South Korea weather in December - temperature, rain and is it a good time to visit?

Daytime
Night
-2°
☀️ Day length
9 h 45 min
Chance of rain
19%
Thunder days
1%
Snow days
15%
WEATHER THROUGH THE YEARSouth Korea - December vs the year-4°-2°12°18°23°14°26°19°29°23°30°24°25°19°21°14°13°-2°CHANCE OF RAIN (%)132222342833504045302919JanFebMarAprMayJunJulAugSepOctNovDecWARMESTAug (30°)COLDESTJan (4°)DRIESTJan (13%)WETTESTJul (50%)world-prices.com · 2026-07-08 · ★ best months
In December, South Korea averages about 6° during the day and -2° at night. It's usually fairly dry, with only about a 19% chance of rain.

South Korea weather all year - average temperatures and rain

MonthDayNightChance of rain
January 4℃-4℃13%
February 7℃-2℃22%
March 12℃3℃22%
April ★ 18℃8℃34%
May ★ 23℃14℃28%
June ★ 26℃19℃33%
July ★ 29℃23℃50%
August ★ 30℃24℃40%
September ★ 25℃19℃45%
October ★ 21℃14℃30%
November ★ 13℃5℃29%
December 6℃-2℃19%
★ - months most often recommended for travel

Where is it warmest in South Korea in December? Weather by city

PlaceDayNight🌊 SeaChance of rain
Busan 9℃0℃14℃20%
Changwon 9℃0℃13℃20%
Ulsan 7℃0℃14℃16%
Daegu 7℃-3℃-16%
Gangneung 5℃-1℃14℃13%
Seoul 4℃-4℃8℃18%
Anyang 4℃-4℃8℃18%
Incheon 3℃-3℃8℃27%
Travelling soon? Check the live 14-day weather forecast for South Korea.

South Korea weather - other months

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember