Bangkok vs Chiang Mai: which is better, month by month

Chiang Mai beats Bangkok in 7 of 12 months — its lead peaks in January (87 vs 73) — while Bangkok wins August; they are within 3 points in the other 4 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.

Bangkok

🇹🇭 Thailand · tropical climate

Best month: December 75/100
Months won: 1 of 12

Chiang Mai

🇹🇭 Thailand · tropical climate

Best month: January 87/100
Months won: 7 of 12

Bangkok vs Chiang Mai — all 12 months

Month	Bangkok	Chiang Mai	Winner	Gap
January	73Bsweltering, dry, poor air quality	87Ahot, dry	Chiang Mai	14
February	69Csweltering, dry, poor air quality	82Asweltering, dry	Chiang Mai	13
March	60Csweltering, a little rain, poor air quality	65Csweltering, dry	Chiang Mai	5
April	51Dsweltering, a little rain, poor air quality	54Dsweltering, dry	Tie	3
May	47Fsweltering, rainy, muggy air	52Dsweltering, rainy	Chiang Mai	5
June	58Dsweltering, rainy, muggy air	60Csweltering, rainy, clean air	Tie	2
July	56Dsweltering, soaked, clean air	53Dsweltering, soaked, clean air	Tie	3
August	57Dsweltering, rainy, clean air	46Fsweltering, soaked, clean air	Bangkok	11
September	46Fsweltering, soaked, muggy air	49Fsweltering, soaked, muggy air	Tie	3
October	50Dsweltering, soaked, poor air quality	61Csweltering, soaked, muggy air	Chiang Mai	11
November	65Csweltering, a little rain, poor air quality	74Bsweltering, a little rain, muggy air	Chiang Mai	9
December	75Bsweltering, dry	84Ahot, dry	Chiang Mai	9

A month is a tie when the two are within 3 points. The widest gap is January (73 vs 87). Tap a month for that month's temperature, rain, humidity and air quality side by side.