Average data for 10 years
1 January
Wednesday
+9°
+7°
2 January
Thursday
+9°
+6°
3 January
Friday
+9°
+6°
4 January
Saturday
+8°
+6°
5 January
Sunday
+8°
+7°
6 January
Monday
+8°
+7°
7 January
Tuesday
+8°
+6°
8 January
Wednesday
+8°
+6°
9 January
Thursday
+8°
+5°
10 January
Friday
+7°
+6°
11 January
Saturday
+8°
+6°
12 January
Sunday
+8°
+6°
13 January
Monday
+8°
+6°
14 January
Tuesday
+8°
+6°
15 January
Wednesday
+7°
+6°
16 January
Thursday
+7°
+6°
17 January
Friday
+7°
+6°
18 January
Saturday
+8°
+6°
19 January
Sunday
+8°
+7°
20 January
Monday
+8°
+6°
21 January
Tuesday
+8°
+6°
22 January
Wednesday
+8°
+6°
23 January
Thursday
+7°
+5°
24 January
Friday
+6°
+5°
25 January
Saturday
+7°
+5°
26 January
Sunday
+7°
+5°
27 January
Monday
+7°
+5°
28 January
Tuesday
+7°
+6°
29 January
Wednesday
+8°
+6°
30 January
today
+7°
+6°
31 January
tomorrow
+8°
+6°
January in Jeju is the windiest, the cloudiest, and the coldest month of the year. In January, the weather in Jeju is typically cold. Average daily high temperature in January is about 8 degrees above zero. On average, Jeju has 11 rainy, 9 cloudy, 9 partly cloudy, and 2 sunny days in January. The rains are usually moderate. January as well as February, March, and December is considered the most uncomfortable time to visit Jeju.