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20 de Noviembre (El Morro), Mexico

Full City Profile

888 Population 1/sq mi density
36 ft Elevation 11 meters
82°F Avg Temperature 28°C
20 de Noviembre (El Morro) has a warm climate with an average annual temperature of 82°F (28°C). Winters average 79°F in January while summers reach 84°F in July. The area gets 254 sunny days per year. Annual precipitation totals 45.2 inches. The area receives 0.0 inches of snow annually.

Temperature

79°F Jan (26°C) 84°F Jul (29°C)
Annual Average82.3°F
52% above US avg
January Average79°F (26°C)
July Average84°F (29°C)
Sunny Days254 days/yr

Geography

Elevation36 ft (11 m)
Area904.1 sq mi (2,341.6 km²)
Population Density1/sq mi
Coordinates16.2897°N, 94.4806°W
TimezoneAmerica/Mexico_City

Precipitation & Snow

Annual Rainfall 45.2"
19% above US avg
Snowfall 0.0"
Wettest Month (Sep) 11.26"
Driest Month (Mar) 0.08"

Air Quality

Earthquake History

2,921 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.2. Most recent: M4.3 on Aug 26, 2025.

Oct 21, 1995 13 km NW of Ocozocoautla de Espinosa, Mexico M7.2 124 km
Apr 7, 2011 7 km SW of Helio García Alfaro, Mexico M6.6 103 km
Sep 30, 1993 90 km S of San Francisco del Mar Viejo, Mexico M6.5 100 km
Feb 12, 2008 9 km SSW of General Pascual Fentes, Mexico M6.5 20 km
Jun 7, 1998 2 km NNE of Cabeza de Toro, Mexico M6.3 84 km
Jul 6, 2007 6 km N of Lázaro Cárdenas, Mexico M6.1 53 km
Sep 23, 2017 7 km NNE of Ixtepec, Mexico M6.1 74 km
Aug 7, 2004 17 km WNW of Palomares, Mexico M5.9 128 km
Aug 18, 2004 8 km E of Juchitán de Zaragoza, Mexico M5.9 52 km
Jan 5, 2020 3 km W of Reforma de Pineda, Mexico M5.9 12 km
Jun 27, 2006 108 km SSW of Manuel Ávila Camacho (Ponte Duro), Mexico M5.8 150 km
Aug 9, 2023 7 km NNE of Tonalá, Mexico M5.8 82 km
May 21, 2014 2 km SSW of Palomares, Mexico M5.8 112 km
Sep 10, 2017 92 km S of San Francisco del Mar Viejo, Mexico M5.8 99 km
Sep 24, 2017 80 km SSW of Cabeza de Toro, Mexico M5.8 114 km
Sep 23, 2017 80 km SSW of La Gloria, Mexico M5.8 89 km
Mar 2, 2023 Oaxaca, Mexico M5.7 8 km
Sep 8, 2017 100 km SSW of Cabeza de Toro, Mexico M5.7 125 km
Aug 5, 2015 11 km ENE of Tonalá, Mexico M5.7 89 km
May 20, 2017 21 km SE of La Horqueta (Poblado Doce), Mexico M5.7 95 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

8 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4. Most recent: Erick (2025).

Year Name Category Closest
2025 Erick Category 4 293 km
2022 Agatha Category 2 210 km
2013 Barbara Category 1 61 km
2012 Carlotta Category 2 249 km
2005 Stan Category 1 261 km
1998 Lester Category 2 215 km
1997 Pauline Category 4 224 km
1997 Rick Category 1 168 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

2 tsunamis recorded within 500 km. Highest wave on record: 0.4 m (1 ft).

Year Location Cause Max Wave Deaths Distance
1965 MEXICO Earthquake 0.4 m 6 141 km
2025 OFF COAST OF OAXACA Earthquake 0.2 m — 83 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

1 volcano within 200 km. Closest: Chichon, El (179 km).

Name Type Elevation Last Eruption Distance
Chichon, El Lava dome(s) 1,150 m (3,773 ft) 1982 179 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 79°F (26°C) 0.0 in Coldest, Driest
February 80°F (27°C) 0.2 in
March 82°F (28°C) 0.1 in
April 85°F (29°C) 0.4 in
May 86°F (30°C) 4.4 in Warmest
June 84°F (29°C) 9.0 in
July 84°F (29°C) 6.5 in
August 84°F (29°C) 10.2 in
September 82°F (28°C) 11.3 in Wettest
October 82°F (28°C) 2.7 in
November 81°F (27°C) 0.5 in
December 79°F (26°C) 0.0 in

20 de Noviembre (El Morro) has a seasonal temperature swing of 7°F / from 79°F in January to 86°F in May. Total annual precipitation is 45.3 inches, with September being the wettest month (11.3") and January the driest (0.0").

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