SeasonMapMorro de São Paulo vs Rio de Janeiro: which is better, month by month
Morro de São Paulo beats Rio de Janeiro in 6 of 12 months — its lead peaks in January (87 vs 71) — while Rio de Janeiro wins May; they are within 3 points in the other 5 months.
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.
Morro de São Paulo vs Rio de Janeiro — all 12 months
| Month | Morro de São Paulo | Rio de Janeiro | Winner | Gap |
|---|---|---|---|---|
| January | 87Asweltering, rainy, clean air | 71Bsweltering, soaked, muggy air | Morro de São Paulo | 16 |
| February | 89Asweltering, a little rain, clean air | 73Bsweltering, soaked, poor air quality | Morro de São Paulo | 16 |
| March | 87Asweltering, rainy, clean air | 79Bsweltering, soaked, muggy air | Morro de São Paulo | 8 |
| April | 82Ahot, soaked, clean air | 83Ahot, rainy, muggy air | Tie | 1 |
| May | 81Ahot, soaked, clean air | 86Ahot, a little rain, muggy air | Rio de Janeiro | 5 |
| June | 83Awarm, rainy, clean air | 86Awarm, a little rain, muggy air | Tie | 3 |
| July | 85Awarm, rainy, clean air | 87Awarm, a little rain, muggy air | Tie | 2 |
| August | 86Awarm, rainy, clean air | 83Awarm, a little rain, muggy air | Tie | 3 |
| September | 89Ahot, a little rain, clean air | 88Ahot, a little rain | Tie | 1 |
| October | 88Ahot, rainy, clean air | 78Bhot, rainy, muggy air | Morro de São Paulo | 10 |
| November | 85Ahot, rainy, clean air | 77Bhot, soaked, muggy air | Morro de São Paulo | 8 |
| December | 89Ahot, a little rain, clean air | 75Bsweltering, soaked, muggy air | Morro de São Paulo | 14 |
A month is a tie when the two are within 3 points. The widest gap is January (87 vs 71). Tap a month for that month's temperature, rain, humidity and air quality side by side.