December in Itabaiana is the windiest month of the year. In December, the weather in Itabaiana is typically hot. Average daily high temperature in December is about 30 degrees above zero. On average, Itabaiana has 15 partly cloudy, 9 sunny, 6 cloudy, and 1 rainy day in December. The rains are usually light. December as well as September and November is considered the most comfortable time to visit Itabaiana.