August in Mtskheta is the warmest month of the year. In August, the weather in Mtskheta is typically warm. Average daily high temperature in August is about 27 degrees above zero. On average, Mtskheta has 27 sunny, 3 partly cloudy, and 1 rainy day in August. The rains are usually light. August as well as July is considered the most comfortable time to visit Mtskheta.