Busan weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Fair
Best time to visit: April – June, September – October
What is the weather like in Busan in December?
In December, Busan is cold: daytime highs average 9 °C, and nights cool down to about 3 °C. The sea averages 16.9 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain is rare: about 3 days bring 27 mm in total. All in all, December is a so-so month for a holiday in Busan.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 74 | 46 | 42 |
| Day | 15° | 9° | 7° |
| Night | 9° | 3° | 1° |
| Sea | 20° | 17° | 15° |
| Sun | 7 h | 7 h | 7 h |
| Rain days | 5 | 3 | 4 |
More details for December
- Daylight
- 9 h 49 min07:25 – 17:13
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 35 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+9Asia/Seoul
How the score comes together
- Temperatureweight 50 %8 %
- Sunshineweight 20 %60 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in December
- Warm jacket
Busan in December: quick answers
Is Busan hot in December?
No. In December, Busan is cold: daytime highs average 9 °C and nights drop to about 3 °C.
Can you swim in Busan in December?
Only if you don't mind cold water: in December the sea averages just 16.9 °C. Comfortable swimming is possible from June to October.
Does it rain much in Busan in December?
Rain is rare: about 3 days bring 27 mm in total.
Busan month by month
The whole year in BusanAll destinations: South KoreaWhere to go in DecemberSea temperature in December
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences