SeasonMapBusan vs Seoul: which is better, month by month
Busan beats Seoul in 6 of 12 months — its lead peaks in January (66 vs 47) — while Seoul wins April and September; 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.
Busan vs Seoul — all 12 months
| Month | Busan | Seoul | Winner | Gap |
|---|---|---|---|---|
| January | 66Ccold, a little rain | 47Ffreezing, dry | Busan | 19 |
| February | 69Ccold, a little rain | 59Dcold, dry | Busan | 10 |
| March | 74Bcool, rainy | 74Bcool, a little rain | Tie | 0 |
| April | 81Anice, rainy | 85Anice, a little rain | Seoul | 4 |
| May | 88Anice, rainy, muggy air | 90Swarm, rainy | Tie | 2 |
| June | 77Bwarm, soaked, muggy air | 78Bhot, rainy | Tie | 1 |
| July | 61Csweltering, soaked, clean air | 51Dsweltering, soaked, muggy air | Busan | 10 |
| August | 58Dsweltering, soaked, muggy air | 54Dsweltering, soaked, muggy air | Busan | 4 |
| September | 65Chot, soaked, clean air | 75Bhot, rainy, muggy air | Seoul | 10 |
| October | 86Anice, rainy | 83Anice, a little rain | Tie | 3 |
| November | 82Acool, a little rain, clean air | 70Bcool, a little rain | Busan | 12 |
| December | 70Bcold, dry | 52Dcold, dry | Busan | 18 |
A month is a tie when the two are within 3 points. The widest gap is January (66 vs 47). Tap a month for that month's temperature, rain, humidity and air quality side by side.