January in Nowra is the warmest month of the year. In January, the weather in Nowra is typically warm. Average daily high temperature in January is about 24 degrees above zero. On average, Nowra has 12 sunny, 10 partly cloudy, 5 rainy, and 4 cloudy days in January. The rains are usually moderate. January as well as May, September, and October is considered the most comfortable time to visit Nowra.