SeasonMapAtlanta vs Chicago: which is better, month by month
Atlanta beats Chicago in 7 of 12 months — its lead peaks in January (62 vs 40) — while Chicago 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.
Atlanta vs Chicago — all 12 months
| Month | Atlanta | Chicago | Winner | Gap |
|---|---|---|---|---|
| January | 62Ccold, rainy, clean air | 40Ffreezing, a little rain, clean air | Atlanta | 22 |
| February | 69Ccool, rainy, clean air | 49Ffreezing, a little rain, clean air | Atlanta | 20 |
| March | 79Bnice, rainy, clean air | 64Ccold, a little rain, clean air | Atlanta | 15 |
| April | 90Snice, rainy, clean air | 71Bcool, rainy, clean air | Atlanta | 19 |
| May | 84Ahot, rainy | 83Anice, rainy, muggy air | Tie | 1 |
| June | 73Bhot, rainy | 86Awarm, rainy | Chicago | 13 |
| July | 64Csweltering, rainy, muggy air | 76Bhot, rainy, muggy air | Chicago | 12 |
| August | 65Csweltering, rainy, muggy air | 81Ahot, a little rain | Chicago | 16 |
| September | 80Ahot, rainy | 91Swarm, a little rain, clean air | Chicago | 11 |
| October | 91Swarm, rainy, clean air | 73Bnice, rainy, clean air | Atlanta | 18 |
| November | 77Bnice, a little rain, clean air | 62Ccold, a little rain, clean air | Atlanta | 15 |
| December | 66Ccool, rainy, clean air | 46Fcold, a little rain, clean air | Atlanta | 20 |
A month is a tie when the two are within 3 points. The widest gap is January (62 vs 40). Tap a month for that month's temperature, rain, humidity and air quality side by side.