SeasonMapBaltimore vs Philadelphia: which is better, month by month
Baltimore beats Philadelphia in 3 of 12 months — its lead peaks in February (65 vs 60) — and they are within 3 points in April to December.
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.
Baltimore vs Philadelphia — all 12 months
| Month | Baltimore | Philadelphia | Winner | Gap |
|---|---|---|---|---|
| January | 57Dcold, a little rain, clean air | 53Dcold, rainy, clean air | Baltimore | 4 |
| February | 65Ccold, rainy, clean air | 60Ccold, rainy | Baltimore | 5 |
| March | 73Bcool, rainy, clean air | 69Ccool, rainy, clean air | Baltimore | 4 |
| April | 84Anice, rainy, clean air | 82Anice, rainy, clean air | Tie | 2 |
| May | 90Swarm, rainy | 91Swarm, rainy | Tie | 1 |
| June | 79Bhot, rainy | 79Bhot, rainy | Tie | 0 |
| July | 64Csweltering, rainy, muggy air | 65Csweltering, rainy | Tie | 1 |
| August | 70Bsweltering, rainy, muggy air | 72Bhot, rainy | Tie | 2 |
| September | 79Bhot, rainy, clean air | 81Awarm, rainy, clean air | Tie | 2 |
| October | 87Anice, a little rain, clean air | 85Anice, a little rain, clean air | Tie | 2 |
| November | 71Bcool, a little rain, clean air | 71Bcool, a little rain, clean air | Tie | 0 |
| December | 58Dcold, rainy, clean air | 56Dcold, rainy, clean air | Tie | 2 |
A month is a tie when the two are within 3 points. The widest gap is February (65 vs 60). Tap a month for that month's temperature, rain, humidity and air quality side by side.