SeasonMapIsla Mujeres vs Puerto Vallarta: which is better, month by month
Isla Mujeres 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 — 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.
Isla Mujeres vs Puerto Vallarta — all 12 months
| Month | Isla Mujeres | Puerto Vallarta | Winner | Gap |
|---|---|---|---|---|
| January | 87Ahot, a little rain, clean air | 89Ahot, dry, clean air | Tie | 2 |
| February | 91Shot, a little rain, clean air | 92Shot, dry, clean air | Tie | 1 |
| March | 93Shot, dry, muggy air | 95Ssweltering, dry, clean air | Tie | 2 |
| April | 92Shot, a little rain, clean air | 96Ssweltering, dry, clean air | Puerto Vallarta | 4 |
| May | 86Asweltering, rainy, clean air | 91Ssweltering, dry | Puerto Vallarta | 5 |
| June | 77Bsweltering, soaked, clean air | 72Bsweltering, soaked, clean air | Isla Mujeres | 5 |
| July | 85Asweltering, rainy, muggy air | 61Csweltering, soaked, clean air | Isla Mujeres | 24 |
| August | 80Asweltering, rainy, clean air | 56Dsweltering, soaked, clean air | Isla Mujeres | 24 |
| September | 78Bsweltering, soaked, clean air | 54Dsweltering, soaked, clean air | Isla Mujeres | 24 |
| October | 79Bsweltering, soaked, clean air | 69Csweltering, soaked, clean air | Isla Mujeres | 10 |
| November | 86Ahot, rainy, clean air | 85Asweltering, dry, clean air | Tie | 1 |
| December | 87Ahot, a little rain, clean air | 87Ahot, dry, clean air | Tie | 0 |
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.