Benchmarked strictly across TripTiming's 5 empirical pillars: Crowds, Weather, Vibes, Prices, and Safety.
London emerges as the optimal February destination with an overall TripTiming Index of 63/100 vs 61/100 for Paris (+2 point advantage). London experiences more manageable visitor density and shorter landmark queues (carrying capacity score 70/100 vs 62/100 in Paris). Urban navigability is also slightly smoother and more predictable.