SeasonMapRio de Janeiro vs Santa Marta: which is better, month by month
Rio de Janeiro beats Santa Marta in 7 of 12 months — its lead peaks in September (88 vs 69) — while Santa Marta wins December to March; they are within 3 points in April.
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.
Rio de Janeiro vs Santa Marta — all 12 months
| Month | Rio de Janeiro | Santa Marta | Winner | Gap |
|---|---|---|---|---|
| January | 71Bsweltering, soaked, muggy air | 93Ssweltering, dry, clean air | Santa Marta | 22 |
| February | 73Bsweltering, soaked, poor air quality | 92Ssweltering, dry, clean air | Santa Marta | 19 |
| March | 79Bsweltering, soaked, muggy air | 90Ssweltering, dry, clean air | Santa Marta | 11 |
| April | 83Ahot, rainy, muggy air | 83Asweltering, rainy, clean air | Tie | 0 |
| May | 86Ahot, a little rain, muggy air | 72Bsweltering, soaked, clean air | Rio de Janeiro | 14 |
| June | 86Awarm, a little rain, muggy air | 71Bsweltering, soaked, clean air | Rio de Janeiro | 15 |
| July | 87Awarm, a little rain, muggy air | 79Bsweltering, soaked, clean air | Rio de Janeiro | 8 |
| August | 83Awarm, a little rain, muggy air | 76Bsweltering, soaked, clean air | Rio de Janeiro | 7 |
| September | 88Ahot, a little rain | 69Csweltering, soaked, clean air | Rio de Janeiro | 19 |
| October | 78Bhot, rainy, muggy air | 61Csweltering, soaked, clean air | Rio de Janeiro | 17 |
| November | 77Bhot, soaked, muggy air | 67Csweltering, soaked, clean air | Rio de Janeiro | 10 |
| December | 75Bsweltering, soaked, muggy air | 89Asweltering, a little rain, clean air | Santa Marta | 14 |
A month is a tie when the two are within 3 points. The widest gap is January (71 vs 93). Tap a month for that month's temperature, rain, humidity and air quality side by side.