In December, the weather in Nauru International Airport is typically hot. Average daily high temperature in December is about 28 degrees above zero. On average, Nauru International Airport has 18 rainy, 6 sunny, 5 partly cloudy, and 2 cloudy days in December. The rains are usually heavy. December as well as January, February, March, and April is considered the most uncomfortable time to visit Nauru International Airport.