July in Port Alsworth is the rainiest and the warmest month of the year. In July, the weather in Port Alsworth is typically warm. Average daily high temperature in July is about 15 degrees above zero. On average, Port Alsworth has 19 rainy, 7 cloudy, 3 partly cloudy, and 2 sunny days in July. The rains are usually heavy. July as well as January, May, June, and August is considered the most uncomfortable time to visit Port Alsworth.