Planning for the weather is a good way to make your trip to Mestia relaxing and enjoyable, especially when you’re splurging. The hottest months are usually August and July with an average temp of 60°F, while the coldest months are January and February with an average of 30°F. The rainiest months in Mestia are June, March, May, and July, with each month seeing an average of 8 inches of rainfall.