May in Bala is the rainiest month of the year. In May, the weather in Bala is typically cold. Average daily high temperature in May is about 5 degrees above zero. On average, Bala has 16 cloudy, 9 rainy, 3 sunny, and 3 partly cloudy days in May. The rains are usually light. May as well as January, February, March, and October is considered the most uncomfortable time to visit Bala.