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Río Viejo, Mexico

Full City Profile

974 Population 2/sq mi density
33 ft Elevation 10 meters
78°F Avg Temperature 26°C
Río Viejo has a warm climate with an average annual temperature of 78°F (26°C). Winters average 70°F in January while summers reach 83°F in July. The area gets 254 sunny days per year. Annual precipitation totals 45.0 inches. The area receives 0.0 inches of snow annually.

Temperature

70°F Jan (21°C) 83°F Jul (28°C)
Annual Average78.0°F
44% above US avg
January Average70°F (21°C)
July Average83°F (28°C)
Sunny Days254 days/yr

Geography

Elevation33 ft (10 m)
Area652.3 sq mi (1,689.5 km²)
Population Density2/sq mi
Coordinates22.3931°N, 105.5356°W
TimezoneAmerica/Mazatlan

Precipitation & Snow

Annual Rainfall 45.0"
18% above US avg
Snowfall 0.0"
Wettest Month (Aug) 12.56"
Driest Month (Apr) 0.04"

Air Quality

Earthquake History

18 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.1. Most recent: M4.4 on Oct 3, 2024.

Nov 13, 2001 109 km SW of Barrón, Mexico M6.1 148 km
Apr 1, 1991 112 km SW of Barrón, Mexico M5.6 150 km
Sep 14, 2010 60 km WSW of Villa Juárez, Mexico M5.6 109 km
Feb 14, 1999 120 km WSW of Santa Cruz, Mexico M5.1 149 km
Feb 11, 2007 102 km SW of Santa Cruz, Mexico M5.0 142 km
Nov 13, 2001 93 km SW of Los Pozos, Mexico M4.8 130 km
Jan 21, 2007 99 km SW of Santa Cruz, Mexico M4.8 139 km
Sep 14, 2010 74 km WSW of Villa Juárez, Mexico M4.5 125 km
Oct 3, 2024 120 km WSW of Palmar de Cuautla, Mexico M4.4 137 km
Oct 28, 1998 4 km NNE of Santiago de Pochotitán, Mexico M4.4 123 km
Jul 4, 2008 8 km E of El Jicote, Mexico M4.4 93 km
Sep 22, 2011 113 km WSW of Santa Cruz, Mexico M4.3 137 km
Apr 26, 2017 98 km SW of Santa Cruz, Mexico M4.2 137 km
Mar 28, 2017 98 km WSW of Santa Cruz, Mexico M4.1 126 km
Sep 15, 2010 89 km WSW of Villa Juárez, Mexico M4.0 132 km
Feb 16, 2023 64 km WSW of Palmar de Cuautla, Mexico M4.0 83 km
Aug 24, 2001 11 km E of Yago, Mexico M4.0 86 km
Mar 15, 2001 3 km ESE of Atonalisco, Mexico M4.0 111 km
Oct 29, 1998 19 km NNE of Santiago de Pochotitán, Mexico M3.9 118 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

24 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 5. Most recent: Lidia (2023).

Year Name Category Closest
2023 Lidia Category 4 212 km
2022 Roslyn Category 4 33 km
2022 Orlene Category 3 72 km
2021 Pamela Category 1 186 km
2021 Nora Category 1 200 km
2021 Enrique Category 1 257 km
2018 Willa Category 4 44 km
2015 Patricia Category 1 241 km
2011 Jova Category 1 261 km
2006 Lane Category 3 142 km
2006 John Category 3 255 km
2002 Kenna Category 5 55 km
1998 Madeline Category 1 149 km
1995 Henriette Category 1 254 km
1994 Rosa Category 2 39 km
1993 Lidia Category 2 286 km
1993 Calvin Category 1 278 km
1989 Kiko Category 2 255 km
1986 Roslyn Category 1 164 km
1986 Newton Category 1 221 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Nearby Volcanoes

2 volcanoes within 200 km. Closest: Isabel, Isla (71 km).

Name Type Elevation Last Eruption Distance
Isabel, Isla Tuff cone(s) 95 m (312 ft) Unknown 71 km
Ceboruco Stratovolcano 2,280 m (7,480 ft) 1875 177 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 70°F (21°C) 1.2 in Coldest
February 71°F (22°C) 0.3 in
March 73°F (23°C) 0.1 in
April 76°F (24°C) 0.0 in Driest
May 80°F (27°C) 0.0 in
June 84°F (29°C) 3.0 in Warmest
July 83°F (28°C) 11.5 in
August 83°F (28°C) 12.6 in Wettest
September 83°F (28°C) 10.2 in
October 82°F (28°C) 3.9 in
November 78°F (26°C) 1.3 in
December 73°F (23°C) 0.8 in

Río Viejo has a seasonal temperature swing of 13°F / from 70°F in January to 84°F in June. Total annual precipitation is 45.0 inches, with August being the wettest month (12.6") and April the driest (0.0").

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