SeasonMapCozumel vs Isla Mujeres: which is better, month by month
Isla Mujeres beats Cozumel in 3 of 12 months — its lead peaks in June (77 vs 72) — and they are within 3 points in the other 9 months.
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.
Cozumel vs Isla Mujeres — all 12 months
| Month | Cozumel | Isla Mujeres | Winner | Gap |
|---|---|---|---|---|
| January | 86Ahot, a little rain, clean air | 87Ahot, a little rain, clean air | Tie | 1 |
| February | 91Shot, dry, clean air | 91Shot, a little rain, clean air | Tie | 0 |
| March | 91Shot, dry | 93Shot, dry, muggy air | Tie | 2 |
| April | 90Ssweltering, dry, clean air | 92Shot, a little rain, clean air | Tie | 2 |
| May | 86Asweltering, a little rain, clean air | 86Asweltering, rainy, clean air | Tie | 0 |
| June | 72Bsweltering, soaked, clean air | 77Bsweltering, soaked, clean air | Isla Mujeres | 5 |
| July | 84Asweltering, a little rain, muggy air | 85Asweltering, rainy, muggy air | Tie | 1 |
| August | 80Asweltering, rainy, clean air | 80Asweltering, rainy, clean air | Tie | 0 |
| September | 79Bsweltering, rainy, clean air | 78Bsweltering, soaked, clean air | Tie | 1 |
| October | 74Bsweltering, soaked, clean air | 79Bsweltering, soaked, clean air | Isla Mujeres | 5 |
| November | 82Ahot, rainy, clean air | 86Ahot, rainy, clean air | Isla Mujeres | 4 |
| December | 84Ahot, rainy, clean air | 87Ahot, a little rain, clean air | Tie | 3 |
A month is a tie when the two are within 3 points. The widest gap is June (72 vs 77). Tap a month for that month's temperature, rain, humidity and air quality side by side.