July in Amahai is the coldest month of the year. In July, the weather in Amahai is typically warm. Average daily high temperature in July is about 26 degrees above zero. On average, Amahai has 28 rainy, 2 sunny, and 1 cloudy day in July. The rains are usually heavy. July as well as January, February, March, and April is considered the most uncomfortable time to visit Amahai.