SeasonMapMérida vs Puerto Vallarta: which is better, month by month
Puerto Vallarta beats Mérida in 8 of 12 months — its lead peaks in May (91 vs 50) — while Mérida wins September; they are within 3 points in July, August and October.
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.
Mérida vs Puerto Vallarta — all 12 months
| Month | Mérida | Puerto Vallarta | Winner | Gap |
|---|---|---|---|---|
| January | 82Ahot, dry, clean air | 89Ahot, dry, clean air | Puerto Vallarta | 7 |
| February | 81Asweltering, dry, clean air | 92Shot, dry, clean air | Puerto Vallarta | 11 |
| March | 71Bsweltering, dry, clean air | 95Ssweltering, dry, clean air | Puerto Vallarta | 24 |
| April | 57Dsweltering, dry, clean air | 96Ssweltering, dry, clean air | Puerto Vallarta | 39 |
| May | 50Dsweltering, a little rain, clean air | 91Ssweltering, dry | Puerto Vallarta | 41 |
| June | 53Dsweltering, rainy, clean air | 72Bsweltering, soaked, clean air | Puerto Vallarta | 19 |
| July | 59Dsweltering, a little rain | 61Csweltering, soaked, clean air | Tie | 2 |
| August | 58Dsweltering, rainy, muggy air | 56Dsweltering, soaked, clean air | Tie | 2 |
| September | 61Csweltering, rainy, clean air | 54Dsweltering, soaked, clean air | Mérida | 7 |
| October | 67Csweltering, rainy, clean air | 69Csweltering, soaked, clean air | Tie | 2 |
| November | 76Bsweltering, a little rain, clean air | 85Asweltering, dry, clean air | Puerto Vallarta | 9 |
| December | 80Ahot, dry, clean air | 87Ahot, dry, clean air | Puerto Vallarta | 7 |
A month is a tie when the two are within 3 points. The widest gap is May (50 vs 91). Tap a month for that month's temperature, rain, humidity and air quality side by side.