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Santiago Tillo, Mexico

Full City Profile

388 Population 1/sq mi density
6,860 ft Elevation 2,091 meters
60°F Avg Temperature 15°C
Santiago Tillo enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 56°F in January while summers reach 60°F in July. The area gets 363 sunny days per year. Annual precipitation totals 26.3 inches. The area receives 0.0 inches of snow annually.

Temperature

56°F Jan (13°C) 60°F Jul (16°C)
Annual Average59.5°F
10% above US avg
January Average56°F (13°C)
July Average60°F (16°C)
Sunny Days363 days/yr

Geography

Elevation6,860 ft (2,091 m)
Area316.7 sq mi (820.4 km²)
Population Density1/sq mi
Coordinates17.4608°N, 97.3201°W
TimezoneAmerica/Mexico_City

Precipitation & Snow

Annual Rainfall 26.3"
31% below US avg
Snowfall 0.0"
Wettest Month (Jun) 5.55"
Driest Month (Jan) 0.12"

Air Quality

Earthquake History

534 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.4. Most recent: M5.8 on Aug 2, 2025.

Mar 20, 2012 6 km E of Santiago Llano Grande, Mexico M7.4 145 km
Feb 16, 2018 4 km S of Pinotepa de Don Luis, Mexico M7.2 139 km
Jun 15, 1999 1 km SE of Texcala, Mexico M7.0 104 km
Jun 30, 2010 2 km ESE of San Agustín Chayuco, Mexico M6.3 128 km
May 15, 1993 1 km ENE of Ometepec, Mexico M6.1 142 km
May 15, 1993 2 km SSW of Ometepec, Mexico M6.0 146 km
Jun 14, 2004 0 km W of Santa Catarina Mechoacán, Mexico M5.9 137 km
Feb 19, 2018 4 km SSE of Santiago Tetepec, Mexico M5.9 138 km
Aug 2, 2025 4 km S of Xagacía, Mexico M5.8 119 km
Feb 23, 1994 12 km W of San Juan de los Cues, Mexico M5.8 67 km
May 8, 2016 3 km WNW of San Agustín Chayuco, Mexico M5.8 129 km
Jun 27, 2016 8 km S of La Reforma, Mexico M5.7 115 km
May 24, 2014 2 km S of San Sebastián Ixcapa, Mexico M5.7 136 km
Mar 27, 1996 1 km W of San Miguel Tlacamama, Mexico M5.6 142 km
May 22, 2009 3 km E of Chila de la Sal, Mexico M5.6 141 km
Mar 15, 2025 5 km W of San Pedro Tidaá, Mexico M5.6 18 km
Jan 21, 1997 3 km E of San Miguel Tlacamama, Mexico M5.5 139 km
Nov 24, 1991 4 km NNE of San Lorenzo, Mexico M5.4 128 km
Mar 20, 2015 3 km SSE of Xicotlán, Mexico M5.4 142 km
Nov 8, 2002 3 km W of Rancho Viejo, Mexico M5.3 144 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2025 Erick Category 4 165 km
2024 John Category 3 193 km
2023 Otis Category 5 277 km
2022 Agatha Category 2 199 km
2017 Franklin Category 1 292 km
2017 Max Category 1 188 km
2012 Carlotta Category 2 123 km
2010 Karl Category 3 169 km
2005 Stan Category 1 286 km
1997 Pauline Category 4 157 km
1997 Rick Category 2 174 km
1989 Cosme Category 1 189 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

3 tsunamis recorded within 500 km. Highest wave on record: 0.3 m (1 ft).

Year Location Cause Max Wave Deaths Distance
1950 S. MEXICO Earthquake 0.3 m 145 km
2012 S. MEXICO Earthquake 0.2 m 2 145 km
1968 ACAPULCO Earthquake 18 114 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

2 volcanoes within 200 km. Closest: Orizaba, Pico de (175 km).

Name Type Elevation Last Eruption Distance
Orizaba, Pico de Stratovolcano 5,564 m (18,255 ft) 1846 175 km
Cumbres, Las Stratovolcano 3,940 m (12,927 ft) -3920 188 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 56°F (13°C) 0.1 in Coldest, Driest
February 60°F (16°C) 0.2 in
March 63°F (17°C) 0.4 in
April 66°F (19°C) 1.2 in
May 67°F (19°C) 2.8 in Warmest
June 65°F (18°C) 5.6 in Wettest
July 60°F (16°C) 4.1 in
August 64°F (18°C) 4.3 in
September 63°F (17°C) 4.3 in
October 62°F (17°C) 1.7 in
November 60°F (16°C) 0.5 in
December 59°F (15°C) 0.2 in

Santiago Tillo has a seasonal temperature swing of 11°F / from 56°F in January to 67°F in May. Total annual precipitation is 25.4 inches, with June being the wettest month (5.6") and January the driest (0.1").

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