Benchmarked strictly across TripTiming's 5 empirical pillars: Crowds, Weather, Vibes, Prices, and Safety.
Split emerges as the optimal May destination with an overall TripTiming Index of 74/100 vs 66/100 for Dubrovnik (+8 point advantage). Split captures optimal environmental comfort with 28°C daytime feels-like temperatures and 14% rain probability, compared to 21°C in Dubrovnik. This is reinforced by lower lodging rates (~$212/night vs ~$295/night, saving ~$581 over 7 nights). While Dubrovnik retains an edge in Space & Crowds (61/100 vs 56/100), Split's commanding performance in Weather Comfort secures the overall May recommendation.