SeasonMapAlter do Chão vs São Paulo: which is better, month by month
São Paulo beats Alter do Chão in 7 of 12 months — its lead peaks in April (82 vs 58) — while Alter do Chão wins October; they are within 3 points in the other 4 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.
Alter do Chão vs São Paulo — all 12 months
| Month | Alter do Chão | São Paulo | Winner | Gap |
|---|---|---|---|---|
| January | 61Csweltering, soaked, clean air | 63Chot, soaked, muggy air | Tie | 2 |
| February | 59Dsweltering, soaked, clean air | 68Chot, soaked, muggy air | São Paulo | 9 |
| March | 57Dsweltering, soaked, clean air | 70Bhot, rainy, muggy air | São Paulo | 13 |
| April | 58Dsweltering, soaked, clean air | 82Awarm, a little rain, muggy air | São Paulo | 24 |
| May | 65Csweltering, soaked, clean air | 87Awarm, a little rain, muggy air | São Paulo | 22 |
| June | 80Asweltering, soaked, clean air | 88Anice, a little rain, muggy air | São Paulo | 8 |
| July | 85Asweltering, rainy, clean air | 93Snice, dry | São Paulo | 8 |
| August | 88Asweltering, a little rain, clean air | 90Snice, a little rain | Tie | 2 |
| September | 87Asweltering, a little rain, clean air | 84Awarm, a little rain, poor air quality | Tie | 3 |
| October | 82Asweltering, rainy | 77Bwarm, rainy, muggy air | Alter do Chão | 5 |
| November | 77Bsweltering, rainy | 78Bhot, rainy, muggy air | Tie | 1 |
| December | 63Csweltering, soaked, muggy air | 72Bhot, rainy, muggy air | São Paulo | 9 |
A month is a tie when the two are within 3 points. The widest gap is April (58 vs 82). Tap a month for that month's temperature, rain, humidity and air quality side by side.