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Riachão, Brazil
Maranhão · Brazil
Riachão is a small city in Maranhão, Brazil with a population of 22,145. Elevation: 1,263 ft (385 m). Average temperature: 77°F (25°C).
Data updated June 2026
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About Riachão
Riachão, Maranhão is a municipality in the state of Maranhão in the Northeast region of Brazil.
People
Economy
C+Climate
| Population | 22,145 |
| Population Density | 5 / sq mi |
| Elevation | 1,263 ft (385 m) |
| Coordinates | -7.3619°, -46.6172° |
| Timezone | America/Fortaleza |
| Country | 🇧🇷 Brazil |
| State / Province | Maranhão |
| Average Temperature | 77°F (25°C) |
| January Average | 76°F (24°C) |
| July Average | 76°F (25°C) |
| Annual Precipitation | 50.6 inches (1,285 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
| Median Household Income | $1,440 |
About Riachão
Riachão is a small city in Brazil (Maranhão) with a population of 22,145. The city sits at an elevation of 1,263 feet (385 meters) above sea level. The average annual temperature is 77°F (25°C). Temperatures range from 76°F in January to 76°F in July. Annual precipitation averages 50.6 inches. The timezone is America/Fortaleza.
Income: Riachão vs Brazil
Commute Mode
Income
| Median HH Income | $1,440 |
| 98% below Brazil avg |
Employment & Poverty
| Establishments (County) | 376 |
Business (County)
Tax & Cost of Living
Commute & Transportation
Walkability
Climate in Riachão
Riachão has an average annual temperature of 27.9°C (82°F). The hottest month is Sep (31°C), the coldest is Mar (26°C). Average annual precipitation is 1295 mm.
Temperature
| Annual Average | 77.1°F |
| 43% above Brazil avg | |
| January Average | 76°F (24°C) |
| July Average | 76°F (25°C) |
| Sunny Days | 244 days/yr |
Geography
| Elevation | 1,263 ft (385 m) |
| Area | 4,418.3 sq mi (11,443.4 km²) |
| Population Density | 5/sq mi |
| Coordinates | -7.3619°N, 46.6172°W |
| Timezone | America/Fortaleza |
Precipitation & Snow
Air Quality
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 76°F (24°C) | 8.0 in | Coldest |
| February | 76°F (24°C) | 7.4 in | |
| March | 76°F (25°C) | 8.5 in | Wettest |
| April | 77°F (25°C) | 6.0 in | |
| May | 77°F (25°C) | 1.5 in | |
| June | 76°F (24°C) | 0.5 in | |
| July | 76°F (25°C) | 0.2 in | Driest |
| August | 79°F (26°C) | 0.4 in | |
| September | 80°F (27°C) | 1.5 in | Warmest |
| October | 79°F (26°C) | 4.1 in | |
| November | 78°F (25°C) | 5.8 in | |
| December | 77°F (25°C) | 6.7 in |
Riachão has a seasonal temperature swing of 4°F / from 76°F in January to 80°F in September. Total annual precipitation is 50.6 inches, with March being the wettest month (8.5") and July the driest (0.2").
Schools in Riachão
9 public schools (NCES 2022-23 data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| UE Maria Sarmento Bastos | — | — | — | — |
| Centro de Ensino Luso Rocha | — | — | — | — |
| Unidade Integrada Governador Luís Rocha | — | — | — | — |
| UE Nair Santos | — | — | — | — |
| UE Alto Rócio | — | — | — | — |
| UE Orsina Lobão | — | — | — | — |
| Pré Escola Cirandinha | — | — | — | — |
| UE Nossa Senhora da Penha | — | — | — | — |
| Ji De Olho No Futuro | — | — | — | — |
Hotels in Riachão
1 hotels within city radius — OpenStreetMap data
Clinics in Riachão
1 clinics within city radius — OpenStreetMap data
Bus Stations in Riachão
1 bus stations within city radius — OpenStreetMap data
Gas Stations in Riachão
3 gas stations within city radius — OpenStreetMap data
Airports Near Riachão
14 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Agrosserra Airport | — | Small Airport |
| Balsas Airport | BSS | Small Airport |
| Bentevi Airstrip | — | Small Airport |
| Fazenda Cajueiro - Balsas Airport | — | Small Airport |
| Fazenda Dona Nina Airstrip | — | Small Airport |
| Fazenda Feira Nova Airstrip | — | Small Airport |
| Fazenda Guaíra Airport | — | Small Airport |
| Fazenda Irajá Airport | — | Small Airport |
| Fazenda Pansera Airport | — | Small Airport |
| Fazenda Roseira Airport | — | Small Airport |
| Fazenda São Gabriel Airport | — | Small Airport |
| Goiatins Airstrip | — | Small Airport |
| Heringer Airport | — | Small Airport |
| Riachão Airport | — | Small Airport |
Churches & Religious Organizations in Riachão
3 religious organizations (IRS tax-exempt data).
| Name | Address |
|---|---|
| Assembleia de Deus | |
| Congregação Porta Formosa | |
| Igreja Católica |
Explore Near Riachão
Quick Facts
🇧🇷 About Brazil
Public Holidays in Brazil
15 public holidays this year
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Get ReportFrequently Asked Questions About Riachão
What is the population of Riachão?
Riachão has a population of 22,145 residents and is located in Brazil. The population density is 5 people per square mile, spread across 4,418.3 square miles.
Is Riachão expensive to live in?
The median household income is $1,440, 98% below the national average of $75,149.
What is the weather like in Riachão?
Riachão has a warm climate with an average annual temperature of 77°F (25°C). Winter temperatures average 76°F in January, while summers reach an average of 76°F in July. The area receives 244 sunny days per year. Annual rainfall totals 50.6 inches.
How is the job market in Riachão?
There are 376 business establishments in the area.