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Río Seco, Mexico
Oaxaca · Mexico
Río Seco is a small town in Oaxaca, Mexico with a population of 654. Elevation: 85 ft (26 m). Average temperature: 82°F (28°C).
Data updated June 2026
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People
Economy
Climate
| Population | 654 |
| Population Density | 2 / sq mi |
| Elevation | 85 ft (26 m) |
| Coordinates | 15.9356°, -95.7523° |
| Timezone | America/Mexico_City |
| Country | 🇲🇽 Mexico |
| State / Province | Oaxaca |
| Average Temperature | 82°F (28°C) |
| January Average | 80°F (27°C) |
| July Average | 82°F (28°C) |
| Annual Precipitation | 38.6 inches (981 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
About Río Seco
Río Seco is a small town in Mexico (Oaxaca) with a population of 654. The city sits at an elevation of 85 feet (26 meters) above sea level. The average annual temperature is 82°F (28°C). Temperatures range from 80°F in January to 82°F in July. Annual precipitation averages 38.6 inches. The timezone is America/Mexico_City.
Income: Río Seco vs Mexico
Commute Mode
Income
Employment & Poverty
| Unemployment | 1.3% |
| 64% below Mexico avg | |
| Establishments (County) | 21 |
Business (County)
Tax & Cost of Living
Commute & Transportation
Walkability
Temperature
| Annual Average | 81.8°F |
| 51% above Mexico avg | |
| January Average | 80°F (27°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 266 days/yr |
Geography
| Elevation | 85 ft (26 m) |
| Area | 273.8 sq mi (709.1 km²) |
| Population Density | 2/sq mi |
| Coordinates | 15.9356°N, 95.7523°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Tsunami History
7 tsunamis recorded within 500 km. Highest wave on record: 1.6 m (5 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2020 | OFF COAST OF OAXACA | Earthquake | 1.6 m | 10 | 28 km |
| 1965 | MEXICO | Earthquake | 0.4 m | 6 | 41 km |
| 2022 | S. MEXICO | Earthquake | 0.2 m | — | 34 km |
| 1928 | S. MEXICO | Earthquake | 0.2 m | 4 | 138 km |
| 2025 | OFF COAST OF OAXACA | Earthquake | 0.2 m | — | 76 km |
| 1928 | MEXICO | Earthquake | — | — | 48 km |
| 1870 | PUERTO ANGEL, MEXICO | Earthquake | — | 24 | 84 km |
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 80°F (27°C) | 0.1 in | Coldest, Driest |
| February | 80°F (27°C) | 0.2 in | |
| March | 82°F (28°C) | 0.3 in | |
| April | 83°F (29°C) | 0.6 in | |
| May | 85°F (29°C) | 2.8 in | Warmest |
| June | 82°F (28°C) | 9.1 in | Wettest |
| July | 82°F (28°C) | 5.6 in | |
| August | 82°F (28°C) | 7.6 in | |
| September | 81°F (27°C) | 8.8 in | |
| October | 81°F (27°C) | 3.0 in | |
| November | 82°F (28°C) | 0.6 in | |
| December | 80°F (27°C) | 0.1 in |
Río Seco has a seasonal temperature swing of 5°F / from 80°F in January to 85°F in May. Total annual precipitation is 38.6 inches, with June being the wettest month (9.1") and January the driest (0.1").
Restaurants in Río Seco
1 restaurants within city radius — OpenStreetMap data
Airports Near Río Seco
3 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Bahías de Huatulco International Airport | HUX | Large Airport |
| General Antonio Cárdenas Rodríguez National Airport / Ixtepec Air Base | IZT | Medium Airport |
| Estación Aeronaval de Salina Cruz | SCX | Small Airport |
Quick Facts
🇲🇽 About Mexico
Public Holidays in Mexico
9 public holidays this year
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Get ReportFrequently Asked Questions About Río Seco
What is the population of Río Seco?
Río Seco has a population of 654 residents and is located in Mexico. The population density is 2 people per square mile, spread across 273.8 square miles.
What is the weather like in Río Seco?
Río Seco has a warm climate with an average annual temperature of 82°F (28°C). Winter temperatures average 80°F in January, while summers reach an average of 82°F in July. The area receives 266 sunny days per year, well above the national average of 205. Annual rainfall totals 38.6 inches.
How is the job market in Río Seco?
The job market in Río Seco is very strong, with unemployment at just 1.3% / well below the national rate of 3.6%. There are 21 business establishments in the area.