In December, the weather in Almirante Tamandaré is typically warm. Average daily high temperature in December is about 26 degrees above zero. On average, Almirante Tamandaré has 19 rainy, 6 partly cloudy, 3 sunny, and 3 cloudy days in December. The rains are usually heavy. December as well as January, February, and March is considered the most uncomfortable time to visit Almirante Tamandaré.