Measurements:
°C
°F
Seoul
50°F
NW 2 mph
Feels like: 50°F
Precip: 0%
World Resorts South Korea Seoul Weather December Weather in Seoul

Seoul Weather: December

Average Day Temperature: 34.4°F
Average Night Temperature: 27.8°F
Sea Water Temperature: 46.4°F
Number of Sunny Days: 15 days
Sunshine Hours: 9.6 - 9.8 hours
Number of Rainy Days: 1 day
Precipitation Totals: 1.0 in

Air Temperature in December, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
9
18
27
36
45
54
63
Day Temperature   
Night Temperature

The highest day temperature in December 2024 was 53°F. The lowest night temperature was 21°F. The average values for day and night temperatures during December were 34.8°F и 29.1°F respectivly.

Seoul Water Sea Temperature in December, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
37
40
43
46
49
52
55
58

The average sea surface temperature in December 2024 for Seoul was 45.8°F. The maximum and minimum values were 41.0°F and 52.4°F respectively.

Sunny, Cloudy and Gloomy days
Sunny days
Cloudy days
Gloomy days
48%
32%
19%

Most of the days in December are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in December, in

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.7
3.4
5.1
6.8
8.6
10.3
12.0
13.7

Precipitation total in December for Seoul is 1.0 in. It makes december one of the least rainy months of the year.

Wind Speed in December, mph
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.3
2.5
3.8
5.0
6.3
7.5
8.8

The average wind speed in December is 6.2 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.7
3.5
5.2
7.0
8.7
10.4
12.2

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Seoul in December is 6.3 hours.

Best Time to Visit Seoul
The most sunny months:
October 19 days
May 19 days
March 17 days
The most warm months:
August 91.0 °F
July 89.6 °F
June 85.8 °F
Warmest sea temperature:
August 81.7 °F
September 77.5 °F
July 77.2 °F
The most cold months:
January 30.9 °F
December 34.4 °F
February 36.9 °F
The most rainy months:
July 11 days
August 9 days
May 5 days
The most windy months:
April 7 mph
March 7 mph
May 6 mph

Seoul on the Weather Map

South Korea Resorts:
NAME
Busan +52
Incheon +48
Jeju +52
Muju +38
Seoul +50
Yongpyong +40
24 Hours Weather Forecast
Seoul
Local time: 06:21
09 apr, wednesday
0900 54°F
NW
2 mph
1200 60°F
N
5 mph
1500 60°F
NE
8 mph
1800 56°F
NE
2 mph
2100 52°F
SE
2 mph
10 apr, thursday
0000 52°F
NW
1 mph
0300 50°F
S
1 mph
0600 52°F
NW
2 mph