SeasonMapDallas vs Philadelphia: which is better, month by month
Dallas beats Philadelphia in 6 of 12 months — its lead peaks in December (74 vs 56) — while Philadelphia wins May to September; they are within 3 points in 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.
Dallas vs Philadelphia — all 12 months
| Month | Dallas | Philadelphia | Winner | Gap |
|---|---|---|---|---|
| January | 70Bcool, a little rain, clean air | 53Dcold, rainy, clean air | Dallas | 17 |
| February | 73Bcool, rainy, clean air | 60Ccold, rainy | Dallas | 13 |
| March | 84Anice, rainy, clean air | 69Ccool, rainy, clean air | Dallas | 15 |
| April | 88Awarm, rainy, clean air | 82Anice, rainy, clean air | Dallas | 6 |
| May | 75Bhot, rainy | 91Swarm, rainy | Philadelphia | 16 |
| June | 64Csweltering, rainy | 79Bhot, rainy | Philadelphia | 15 |
| July | 56Dsweltering, a little rain | 65Csweltering, rainy | Philadelphia | 9 |
| August | 53Dsweltering, rainy | 72Bhot, rainy | Philadelphia | 19 |
| September | 71Bsweltering, a little rain | 81Awarm, rainy, clean air | Philadelphia | 10 |
| October | 85Awarm, rainy, clean air | 85Anice, a little rain, clean air | Tie | 0 |
| November | 82Anice, a little rain, clean air | 71Bcool, a little rain, clean air | Dallas | 11 |
| December | 74Bcool, a little rain, clean air | 56Dcold, rainy, clean air | Dallas | 18 |
A month is a tie when the two are within 3 points. The widest gap is August (53 vs 72). Tap a month for that month's temperature, rain, humidity and air quality side by side.