June in Scottsdale is the sunniest month of the year. In June, the weather in Scottsdale is typically hot. Average daily high temperature in June is about 38 degrees above zero. On average, Scottsdale has 27 sunny, 2 partly cloudy, and 1 rainy day in June. The rains are usually light. June as well as July and August is considered the most uncomfortable time to visit Scottsdale.