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

Chiang Mai beats Chiang Rai in 4 of 12 months — its lead peaks in July (53 vs 41) — while Chiang Rai wins March to April; they are within 3 points in September to February.

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.

Chiang Mai

🇹🇭 Thailand · tropical climate

Best month: January 87/100
Months won: 4 of 12

Chiang Rai

🇹🇭 Thailand · tropical climate

Best month: January 89/100
Months won: 2 of 12

Chiang Mai vs Chiang Rai — all 12 months

Month	Chiang Mai	Chiang Rai	Winner	Gap
January	87Ahot, dry	89Ahot, a little rain	Tie	2
February	82Asweltering, dry	84Ahot, dry	Tie	2
March	65Csweltering, dry	74Bsweltering, dry, poor air quality	Chiang Rai	9
April	54Dsweltering, dry	59Dsweltering, rainy, poor air quality	Chiang Rai	5
May	52Dsweltering, rainy	46Fsweltering, soaked	Chiang Mai	6
June	60Csweltering, rainy, clean air	49Fsweltering, soaked, clean air	Chiang Mai	11
July	53Dsweltering, soaked, clean air	41Fsweltering, soaked, clean air	Chiang Mai	12
August	46Fsweltering, soaked, clean air	40Fsweltering, soaked, clean air	Chiang Mai	6
September	49Fsweltering, soaked, muggy air	50Dsweltering, soaked, clean air	Tie	1
October	61Csweltering, soaked, muggy air	63Csweltering, soaked, clean air	Tie	2
November	74Bsweltering, a little rain, muggy air	76Bsweltering, a little rain, clean air	Tie	2
December	84Ahot, dry	87Ahot, dry	Tie	3

A month is a tie when the two are within 3 points. The widest gap is July (53 vs 41). Tap a month for that month's temperature, rain, humidity and air quality side by side.