Castanheiras, Brazil
Rondônia · Brazil
Castanheiras is a small town in Rondônia, Brazil with a population of 3,233. Elevation: 597 ft (182 m). Average temperature: 76°F (25°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 Castanheiras
Castanheiras is a municipality located in the Brazilian state of Rondônia. Its population was 2,987 (2020) and its area is 893 km2.
People
Climate
| Population | 3,233 |
| Population Density | 5 / sq mi |
| Elevation | 597 ft (182 m) |
| Coordinates | -11.4175°, -61.9386° |
| Timezone | America/Porto_Velho |
| Country | 🇧🇷 Brazil |
| State / Province | Rondônia |
| Average Temperature | 76°F (25°C) |
| January Average | 76°F (25°C) |
| July Average | 75°F (24°C) |
| Annual Precipitation | 74.5 inches (1,892 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
About Castanheiras
Castanheiras is a small town in Brazil (Rondônia) with a population of 3,233. The city sits at an elevation of 597 feet (182 meters) above sea level. The average annual temperature is 76°F (25°C). Temperatures range from 76°F in January to 75°F in July. Annual precipitation averages 74.5 inches. The timezone is America/Porto_Velho.
Temperature
| Annual Average | 76.4°F |
| 41% above Brazil avg | |
| January Average | 76°F (25°C) |
| July Average | 75°F (24°C) |
Geography
| Elevation | 597 ft (182 m) |
| Area | 702.4 sq mi (1,819.2 km²) |
| Population Density | 5/sq mi |
| Coordinates | 11.4175°S, 61.9386°W |
| Timezone | America/Porto_Velho |
Precipitation & Snow
Air Quality
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 76°F (25°C) | 13.2 in | Wettest |
| February | 77°F (25°C) | 10.0 in | |
| March | 77°F (25°C) | 11.5 in | |
| April | 76°F (25°C) | 5.9 in | |
| May | 76°F (24°C) | 2.5 in | |
| June | 74°F (23°C) | 0.9 in | Coldest |
| July | 75°F (24°C) | 0.4 in | Driest |
| August | 78°F (26°C) | 1.1 in | Warmest |
| September | 77°F (25°C) | 3.6 in | |
| October | 77°F (25°C) | 6.3 in | |
| November | 77°F (25°C) | 8.5 in | |
| December | 77°F (25°C) | 10.5 in |
Castanheiras has a seasonal temperature swing of 4°F / from 74°F in June to 78°F in August. Total annual precipitation is 74.5 inches, with January being the wettest month (13.2") and July the driest (0.4").
Schools in Castanheiras
2 public schools (OpenStreetMap data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| EEEFM Francisca Julia da Silva | - | - | - | - |
| EMEF Vasco da Gama | - | - | - | - |
Libraries in Castanheiras
| Name | Address | Staff | Annual Visits | Circulation | Collection | Programs |
|---|---|---|---|---|---|---|
| Biblioteca Municipal | 0.0 |
Stadiums & Teams in Castanheiras
| Team | League | Division |
|---|---|---|
Airports Near Castanheiras
17 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Alex Testoni Airstrip | - | Small Airport |
| Alta Floresta D'Oeste Airport | - | Small Airport |
| Cacoal Airport | OAL | Small Airport |
| Condomínio Aéreo Santos Dumont Airport | - | Small Airport |
| Eletro Primavera LTDA Airport | - | Small Airport |
| Fazenda Canaã Airport | - | Small Airport |
| Fazenda Cristo Rei Airport | - | Small Airport |
| Fazenda Kajussol Airport | - | Small Airport |
| Fazenda Palmeiras Airstrip | - | Small Airport |
| Fazenda Pardes Airport | - | Small Airport |
| Fazenda Três Perobas Airport | - | Small Airport |
| Ji-Paraná Airport | JPR | Small Airport |
| Peça Rara Agropecuária I Airstrip | - | Small Airport |
| Rolim de Moura Airport | - | Small Airport |
| Rondolândia Airport | - | Small Airport |
| São Miguel do Guaporé Airport | - | Small Airport |
| Usina Calcário Parecis Airport | - | Small Airport |
Quick Facts
🇧🇷 About Brazil
Public Holidays in Brazil
15 public holidays this year
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Get ReportFrequently Asked Questions About Castanheiras
What is the population of Castanheiras?
Castanheiras has a population of 3,233 residents and is located in Brazil. The population density is 5 people per square mile, spread across 702.4 square miles.
What is the weather like in Castanheiras?
Castanheiras has a warm climate with an average annual temperature of 76°F (25°C). Winter temperatures average 76°F in January, while summers reach an average of 75°F in July. Annual rainfall totals 74.5 inches.
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