SeasonMapSouth Korea in December
December is South Korea's 9th-best month (rank 9 of 12): its 10 destinations average 59/100, led by Busan at 70 — 7°C and 4 rainy days — while Incheon is cooler at -1°C and scores 51.
#9 of 12 months for South Korea · 10 destinations · updated September 2026 · climate normals from ERA5 reanalysis
Where in South Korea in December
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Busan | City | 7°C | 28 mm · 4 days | 70 tier B | — |
| 2 | Gyeongju | City | 4°C | 26 mm · 3 days | 65 tier C | — |
| 3 | Pyeongchang | Ski resort | -1°C | 30 mm · 5 days | 65 tier C | Yes |
| 4 | Daegu | City | 3°C | 23 mm · 3 days | 63 tier C | — |
| 5 | Jeonju | City | 3°C | 34 mm · 5 days | 60 tier C | — |
| 6 | Jeju | Island | 7°C | 58 mm · 10 days | 57 tier D | — |
| 7 | Gangneung | Beach | 3°C | 38 mm · 4 days | 54 tier D | — |
| 8 | Seoul | City | 0°C | 26 mm · 5 days | 52 tier D | — |
| 9 | Incheon | City | -1°C | 27 mm · 5 days | 51 tier D | — |
| 10 | Sokcho | Beach | 0°C | 40 mm · 5 days | 51 tier D | — |
Comfort is SeasonMap's 0–100 score; each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. "At its best" means December is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.