July in Sukabumi is the sunniest month of the year. In July, the weather in Sukabumi is typically warm. Average daily high temperature in July is about 25 degrees above zero. On average, Sukabumi has 30 rainy and 1 sunny day in July. The rains are usually heavy. July as well as January, February, March, and April is considered the most uncomfortable time to visit Sukabumi.