Benchmarked strictly across TripTiming's 5 empirical pillars: Crowds, Weather, Vibes, Prices, and Safety.
Munich emerges as the optimal May destination with an overall TripTiming Index of 68/100 vs 64/100 for Vienna (+4 point advantage). Munich delivers a decisive lodging value advantage (~$259/night vs ~$326/night in Vienna, saving ~$469 across a 7-night stay). In addition, Munich offers more breathing room at premier cultural landmarks (54/100 vs 43/100). While Vienna retains an edge in City Vitality (82/100 vs 61/100), Munich's commanding performance in Price & Value secures the overall May recommendation.