Cancún vs Puerto Vallarta: which is better, month by month
Cancún beats Puerto Vallarta in 5 of 12 months — its lead peaks in July (85 vs 61) — while Puerto Vallarta wins April to May; they are within 3 points in November to March.
Each place is scored under the lens that suits its type. Comfort is SeasonMap's 0–100 estimate from ERA5 climate normals, not a forecast.
Cancún vs Puerto Vallarta — all 12 months
A month is a tie when the two are within 3 points. The widest gap is July (85 vs 61). Tap a month for that month's temperature, rain, humidity and air quality side by side.