July in Portorosa is the sunniest month of the year. In July, the weather in Portorosa is typically warm. Average daily high temperature in July is about 26 degrees above zero. On average, Portorosa has 28 sunny and 3 rainy days in July. The rains are usually light. July as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Portorosa.