May in Mtskheta is the rainiest month of the year. In May, the weather in Mtskheta is typically warm. Average daily high temperature in May is about 18 degrees above zero. On average, Mtskheta has 17 rainy, 8 sunny, 5 partly cloudy, and 1 cloudy day in May. The rains are usually heavy. May as well as January, February, March, and April is considered the most uncomfortable time to visit Mtskheta.