Pack or skip
Sunscreen for Tbilisi in May
Verdict
Pack it
Sun still finds you at 75°F — UV doesn't care about temperature.
Why
Tbilisi in May averages highs of 75°F, lows of 55°F, 12 rainy days.
That climate means sunscreen earns its space in the bag. Sun still finds you at 75°F — UV doesn't care about temperature.