 The most rainy season starts in November and ends in March, and the driest is from June to August.Because it is situated near the Tropic of Capricorn, the Baixada Fluminense is influenced by winds from the Amazon and the Atlantic Ocean.And to be a marshland, the winds do not hit much at ground height, increasing the sensation of heat, with temperatures often rising from 30 °C

The municipality of Belford Roxo has an area of 77.815 square kilometers.