SeasonMapCastro vs São Paulo: which is better, month by month
São Paulo beats Castro in 6 of 12 months — its lead peaks in July (93 vs 53) — while Castro wins December to March; they are within 3 points in October to November.
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.
Castro vs São Paulo — all 12 months
| Month | Castro | São Paulo | Winner | Gap |
|---|---|---|---|---|
| January | 90Snice, a little rain, clean air | 63Chot, soaked, muggy air | Castro | 27 |
| February | 92Snice, a little rain, clean air | 68Chot, soaked, muggy air | Castro | 24 |
| March | 81Anice, rainy, clean air | 70Bhot, rainy, muggy air | Castro | 11 |
| April | 69Ccool, rainy, clean air | 82Awarm, a little rain, muggy air | São Paulo | 13 |
| May | 61Ccool, rainy, clean air | 87Awarm, a little rain, muggy air | São Paulo | 26 |
| June | 51Dcold, soaked, clean air | 88Anice, a little rain, muggy air | São Paulo | 37 |
| July | 53Dcold, soaked, clean air | 93Snice, dry | São Paulo | 40 |
| August | 56Dcold, soaked, clean air | 90Snice, a little rain | São Paulo | 34 |
| September | 65Ccold, rainy, clean air | 84Awarm, a little rain, poor air quality | São Paulo | 19 |
| October | 74Bcool, rainy, clean air | 77Bwarm, rainy, muggy air | Tie | 3 |
| November | 79Bcool, rainy, clean air | 78Bhot, rainy, muggy air | Tie | 1 |
| December | 86Anice, a little rain, clean air | 72Bhot, rainy, muggy air | Castro | 14 |
A month is a tie when the two are within 3 points. The widest gap is July (53 vs 93). Tap a month for that month's temperature, rain, humidity and air quality side by side.