SeasonMapBangkok 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 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.