January in Bali is the rainiest and the cloudiest month of the year. In January, the weather in Bali is typically warm. Average daily high temperature in January is about 13 degrees above zero. On average, Bali has 15 rainy, 8 partly cloudy, 7 sunny, and 1 cloudy day in January. The rains are usually heavy. January as well as February and December is considered the most uncomfortable time to visit Bali.