Planning for the weather is a good way to make your trip to Kazbegi relaxing and enjoyable, especially when you're splurging. The hottest months are usually August and July, with an average temperature of 5°C, while the coldest months are January and February, with an average of -13°C. The rainiest months in Kazbegi are June, July, May and August, with each month seeing an average of 255 mm of rainfall.