SeasonMapChittagong vs Kolkata: which is better, month by month
Chittagong beats Kolkata in 2 of 12 months — its lead peaks in August (39 vs 34) — while Kolkata wins June; they are within 3 points in the other 9 months.
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.
Chittagong vs Kolkata — all 12 months
| Month | Chittagong | Kolkata | Winner | Gap |
|---|---|---|---|---|
| January | 92Swarm, dry, poor air quality | 92Swarm, dry, poor air quality | Tie | 0 |
| February | 84Ahot, dry, poor air quality | 82Ahot, a little rain, poor air quality | Tie | 2 |
| March | 72Bsweltering, a little rain, poor air quality | 71Bsweltering, a little rain, poor air quality | Tie | 1 |
| April | 63Csweltering, a little rain, poor air quality | 59Dsweltering, a little rain, poor air quality | Chittagong | 4 |
| May | 50Dsweltering, soaked, muggy air | 52Dsweltering, rainy, muggy air | Tie | 2 |
| June | 35Fsweltering, soaked, muggy air | 45Fsweltering, soaked, muggy air | Kolkata | 10 |
| July | 38Fsweltering, soaked, clean air | 37Fsweltering, soaked, muggy air | Tie | 1 |
| August | 39Fsweltering, soaked, clean air | 34Fsweltering, soaked, muggy air | Chittagong | 5 |
| September | 42Fsweltering, soaked, clean air | 41Fsweltering, soaked, muggy air | Tie | 1 |
| October | 53Dsweltering, soaked, muggy air | 56Dsweltering, soaked, poor air quality | Tie | 3 |
| November | 75Bsweltering, a little rain, muggy air | 76Bhot, a little rain, poor air quality | Tie | 1 |
| December | 86Ahot, dry, muggy air | 88Awarm, dry, poor air quality | Tie | 2 |
A month is a tie when the two are within 3 points. The widest gap is June (35 vs 45). Tap a month for that month's temperature, rain, humidity and air quality side by side.