Lago Janauaca

General data
- Name: Lago Janauaca
- Water system: Amazon
- Water type: Natural lake
- Progression: Igarape Piaui River -> Amazon -> Atlantic Ocean -> Planet Earth
- Climates: Subtropical
- Continents: South America
- Countries: Brazil
Description
Lago Janauacá is a lake in Brazil . It is located in the state of Amazonas , in the central part of the country, 1,900 km northwest of Brasília , the capital. Lago Janauacá is located at an altitude of 10 meters above sea level. It covers an area of 37 square kilometers. It extends 20.8 km from north to south and 20.6 km from east to west. The area around Lago Janauacá is almost completely covered by forest. There are about 4 people per square kilometer around Lago Janauacá, with a very low population density. The climate is subtropical . The average temperature is 24 °C . The warmest month is September, at 26 °C , and the coldest is January, at 22 °C. The average annual rainfall is 2,447 millimeters. The wettest month is March, with 365 millimeters of rain, and the driest is August, with 58 millimeters.