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Río Humo, Mexico

Full City Profile

524 Population 11/sq mi density
7,510 ft Elevation 2,289 meters
62°F Avg Temperature 17°C
Río Humo enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 58°F in January while summers reach 63°F in July. The area gets 261 sunny days per year. Annual precipitation totals 41.3 inches. The area receives 0.0 inches of snow annually.

Temperature

58°F Jan (15°C) 63°F Jul (17°C)
Annual Average62.0°F
15% above US avg
January Average58°F (15°C)
July Average63°F (17°C)
Sunny Days261 days/yr

Geography

Elevation7,510 ft (2,289 m)
Area46.8 sq mi (121.2 km²)
Population Density11/sq mi
Coordinates16.7233°N, 97.2404°W
TimezoneAmerica/Mexico_City

Precipitation & Snow

Annual Rainfall 41.3"
9% above US avg
Snowfall 0.0"
Wettest Month (Jun) 9.21"
Driest Month (Jan) 0.31"

Air Quality

Earthquake History

1,985 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.5. Most recent: M4.4 on Aug 21, 2025.

Sep 30, 1999 15 km W of San Baltazar Loxicha, Mexico M7.5 81 km
Mar 20, 2012 6 km E of Santiago Llano Grande, Mexico M7.4 109 km
Sep 14, 1995 5 km N of Azoyú, Mexico M7.4 145 km
Feb 16, 2018 4 km S of Pinotepa de Don Luis, Mexico M7.2 87 km
Feb 25, 1996 24 km SSW of Santa María Chico Ometepec, Mexico M7.1 121 km
Jul 19, 1997 4 km ENE of El Ciruelo, Mexico M6.9 113 km
Feb 3, 1998 2 km E of Benito Juárez, Mexico M6.4 137 km
Jun 30, 2010 2 km ESE of San Agustín Chayuco, Mexico M6.3 68 km
Feb 25, 1996 7 km SE of Santa María Chico Ometepec, Mexico M6.2 99 km
May 15, 1993 1 km ENE of Ometepec, Mexico M6.1 123 km
May 15, 1993 2 km SSW of Ometepec, Mexico M6.0 125 km
Apr 2, 2012 7 km SSW of Santa María Cortijo, Mexico M6.0 120 km
Jun 14, 2004 0 km W of Santa Catarina Mechoacán, Mexico M5.9 77 km
Feb 19, 2018 4 km SSE of Santiago Tetepec, Mexico M5.9 72 km
Mar 19, 1996 21 km WSW of Bajos de Chila, Mexico M5.9 97 km
May 8, 2016 3 km WNW of San Agustín Chayuco, Mexico M5.8 73 km
Apr 1, 1991 11 km SW of Corralero, Mexico M5.8 126 km
Feb 17, 2018 8 km SE of José María Morelos, Mexico M5.8 92 km
Mar 10, 2014 26 km SW of Corralero, Mexico M5.8 139 km
Feb 23, 1994 12 km W of San Juan de los Cues, Mexico M5.8 148 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 4 116 km
2024 John Category 3 172 km
2023 Otis Category 5 271 km
2022 Agatha Category 2 128 km
2017 Max Category 1 177 km
2012 Carlotta Category 2 70 km
2011 Hilary Category 3 241 km
2010 Karl Category 3 247 km
1998 Lester Category 2 248 km
1997 Pauline Category 4 89 km
1997 Rick Category 2 92 km
1989 Cosme Category 1 188 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

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

Year Location Cause Max Wave Deaths Distance
1787 SAN MARCOS Earthquake 4.0 m 11 137 km
1995 S. MEXICO Earthquake 0.4 m 3 145 km
1950 S. MEXICO Earthquake 0.3 m — 108 km
2022 S. MEXICO Earthquake 0.2 m — 150 km
2012 S. MEXICO Earthquake 0.2 m 2 109 km
1928 S. MEXICO Earthquake 0.2 m 4 80 km
1996 MEXICO Earthquake 0.1 m — 121 km
1968 ACAPULCO Earthquake — 18 58 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 58°F (15°C) 0.3 in Coldest, Driest
February 60°F (15°C) 0.4 in
March 62°F (17°C) 0.4 in
April 64°F (18°C) 1.1 in
May 65°F (18°C) 3.4 in Warmest
June 64°F (18°C) 9.2 in Wettest
July 63°F (17°C) 7.0 in
August 63°F (17°C) 7.8 in
September 63°F (17°C) 6.9 in
October 62°F (17°C) 3.1 in
November 60°F (16°C) 1.1 in
December 59°F (15°C) 0.7 in

Río Humo has a seasonal temperature swing of 7°F / from 58°F in January to 65°F in May. Total annual precipitation is 41.3 inches, with June being the wettest month (9.2") and January the driest (0.3").

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