July weather forecast in Ronkonkoma

July in Ronkonkoma is the warmest month of the year. In July, the weather in Ronkonkoma is typically warm. Average daily high temperature in July is about 26 degrees above zero. On average, Ronkonkoma has 13 sunny, 13 partly cloudy, and 5 rainy days in July. The rains are usually moderate. July as well as August is considered the most comfortable time to visit Ronkonkoma.