SeasonMapChiang Mai vs Ulaanbaatar: which is better, month by month
Ulaanbaatar beats Chiang Mai in 6 of 12 months — its lead peaks in August (87 vs 46) — while Chiang Mai wins November to March; they are within 3 points in October.
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 vs Ulaanbaatar — all 12 months
| Month | Chiang Mai | Ulaanbaatar | Winner | Gap |
|---|---|---|---|---|
| January | 87Ahot, dry | 32Ffreezing, dry | Chiang Mai | 55 |
| February | 82Asweltering, dry | 35Ffreezing, dry | Chiang Mai | 47 |
| March | 65Csweltering, dry | 53Dfreezing, dry | Chiang Mai | 12 |
| April | 54Dsweltering, dry | 70Bcold, dry, clean air | Ulaanbaatar | 16 |
| May | 52Dsweltering, rainy | 81Acool, dry, clean air | Ulaanbaatar | 29 |
| June | 60Csweltering, rainy, clean air | 93Snice, a little rain, clean air | Ulaanbaatar | 33 |
| July | 53Dsweltering, soaked, clean air | 90Swarm, a little rain, clean air | Ulaanbaatar | 37 |
| August | 46Fsweltering, soaked, clean air | 87Anice, a little rain, clean air | Ulaanbaatar | 41 |
| September | 49Fsweltering, soaked, muggy air | 78Bcool, a little rain, clean air | Ulaanbaatar | 29 |
| October | 61Csweltering, soaked, muggy air | 63Ccold, dry, clean air | Tie | 2 |
| November | 74Bsweltering, a little rain, muggy air | 40Ffreezing, dry, reliable snow | Chiang Mai | 34 |
| December | 84Ahot, dry | 29Ffreezing, dry, poor air quality | Chiang Mai | 55 |
A month is a tie when the two are within 3 points. The widest gap is January (87 vs 32). Tap a month for that month's temperature, rain, humidity and air quality side by side.