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Weather & Climate in San Gregorio de las Casas, Mexico

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

San Gregorio de las Casas enjoys a temperate climate with an average annual temperature of 68°F (20°C). Winters average 64°F in January while summers reach 68°F in July / relatively mild seasonal variation. The area gets 352 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 69.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 6,296 feet.

Temperature

64°F Jan (18°C) 68°F Jul (20°C)
Annual Average67.5°F
25% above US avg
January Average64°F (18°C)
July Average68°F (20°C)
Sunny Days352 days/yr

Geography

Elevation6,296 ft (1,919 m)
Area142.6 sq mi (369.3 km²)
Population Density7/sq mi
Coordinates16.6875°N, 92.3889°W
TimezoneAmerica/Mexico_City

Precipitation & Snow

Annual Rainfall 69.2"
82% above US avg
Snowfall 0.0"
Wettest Month (Jun) 9.17"
Driest Month (Jan) 0.75"

Air Quality

Earthquake History

335 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.2.

Oct 21, 1995 13 km NW of Ocozocoautla de Espinosa, Mexico M7.2 116 km 159 km
Mar 14, 1994 6 km ENE of Rizo de Oro, Mexico M6.9 77 km 164 km
Dec 31, 1996 4 km SW of El Ramal (Porvenir), Mexico M6.4 114 km 100 km
Nov 28, 2001 2 km ESE of El Carmen, Mexico M6.4 146 km 85 km
Jan 19, 2001 6 km NNE of Hidalgo, Mexico M6.0 147 km 93 km
May 5, 2025 5 km NNE of Nuevo León, Mexico M5.8 25 km 261 km
Oct 17, 2000 4 km ENE of Nuevo Amatenango, Mexico M5.8 134 km 181 km
Feb 1, 2003 7 km NNW of Nuevo Vicente Guerrero (El Chichonal), Mexico M5.8 55 km 211 km
Jan 17, 2009 5 km NNW of Nueva Colombia, Mexico M5.8 112 km 169 km
Aug 5, 2015 11 km ENE of Tonalá, Mexico M5.7 149 km 101 km
Feb 23, 2010 19 km NNE of Barillas, Guatemala M5.6 145 km 10 km
Jan 9, 2001 7 km NE of Nuevo Milenio Valdivia, Mexico M5.6 138 km 92 km
Sep 1, 2012 11 km N of Plan de Agua Prieta, Mexico M5.5 65 km 257 km
Jul 30, 2013 9 km W of Querétaro, Mexico M5.4 107 km 122 km
Feb 8, 2002 7 km N of Dolores Jaltenango, Mexico M5.4 90 km 210 km
Jun 7, 2009 5 km SW of Emiliano Zapata, Mexico M5.4 116 km 140 km
Sep 1, 2015 4 km NNE of Hidalgo, Mexico M5.4 149 km 104 km
Jun 19, 2021 11 km NE of Rizo de Oro, Mexico M5.4 71 km 216 km
Mar 31, 2017 7 km SE of Pijijiapan, Mexico M5.2 142 km 92 km
Sep 17, 2004 9 km ENE of Ramón F. Balboa, Mexico M5.2 116 km 10 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Hurricane History

1 hurricane (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.

Year Name Category Max Wind Closest
2013 Barbara Category 1 81 mph 170 km
Source: NOAA IBTrACS (Category 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 78 km
Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

2 volcanoes within 200 km. Closest: Chichon, El (116 km).

Name Type Elevation Last Eruption Distance
Chichon, El Lava dome(s) 1,150 m (3,773 ft) 1982 116 km
Tacana Stratovolcano 4,064 m (13,333 ft) 1986 176 km
Source: Smithsonian Institution Global Volcanism Program (GVP).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 64°F (18°C) 0.8 in Driest
February 58°F (14°C) 0.8 in
March 61°F (16°C) 0.9 in
April 63°F (17°C) 1.8 in
May 64°F (18°C) 5.0 in
June 64°F (18°C) 9.2 in Wettest
July 68°F (20°C) 6.2 in Warmest
August 63°F (17°C) 7.1 in
September 63°F (17°C) 8.9 in
October 61°F (16°C) 4.3 in
November 59°F (15°C) 1.8 in
December 57°F (14°C) 0.9 in Coldest

San Gregorio de las Casas has a seasonal temperature swing of 11°F / from 57°F in December to 68°F in July. Total annual precipitation is 47.6 inches, with June being the wettest month (9.2") and January the driest (0.8").

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