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

Lisbon beats Chiang Mai in 9 of 12 months — its lead peaks in May (95 vs 52) — while Chiang Mai wins December to January; they are within 3 points in 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: 2 of 12

Lisbon

🇵🇹 Portugal · mild climate

Best month: May 95/100
Months won: 9 of 12

Chiang Mai vs Lisbon — all 12 months

Month	Chiang Mai	Lisbon	Winner	Gap
January	87Ahot, dry	75Bcool, a little rain, clean air	Chiang Mai	12
February	82Asweltering, dry	80Acool, a little rain, clean air	Tie	2
March	65Csweltering, dry	83Anice, a little rain, clean air	Lisbon	18
April	54Dsweltering, dry	89Anice, a little rain, clean air	Lisbon	35
May	52Dsweltering, rainy	95Snice, a little rain, clean air	Lisbon	43
June	60Csweltering, rainy, clean air	93Swarm, dry, clean air	Lisbon	33
July	53Dsweltering, soaked, clean air	87Ahot, dry, clean air	Lisbon	34
August	46Fsweltering, soaked, clean air	86Ahot, dry, clean air	Lisbon	40
September	49Fsweltering, soaked, muggy air	89Awarm, dry, clean air	Lisbon	40
October	61Csweltering, soaked, muggy air	88Anice, a little rain, clean air	Lisbon	27
November	74Bsweltering, a little rain, muggy air	79Bnice, rainy, clean air	Lisbon	5
December	84Ahot, dry	75Bcool, a little rain, clean air	Chiang Mai	9

A month is a tie when the two are within 3 points. The widest gap is May (52 vs 95). Tap a month for that month's temperature, rain, humidity and air quality side by side.