World Resorts South Korea Jeju Weather

Winter weather in Jeju

Weather in Jeju in Winter

December January February
Average day temperature: 48.5°F 44.8°F 46.2°F
Average night temperature: 44.9°F 41.1°F 42.0°F
Sea water temperature: 62.4°F 59.3°F 57.2°F
Number of sunny days: 6 days 7 days 7 days
Day length: 9.9 - 10.1 h. 10.0 - 10.5 h. 10.6 - 11.4 h.
Number of rainy days: 4 days 3 days 4 days
Precipitation totals: 2.3 in. 2.5 in. 2.8 in.

Day & Night air temperature, °F

December
January
February
0
8
16
24
32
40
48
56
64
46.5
45.1
48.2
42.0
41.3
44.7
Day temperature   
Night temperature

Sea water temperature, °F

December
January
February
0
10
20
30
40
50
60
70
80
57.2
59.3
62.4

Precipitation total, in.

December
January
February
0.0
0.5
1.0
1.5
2.0
2.5
3.1
3.6
2.8
3
2.4
Sunny, partly cloudy and cloudy days
December
January
February
0
5
10
15
20
25
30
35
12
16
16
10
8
9
6
7
7
Cloudy days   
Partly cloudy days   
Sunny days
Wind speed, mph
December
January
February
0.0
2.3
4.6
6.9
9.1
11.4
13.7
16.0
13.3
13.3
12.8
Average sunny hours
December
January
February
0
6
4.9
4.6
4.2

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

Best time for vacation in Jeju

Sunniest months:
October 15 days
May 15 days
April 14 days
Warmest months:
August 84.4 °F
July 81.8 °F
September 77.4 °F
Warmest sea temp:
August 81.1 °F
September 77.1 °F
July 76.3 °F
Coldest months:
January 44.8 °F
February 46.2 °F
December 48.5 °F
Rainiest months:
August 9 days
July 8 days
September 7 days
Windiest months:
January 14.4 mph
December 14.3 mph
February 14.0 mph

Jeju on a weather map

Leaflet | Tiles © Esri
Places in South Korea:
Name
°F
+43°F
+48°F
+45°F
+54°F
+52°F
+54°F
24 Hours Forecast
Jeju
Local time: 22:55
April 09, wednesday
0000
54°F
S
2 mph
0300
54°F
E
0 mph
0600
52°F
W
3 mph
0900
61°F
W
4 mph
1200
64°F
SW
4 mph
1500
66°F
NE
2 mph
1800
64°F
N
3 mph
2100
61°F
N
3 mph
Units of measurement: °C / °F