Benchmarked strictly across TripTiming's 5 empirical pillars: Crowds, Weather, Vibes, Prices, and Safety.
New York City emerges as the optimal March destination with an overall TripTiming Index of 56/100 vs 43/100 for London (+13 point advantage). New York City captures optimal environmental comfort with 8°C daytime feels-like temperatures and 22% rain probability, compared to 11°C in London. While London retains an edge in Space & Crowds (58/100 vs 33/100), New York City's commanding performance in Weather Comfort secures the overall March recommendation.