June in Iquitos is the coldest month of the year. In June, the weather in Iquitos is typically hot. Average daily high temperature in June is about 29 degrees above zero. On average, Iquitos has 26 rainy, 3 partly cloudy, and 1 cloudy day in June. The rains are usually heavy. June as well as January, February, March, and April is considered the most uncomfortable time to visit Iquitos.