June in Itaborai is the coldest month of the year. In June, the weather in Itaborai is typically warm. Average daily high temperature in June is about 24 degrees above zero. On average, Itaborai has 21 sunny, 6 partly cloudy, and 3 rainy days in June. The rains are usually light. June as well as May, July, and August is considered the most comfortable time to visit Itaborai.