In October, the weather in Cam Ranh Bay is typically hot. Average daily high temperature in October is about 28 degrees above zero. On average, Cam Ranh Bay has 19 rainy, 5 sunny, 5 cloudy, and 2 partly cloudy days in October. The rains are usually heavy. October as well as July, September, November, and December is considered the most uncomfortable time to visit Cam Ranh Bay.