January in Itapetininga is the rainiest and the cloudiest month of the year. In January, the weather in Itapetininga is typically warm. Average daily high temperature in January is about 25 degrees above zero. On average, Itapetininga has 28 rainy and 3 sunny 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 Itapetininga.