SeasonMapBangkok vs Vientiane: which is better, month by month
Vientiane beats Bangkok in 7 of 12 months — its lead peaks in October (64 vs 50) — while Bangkok wins June to August; they are within 3 points in May and September.
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 Vientiane — all 12 months
| Month | Bangkok | Vientiane | Winner | Gap |
|---|---|---|---|---|
| January | 73Bsweltering, dry, poor air quality | 86Ahot, dry | Vientiane | 13 |
| February | 69Csweltering, dry, poor air quality | 81Asweltering, dry | Vientiane | 12 |
| March | 60Csweltering, a little rain, poor air quality | 70Bsweltering, dry | Vientiane | 10 |
| April | 51Dsweltering, a little rain, poor air quality | 56Dsweltering, a little rain, poor air quality | Vientiane | 5 |
| May | 47Fsweltering, rainy, muggy air | 50Dsweltering, soaked | Tie | 3 |
| June | 58Dsweltering, rainy, muggy air | 47Fsweltering, soaked, clean air | Bangkok | 11 |
| July | 56Dsweltering, soaked, clean air | 40Fsweltering, soaked, clean air | Bangkok | 16 |
| August | 57Dsweltering, rainy, clean air | 38Fsweltering, soaked, clean air | Bangkok | 19 |
| September | 46Fsweltering, soaked, muggy air | 43Fsweltering, soaked, clean air | Tie | 3 |
| October | 50Dsweltering, soaked, poor air quality | 64Csweltering, rainy, clean air | Vientiane | 14 |
| November | 65Csweltering, a little rain, poor air quality | 75Bsweltering, dry | Vientiane | 10 |
| December | 75Bsweltering, dry | 87Ahot, dry | Vientiane | 12 |
A month is a tie when the two are within 3 points. The widest gap is August (57 vs 38). Tap a month for that month's temperature, rain, humidity and air quality side by side.