Chittagong 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

🇧🇩 Bangladesh · tropical climate

Best month: January 92/100
Months won: 2 of 12

Kolkata

🇮🇳 India · tropical climate

Best month: January 92/100
Months won: 1 of 12

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.