São João do Arraial, Brazil
Piauí · Brazil
São João do Arraial is a small city in Piauí, Brazil with a population of 8,186. Elevation: 335 ft (102 m). Average temperature: 80°F (27°C).
Population source: Wikidata (dated census and official estimates), GeoNames. Climate: WorldClim 2.1 normals (1970-2000), NASA POWER. Updated August 2026
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About São João do Arraial
São João do Arraial is a municipality in the state of Piauí in the Northeast region of Brazil.
People
Climate
| Population | 8,186 |
| Population Density | 94 / sq mi |
| Elevation | 335 ft (102 m) |
| Coordinates | -3.8148°, -42.4524° |
| Timezone | America/Fortaleza |
| Country | 🇧🇷 Brazil |
| State / Province | Piauí |
| Average Temperature | 80°F (27°C) |
| January Average | 78°F (25°C) |
| July Average | 80°F (26°C) |
| Annual Precipitation | 60.0 inches (1,524 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
About São João do Arraial
São João do Arraial is a small city in Brazil (Piauí) with a population of 8,186. The city sits at an elevation of 335 feet (102 meters) above sea level. The average annual temperature is 80°F (27°C). Temperatures range from 78°F in January to 80°F in July. Annual precipitation averages 60.0 inches. The timezone is America/Fortaleza.
Temperature
| Annual Average | 80.2°F |
| 49% above Brazil avg | |
| January Average | 78°F (25°C) |
| July Average | 80°F (26°C) |
Geography
| Elevation | 335 ft (102 m) |
| Area | 87.1 sq mi (225.6 km²) |
| Population Density | 94/sq mi |
| Coordinates | 3.8148°S, 42.4524°W |
| Timezone | America/Fortaleza |
Precipitation & Snow
Air Quality
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 78°F (25°C) | 7.8 in | Coldest |
| February | 80°F (27°C) | 9.4 in | |
| March | 79°F (26°C) | 13.0 in | Wettest |
| April | 79°F (26°C) | 11.8 in | |
| May | 79°F (26°C) | 9.5 in | |
| June | 79°F (26°C) | 3.2 in | |
| July | 80°F (26°C) | 2.0 in | |
| August | 81°F (27°C) | 0.8 in | |
| September | 82°F (28°C) | 0.8 in | |
| October | 83°F (28°C) | 0.7 in | Warmest, Driest |
| November | 83°F (28°C) | 1.5 in | |
| December | 82°F (28°C) | 4.2 in |
São João do Arraial has a seasonal temperature swing of 5°F / from 78°F in January to 83°F in October. Total annual precipitation is 64.6 inches, with March being the wettest month (13.0") and October the driest (0.7").
Schools in São João do Arraial
21 public schools (OpenStreetMap data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| Escola Municipal Folha Larga | - | - | - | - |
| Escola Municipal Folha Larga | - | - | - | - |
| Escola Municipal Da Liberdade Paulo Freire | - | - | - | - |
| Esc Mul Rosa Barbosa | - | - | - | - |
| U E Francisco Tomaz | - | - | - | - |
| EM Dirceu Mendes Arcoverde | - | - | - | - |
| Esc Mul Salvador Ferreira | - | - | - | - |
| Unid Esc Francisco Augusto Maia | - | - | - | - |
| Escola Municipal Do Sossego | - | - | - | - |
| Escola Familia Agricola Dos Cocais | - | - | - | - |
| Unid Esc Joao Diogo De Resende | - | - | - | - |
| Escola Alcides Alves | - | - | - | - |
| Escola Municipal Adolfo Mourao Da Silva | - | - | - | - |
| Creche Tia Lucia Barbosa | - | - | - | - |
| Esc Mul Mariano De Oliveira | - | - | - | - |
| Escola Municipal Valdivino De Sousa Pires | - | - | - | - |
| Escola Municipal Bernardino Garcia Do Nascimento | - | - | - | - |
| Esc Mul Fausto Mesquita | - | - | - | - |
| Escola Municipal Joao Felix | - | - | - | - |
| Escola Municipal Jose Olimpio De Carvalho | - | - | - | - |
| Esc Mul Napoleao Agnel Vaz | - | - | - | - |
Radio Stations near São João do Arraial
0 stations within ~55 km.
| Station | Genre | Quality |
|---|
Gyms in São João do Arraial
1 gyms within city radius - OpenStreetMap data
Airports Near São João do Arraial
12 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Barras Airport | - | Small Airport |
| Brejo Airport | - | Small Airport |
| Deputado Moraes Souza Airport | - | Small Airport |
| Doutor Almir Lopes de Oliveira Melo Airport | - | Small Airport |
| Esperantina Airport | - | Small Airport |
| Fazenda Bomfim Airport | - | Small Airport |
| Fazenda Caraíbas Airstrip | - | Small Airport |
| Fazenda Vontobel | - | Small Airport |
| Luzilandia Airport | - | Small Airport |
| Piracuruca Airport | - | Small Airport |
| Piripiri Airport | - | Small Airport |
| Santa Quitéria do Maranhão Airport | - | Small Airport |
Post Offices in São João do Arraial
1 post offices.
| Post Office | Address |
|---|---|
| Correios |
Quick Facts
🇧🇷 About Brazil
Public Holidays in Brazil
15 public holidays this year
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Get ReportFrequently Asked Questions About São João do Arraial
What is the population of São João do Arraial?
São João do Arraial has a population of 8,186 residents and is located in Brazil. The population density is 94 people per square mile, spread across 87.1 square miles.
What is the weather like in São João do Arraial?
São João do Arraial has a warm climate with an average annual temperature of 80°F (27°C). Winter temperatures average 78°F in January, while summers reach an average of 80°F in July. Annual rainfall totals 60.0 inches.
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