The average temperature in Raleigh, NC the average temperature is 34.41 degrees in summer, with precipitation around 12.0 mm , Lihue - Kauai Island, HI's temperatures reach 30.44 during the hot season, with 6.0 average of rain rate . In winter, however, weather indicators show around 12.83 degrees in Lihue - Kauai Island, HI, compared to the -7.73 average degrees reported in Raleigh, NC. During the winter period, Raleigh, NC can register 6.0 mm precipitation, while Lihue - Kauai Island, HI have an average of 6.0 mm rain level.