January in Shah Alam is the cloudiest month of the year. In January, the weather in Shah Alam is typically hot. Average daily high temperature in January is about 29 degrees above zero. On average, Shah Alam has 29 rainy and 2 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 Shah Alam.