sep 19, 2017 1 km S of Matzaco, Mexico M7.1 123 km
May 23, 1994 4 km W of San Cristóbal, Mexico M6.3 101 km
Aug 21, 2013 5 km ESE of Barrio Nuevo de los Muertos, Mexico M6.2 143 km
Nov 15, 2012 8 km N of San José Poliutla, Mexico M6.1 88 km
Apr 13, 2007 5 km SE of El Paraíso, Mexico M6.0 116 km
Oct 8, 2001 3 km WSW of Tixtlancingo, Mexico M5.9 132 km
Jul 21, 2000 12 km NW of Jolalpan, Mexico M5.9 75 km
Apr 28, 2008 21 km WNW of Tlacotepec, Mexico M5.8 72 km
Apr 27, 2009 2 km WNW of Pochotillo, Mexico M5.8 126 km
Jun 16, 2013 5 km N of Tequicuilco, Mexico M5.8 39 km
May 22, 2009 3 km E of Chila de la Sal, Mexico M5.6 118 km
Aug 15, 2009 3 km NE of San Miguel Totolapan, Mexico M5.5 84 km
Apr 26, 2011 8 km NNE of El Cortés, Mexico M5.5 146 km
Mar 20, 2015 3 km SSE of Xicotlán, Mexico M5.4 113 km
Jul 5, 1998 1 km WSW of Bajos del Ejido, Mexico M5.3 141 km
Jul 27, 2024 4 km NE of Platanillo, Mexico M5.3 123 km
Jan 13, 1990 5 km N of El Cortés, Mexico M5.3 148 km
Apr 13, 2007 4 km ENE of Cacalutla, Mexico M5.3 138 km
Apr 5, 2013 9 km E of Técpan de Galeana, Mexico M5.3 146 km
Feb 20, 2006 15 km SE of Patambó, Mexico M5.2 125 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2025 Erick Category 4 121 km
2024 John Category 3 98 km
2023 Otis Category 5 92 km
2023 Beatriz Category 1 280 km
2021 Rick Category 2 254 km
2017 Max Category 1 177 km
2015 Carlos Category 1 229 km
2012 Carlotta Category 2 256 km
2011 Hilary Category 4 263 km
1997 Pauline Category 3 130 km
1997 Rick Category 2 298 km
1996 Alma Category 2 299 km
1996 Boris Category 1 200 km
1989 Cosme Category 1 153 km
1984 Odile Category 2 229 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

6 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 107 km
1907 S. MEXICO Earthquake 2.0 m 8 136 km
1962 S. MEXICO Earthquake 0.8 m 4 107 km
2021 S. MEXICO Earthquake 0.5 m 3 133 km
1962 S. MEXICO Earthquake 0.3 m 3 107 km
2026 ACAPULCO Earthquake 0.1 m 2 143 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

6 volcanoes within 200 km. Closest: Toluca, Nevado de (107 km).

Name Type Elevation Last Eruption Distance
Toluca, Nevado de Stratovolcano 4,680 m (15,354 ft) -1350 107 km
Chichinautzin Volcanic field 3,930 m (12,894 ft) 400 113 km
Popocatepetl Stratovolcano(es) 5,393 m (17,694 ft) 2020 139 km
Iztaccihuatl Stratovolcano 5,230 m (17,159 ft) Unknown 150 km
Zitacuaro-Valle de Bravo Caldera 3,500 m (11,483 ft) -3050 155 km
Papayo Lava dome 3,600 m (11,811 ft) Unknown 158 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 75°F (24°C) 0.4 in Coldest
February 77°F (25°C) 0.1 in
March 81°F (27°C) 0.1 in Driest
April 84°F (29°C) 0.5 in
May 85°F (29°C) 2.5 in Warmest
June 81°F (27°C) 8.3 in
July 79°F (26°C) 7.7 in
August 79°F (26°C) 8.9 in Wettest
September 78°F (26°C) 8.9 in
October 78°F (25°C) 3.2 in
November 77°F (25°C) 0.4 in
December 75°F (24°C) 0.2 in

Sasamulco has a seasonal temperature swing of 10°F / from 75°F in January to 85°F in May. Total annual precipitation is 41.0 inches, with August being the wettest month (8.9") and March the driest (0.1").

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