May in Aviaport is the windiest month of the year. In May, the weather in Aviaport is typically warm. Average daily high temperature in May is about 10 degrees above zero. On average, Aviaport has 12 rainy, 8 cloudy, 7 partly cloudy, and 4 sunny days in May. The rains are usually light. May as well as January, February, March, and September is considered the most uncomfortable time to visit Aviaport.