SeasonMapRio de Janeiro vs São Paulo: which is better, month by month
Rio de Janeiro beats São Paulo in 4 of 12 months — its lead peaks in March (79 vs 70) — while São Paulo wins July to August; they are within 3 points in the other 6 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.
Rio de Janeiro vs São Paulo — all 12 months
| Month | Rio de Janeiro | São Paulo | Winner | Gap |
|---|---|---|---|---|
| January | 71Bsweltering, soaked, muggy air | 63Chot, soaked, muggy air | Rio de Janeiro | 8 |
| February | 73Bsweltering, soaked, poor air quality | 68Chot, soaked, muggy air | Rio de Janeiro | 5 |
| March | 79Bsweltering, soaked, muggy air | 70Bhot, rainy, muggy air | Rio de Janeiro | 9 |
| April | 83Ahot, rainy, muggy air | 82Awarm, a little rain, muggy air | Tie | 1 |
| May | 86Ahot, a little rain, muggy air | 87Awarm, a little rain, muggy air | Tie | 1 |
| June | 86Awarm, a little rain, muggy air | 88Anice, a little rain, muggy air | Tie | 2 |
| July | 87Awarm, a little rain, muggy air | 93Snice, dry | São Paulo | 6 |
| August | 83Awarm, a little rain, muggy air | 90Snice, a little rain | São Paulo | 7 |
| September | 88Ahot, a little rain | 84Awarm, a little rain, poor air quality | Rio de Janeiro | 4 |
| October | 78Bhot, rainy, muggy air | 77Bwarm, rainy, muggy air | Tie | 1 |
| November | 77Bhot, soaked, muggy air | 78Bhot, rainy, muggy air | Tie | 1 |
| December | 75Bsweltering, soaked, muggy air | 72Bhot, rainy, muggy air | Tie | 3 |
A month is a tie when the two are within 3 points. The widest gap is March (79 vs 70). Tap a month for that month's temperature, rain, humidity and air quality side by side.