yearsofweather

Busan in December:
crisp and chilly, only a little rain

Busan, South Korea · Records from 2006 to 2025. Not a forecast.

Mean high10°Hottest day 20.9° (2023)
Mean low2°Coldest night −6.3° (2020)
Rain days4 days0-8 by year
Rainfall36mmDaylight 10.0 → 9.8 h
Busan's 12 months iBest: May, June and October
Trip types Beach Poorcool seaSightseeing on foot Finemostly dry
Humidity54%0 muggy days
Clear days16 days4 overcast days
Mean wind13 km/hRarely windy
Sea temperature16.8°15.8-17.3° by year (last 6)
Sunrise / sunset (15th)07:25 / 17:13Daylight 10.0 → 9.8 h

Busan in December

The dry wind picks up again as winter sets in. Clear days are among the most frequent of the year, so daytime walks are pleasant, but it turns chilly soon after sunset. Rain is rare, so an umbrella is seldom needed. On the night of December 31, countdown events at Haeundae and Gwangalli pack the beachfront streets.

December in Busan was brisk: 10°C by day, 2°C at night. Standing in the shade felt chilly. Out of 31 days, an average of 4 saw rain. In 2024, December had no rain day at all; in 2007 it had 8.

Days were short. Daylight shrank from 10.0 to 9.8 hours across the month, so plan outdoor sights early. Frost touched 10 nights of the month on average, enough to glaze puddles and shaded steps at first light. Cold snaps happened: the record low for December was −6.3°C, set in 2020.

How long it rained

On a rainy day it rained for about 4.9 hours. Rain came at any time of day.

Typhoons i No tropical storm passed within 300 km in this month over the last 20 years. Typhoons: July to October

Date by date i

‹ November December 2026 January ›
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
1-5rain on 13% of days12° 4°
6-12rain on 13% of days12° 3°
13-19rain on 12% of days9° 1°
20-26rain on 13% of days10° 2°
27-31rain on 11% of days9° 0°

0-5/206-8/209-11/2012-20/20

1-5rain on 13% of days12° 4°
6-12rain on 13% of days12° 3°
13-19rain on 12% of days9° 1°
20-26rain on 13% of days10° 2°
27-31rain on 11% of days9° 0°
Tap another date to change

2006none
20077mm
2008none
2009none
20107mm
20118mm
20125mm
2013none
2014none
20151mm
2016none
2017none
20186mm
2019none
2020none
2021none
2022none
2023none
2024none
2025none
Holidays in December (2026)
  • December 25 to December 27 Christmas long weekend
  • December 25 Christmas Day

1 Local public holiday or break (busier, pricier)1 US holidays (flights fill up)

Day by day temperature i

−2°6°14°22° 1815222931

Mean high Mean low Coldest to warmest high in 20 years

Your trip dates, the past 20 years

Trip dates ~

You can also click two dates on the axis. Hover a cell to see that day's rain.
Trip rain days Month rain days
2006
2 d 3 d
2007
3 d 8 d
2008
0 d 2 d
2009
3 d 3 d
2010
0 d 2 d
2011
0 d 3 d
2012
1 d 8 d
2013
1 d 4 d
2014
1 d 5 d
2015
2 d 8 d
2016
0 d 5 d
2017
0 d 1 d
2018
2 d 7 d
2019
0 d 4 d
2020
0 d 2 d
2021
0 d 1 d
2022
1 d 2 d
2023
2 d 6 d
2024
0 d 0 d
2025
0 d 3 d
Years with rain
Tap a date to start, tap another to end. Each cell is that date in one year.
'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25
of 20
2
6
2
2
1
1
1
2
3
3
5
3
3
3
3
3
2
1
2
2
6
2
3
2
0
3
3
2
3
2
1
Rain days on trip
23030011120020001200

No rain1-9 mm10 mm or more Dates outside your trip are dimmed.

One row per year, one cell per day. 2024 had 0 rain days, 2007 had 8.

Busan through the year

MonthHighLowRain daysRainfallSea
January 8°0°3 days30mm 15°
February 10°2°5 days57mm 14°
March 14°6°7 days91mm 14°
April 18°10°8 days133mm 16°
MayGood 22°15°7 days154mm 17°
JuneGood 25°19°9 days168mm 21°
July 28°22°10 days307mm 24°
August 30°24°9 days222mm 27°
September 27°20°8 days176mm 26°
OctoberGood 23°15°4 days102mm 23°
November 17°8°4 days54mm 20°
December 10°2°4 days36mm 17°

Common questions

Does it rain a lot in Busan in December?

Over the past 20 years December averaged 4 rain days (1 mm or more) out of 31. Individual years ran from 0 in the driest to 8 in the wettest.

What should I wear in Busan in December?

Days averaged 10°C and nights 2°C. Pack a sweater plus a light jacket and a compact umbrella.

Can you swim in Busan in December?

Sea surface temperature averaged 16.8°C in December, too cold for most people without a wetsuit. Year to year it ranged 15.8-17.3°C. Check local flags for waves and jellyfish on the day.

Is December a good time to visit Busan?

On warmth and rain days alone, Busan's easiest months were May, June and October. December ranked 11 of 12.

How many clear days does Busan get in December?

About 16 clear days (under 30% cloud on average) and 4 overcast days (80% or more).