SeasonMapCartagena vs Rio de Janeiro: which is better, month by month
Rio de Janeiro beats Cartagena in 7 of 12 months — its lead peaks in September (88 vs 72) — while Cartagena 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.
Cartagena vs Rio de Janeiro — all 12 months
| Month | Cartagena | Rio de Janeiro | Winner | Gap |
|---|---|---|---|---|
| January | 91Ssweltering, dry, clean air | 71Bsweltering, soaked, muggy air | Cartagena | 20 |
| February | 91Ssweltering, dry, clean air | 73Bsweltering, soaked, poor air quality | Cartagena | 18 |
| March | 89Asweltering, dry | 79Bsweltering, soaked, muggy air | Cartagena | 10 |
| April | 85Asweltering, a little rain, muggy air | 83Ahot, rainy, muggy air | Tie | 2 |
| May | 76Bsweltering, soaked, muggy air | 86Ahot, a little rain, muggy air | Rio de Janeiro | 10 |
| June | 71Bsweltering, soaked, clean air | 86Awarm, a little rain, muggy air | Rio de Janeiro | 15 |
| July | 78Bsweltering, soaked, muggy air | 87Awarm, a little rain, muggy air | Rio de Janeiro | 9 |
| August | 74Bsweltering, soaked, clean air | 83Awarm, a little rain, muggy air | Rio de Janeiro | 9 |
| September | 72Bsweltering, soaked, clean air | 88Ahot, a little rain | Rio de Janeiro | 16 |
| October | 66Csweltering, soaked, clean air | 78Bhot, rainy, muggy air | Rio de Janeiro | 12 |
| November | 71Bsweltering, soaked, clean air | 77Bhot, soaked, muggy air | Rio de Janeiro | 6 |
| December | 88Asweltering, a little rain, clean air | 75Bsweltering, soaked, muggy air | Cartagena | 13 |
A month is a tie when the two are within 3 points. The widest gap is January (91 vs 71). Tap a month for that month's temperature, rain, humidity and air quality side by side.