SeasonMapPittsburgh vs Washington: which is better, month by month
Washington beats Pittsburgh in 7 of 12 months — its lead peaks in January (59 vs 43) — while Pittsburgh wins June to September; they are within 3 points in May.
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.
Pittsburgh vs Washington — all 12 months
| Month | Pittsburgh | Washington | Winner | Gap |
|---|---|---|---|---|
| January | 43Ffreezing, rainy, clean air | 59Dcold, a little rain, clean air | Washington | 16 |
| February | 52Dcold, rainy, clean air | 63Ccold, a little rain, clean air | Washington | 11 |
| March | 64Ccold, rainy, clean air | 73Bcool, rainy, clean air | Washington | 9 |
| April | 75Bcool, rainy, clean air | 83Anice, rainy, clean air | Washington | 8 |
| May | 87Anice, rainy, muggy air | 87Awarm, rainy | Tie | 0 |
| June | 84Ahot, rainy, muggy air | 78Bhot, rainy | Pittsburgh | 6 |
| July | 72Bhot, rainy, muggy air | 65Csweltering, soaked | Pittsburgh | 7 |
| August | 80Ahot, rainy, muggy air | 70Bsweltering, rainy | Pittsburgh | 10 |
| September | 89Awarm, rainy, clean air | 80Ahot, rainy, clean air | Pittsburgh | 9 |
| October | 78Bnice, rainy, clean air | 85Anice, rainy, clean air | Washington | 7 |
| November | 62Ccold, a little rain, clean air | 71Bcool, a little rain, clean air | Washington | 9 |
| December | 49Fcold, a little rain, clean air | 58Dcold, rainy, clean air | Washington | 9 |
A month is a tie when the two are within 3 points. The widest gap is January (43 vs 59). Tap a month for that month's temperature, rain, humidity and air quality side by side.