SeasonMapPhiladelphia vs San Antonio: which is better, month by month
Philadelphia and San Antonio split the year 5–5 — Philadelphia wins May to September, San Antonio wins November to March, and they are within 3 points in April and October.
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.
Philadelphia vs San Antonio — all 12 months
| Month | Philadelphia | San Antonio | Winner | Gap |
|---|---|---|---|---|
| January | 53Dcold, rainy, clean air | 76Bnice, a little rain, clean air | San Antonio | 23 |
| February | 60Ccold, rainy | 79Bnice, a little rain, clean air | San Antonio | 19 |
| March | 69Ccool, rainy, clean air | 90Swarm, a little rain, clean air | San Antonio | 21 |
| April | 82Anice, rainy, clean air | 85Awarm, a little rain, clean air | Tie | 3 |
| May | 91Swarm, rainy | 70Bsweltering, rainy | Philadelphia | 21 |
| June | 79Bhot, rainy | 61Csweltering, a little rain, clean air | Philadelphia | 18 |
| July | 65Csweltering, rainy | 56Dsweltering, a little rain, clean air | Philadelphia | 9 |
| August | 72Bhot, rainy | 50Dsweltering, a little rain, clean air | Philadelphia | 22 |
| September | 81Awarm, rainy, clean air | 64Csweltering, rainy, clean air | Philadelphia | 17 |
| October | 85Anice, a little rain, clean air | 83Ahot, a little rain, clean air | Tie | 2 |
| November | 71Bcool, a little rain, clean air | 87Anice, a little rain, clean air | San Antonio | 16 |
| December | 56Dcold, rainy, clean air | 80Anice, a little rain, clean air | San Antonio | 24 |
A month is a tie when the two are within 3 points. The widest gap is December (56 vs 80). Tap a month for that month's temperature, rain, humidity and air quality side by side.