January in Ambon is the cloudiest and the warmest month of the year. In January, the weather in Ambon is typically warm. Average daily high temperature in January is about 27 degrees above zero. On average, Ambon has 25 rainy, 5 cloudy, and 1 partly cloudy day in January. The rains are usually heavy. January as well as February, March, April, and May is considered the most uncomfortable time to visit Ambon.