May in Toms River is the rainiest and the cloudiest month of the year. In May, the weather in Toms River is typically warm. Average daily high temperature in May is about 19 degrees above zero. On average, Toms River has 14 rainy, 6 sunny, 6 partly cloudy, and 5 cloudy days in May. The rains are usually moderate. May as well as January, February, March, and December is considered the most uncomfortable time to visit Toms River.