In June, the weather in Nova Iguaçu is typically warm. Average daily high temperature in June is about 25 degrees above zero. On average, Nova Iguaçu has 13 sunny, 8 rainy, 8 partly cloudy, and 1 cloudy day in June. The rains are usually light. June as well as July and August is considered the most comfortable time to visit Nova Iguaçu.