January in Johor Bahru is the sunniest and the coldest month of the year. In January, the weather in Johor Bahru is typically hot. Average daily high temperature in January is about 29 degrees above zero. On average, Johor Bahru has 24 rainy, 3 cloudy, 2 sunny, and 2 partly cloudy 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 Johor Bahru.