SeasonMapCozumel vs Puerto Vallarta: which is better, month by month
Cozumel beats Puerto Vallarta in 4 of 12 months — its lead peaks in September (79 vs 54) — while Puerto Vallarta wins March to May; they are within 3 points in the other 5 months.
Each place is scored under the lens that suits its type — they are different kinds of destination, so the scores are each place at its own best. Comfort is SeasonMap's 0–100 estimate from ERA5 climate normals, not a forecast.
Cozumel vs Puerto Vallarta — all 12 months
| Month | Cozumel | Puerto Vallarta | Winner | Gap |
|---|---|---|---|---|
| January | 86Ahot, a little rain, clean air | 89Ahot, dry, clean air | Tie | 3 |
| February | 91Shot, dry, clean air | 92Shot, dry, clean air | Tie | 1 |
| March | 91Shot, dry | 95Ssweltering, dry, clean air | Puerto Vallarta | 4 |
| April | 90Ssweltering, dry, clean air | 96Ssweltering, dry, clean air | Puerto Vallarta | 6 |
| May | 86Asweltering, a little rain, clean air | 91Ssweltering, dry | Puerto Vallarta | 5 |
| June | 72Bsweltering, soaked, clean air | 72Bsweltering, soaked, clean air | Tie | 0 |
| July | 84Asweltering, a little rain, muggy air | 61Csweltering, soaked, clean air | Cozumel | 23 |
| August | 80Asweltering, rainy, clean air | 56Dsweltering, soaked, clean air | Cozumel | 24 |
| September | 79Bsweltering, rainy, clean air | 54Dsweltering, soaked, clean air | Cozumel | 25 |
| October | 74Bsweltering, soaked, clean air | 69Csweltering, soaked, clean air | Cozumel | 5 |
| November | 82Ahot, rainy, clean air | 85Asweltering, dry, clean air | Tie | 3 |
| December | 84Ahot, rainy, clean air | 87Ahot, dry, clean air | Tie | 3 |
A month is a tie when the two are within 3 points. The widest gap is September (79 vs 54). Tap a month for that month's temperature, rain, humidity and air quality side by side.