January in Sukabumi is the rainiest, the windiest, the cloudiest, and the coldest month of the year. In January, the weather in Sukabumi is typically warm. Average daily high temperature in January is about 23 degrees above zero. On average, Sukabumi has 31 rainy days in January. The rains are usually heavy. January as well as February, March, April, and May is considered the most uncomfortable time to visit Sukabumi.