Bangkok vs Seoul: which is better, month by month

Seoul beats Bangkok in 7 of 12 months — its lead peaks in May (90 vs 47) — while Bangkok wins January, February, July and December; they are within 3 points in August.

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.

Bangkok

🇹🇭 Thailand · tropical climate

Best month: December 75/100
Months won: 4 of 12

Seoul

🇰🇷 South Korea · mild climate

Best month: May 90/100
Months won: 7 of 12

Bangkok vs Seoul — all 12 months

Month	Bangkok	Seoul	Winner	Gap
January	73Bsweltering, dry, poor air quality	47Ffreezing, dry	Bangkok	26
February	69Csweltering, dry, poor air quality	59Dcold, dry	Bangkok	10
March	60Csweltering, a little rain, poor air quality	74Bcool, a little rain	Seoul	14
April	51Dsweltering, a little rain, poor air quality	85Anice, a little rain	Seoul	34
May	47Fsweltering, rainy, muggy air	90Swarm, rainy	Seoul	43
June	58Dsweltering, rainy, muggy air	78Bhot, rainy	Seoul	20
July	56Dsweltering, soaked, clean air	51Dsweltering, soaked, muggy air	Bangkok	5
August	57Dsweltering, rainy, clean air	54Dsweltering, soaked, muggy air	Tie	3
September	46Fsweltering, soaked, muggy air	75Bhot, rainy, muggy air	Seoul	29
October	50Dsweltering, soaked, poor air quality	83Anice, a little rain	Seoul	33
November	65Csweltering, a little rain, poor air quality	70Bcool, a little rain	Seoul	5
December	75Bsweltering, dry	52Dcold, dry	Bangkok	23

A month is a tie when the two are within 3 points. The widest gap is May (47 vs 90). Tap a month for that month's temperature, rain, humidity and air quality side by side.