January in Bahrain International Airport is the rainiest, the cloudiest, and the coldest month of the year. In January, the weather in Bahrain International Airport is typically warm. Average daily high temperature in January is about 18 degrees above zero. On average, Bahrain International Airport has 19 sunny, 8 partly cloudy, 3 rainy, and 1 cloudy day in January. The rains are usually light.