December in Nauru International Airport is the cloudiest month of the year. 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 19 rainy, 5 sunny, 5 cloudy, and 2 partly cloudy days in December. The rains are usually heavy. December as well as January, March, April, and May is considered the most uncomfortable time to visit Nauru International Airport.