January in Aracatuba is the rainiest month of the year. In January, the weather in Aracatuba is typically hot. Average daily high temperature in January is about 30 degrees above zero. On average, Aracatuba has 23 rainy, 3 sunny, 3 cloudy, and 2 partly cloudy days in January. The rains are usually heavy. January as well as February, March, November, and December is considered the most uncomfortable time to visit Aracatuba.