January in Orosei is the rainiest month of the year. In January, the weather in Orosei is typically warm. Average daily high temperature in January is about 11 degrees above zero. On average, Orosei has 12 partly cloudy, 11 sunny, 5 rainy, and 3 cloudy days in January. The rains are usually moderate. January as well as February and March is considered the most uncomfortable time to visit Orosei.