SeasonMapAtlanta vs Philadelphia: which is better, month by month
Atlanta beats Philadelphia in 7 of 12 months — its lead peaks in March (79 vs 69) — while Philadelphia wins May, June and August; they are within 3 points in July and September.
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.
Atlanta vs Philadelphia — all 12 months
| Month | Atlanta | Philadelphia | Winner | Gap |
|---|---|---|---|---|
| January | 62Ccold, rainy, clean air | 53Dcold, rainy, clean air | Atlanta | 9 |
| February | 69Ccool, rainy, clean air | 60Ccold, rainy | Atlanta | 9 |
| March | 79Bnice, rainy, clean air | 69Ccool, rainy, clean air | Atlanta | 10 |
| April | 90Snice, rainy, clean air | 82Anice, rainy, clean air | Atlanta | 8 |
| May | 84Ahot, rainy | 91Swarm, rainy | Philadelphia | 7 |
| June | 73Bhot, rainy | 79Bhot, rainy | Philadelphia | 6 |
| July | 64Csweltering, rainy, muggy air | 65Csweltering, rainy | Tie | 1 |
| August | 65Csweltering, rainy, muggy air | 72Bhot, rainy | Philadelphia | 7 |
| September | 80Ahot, rainy | 81Awarm, rainy, clean air | Tie | 1 |
| October | 91Swarm, rainy, clean air | 85Anice, a little rain, clean air | Atlanta | 6 |
| November | 77Bnice, a little rain, clean air | 71Bcool, a little rain, clean air | Atlanta | 6 |
| December | 66Ccool, rainy, clean air | 56Dcold, rainy, clean air | Atlanta | 10 |
A month is a tie when the two are within 3 points. The widest gap is March (79 vs 69). Tap a month for that month's temperature, rain, humidity and air quality side by side.