SeasonMapPhiladelphia vs Pittsburgh: which is better, month by month
Philadelphia beats Pittsburgh in 8 of 12 months — its lead peaks in January (53 vs 43) — while Pittsburgh wins June to 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.
Philadelphia vs Pittsburgh — all 12 months
| Month | Philadelphia | Pittsburgh | Winner | Gap |
|---|---|---|---|---|
| January | 53Dcold, rainy, clean air | 43Ffreezing, rainy, clean air | Philadelphia | 10 |
| February | 60Ccold, rainy | 52Dcold, rainy, clean air | Philadelphia | 8 |
| March | 69Ccool, rainy, clean air | 64Ccold, rainy, clean air | Philadelphia | 5 |
| April | 82Anice, rainy, clean air | 75Bcool, rainy, clean air | Philadelphia | 7 |
| May | 91Swarm, rainy | 87Anice, rainy, muggy air | Philadelphia | 4 |
| June | 79Bhot, rainy | 84Ahot, rainy, muggy air | Pittsburgh | 5 |
| July | 65Csweltering, rainy | 72Bhot, rainy, muggy air | Pittsburgh | 7 |
| August | 72Bhot, rainy | 80Ahot, rainy, muggy air | Pittsburgh | 8 |
| September | 81Awarm, rainy, clean air | 89Awarm, rainy, clean air | Pittsburgh | 8 |
| October | 85Anice, a little rain, clean air | 78Bnice, rainy, clean air | Philadelphia | 7 |
| November | 71Bcool, a little rain, clean air | 62Ccold, a little rain, clean air | Philadelphia | 9 |
| December | 56Dcold, rainy, clean air | 49Fcold, a little rain, clean air | Philadelphia | 7 |
A month is a tie when the two are within 3 points. The widest gap is January (53 vs 43). Tap a month for that month's temperature, rain, humidity and air quality side by side.