Warm & sunny in Summer

This is the perfect time to head to the coast or the mountains. Seawater temperatures at Batumi – the flashy main Black Sea resort, reach the upper 20s Celsius in August and with much of Tbilisi’s nightlife migrating to Batumi during this period, the party atmosphere makes up for the stoniness of the beaches.

Source: https://www.lonelyplanet.com/georgia