Jeju City offers a solid outdoor season. July through August are the toughest stretch. Dinner outside works 4/12 months, while walking is comfortable 10/12 months — impressive.
Jeju CitySouth Korea
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Annual
4/12
Dinner Outside
52
25Jan: 25% viability
25
28Feb: 28% viability
28
38Mar: 38% viability
38
57Apr: 57% viability
57
83May: 83% viability
83
83Jun: 83% viability
83
52Jul: 52% viability
52
46Aug: 46% viability
46
71Sep: 71% viability
71
72Oct: 72% viability
72
44Nov: 44% viability
44
26Dec: 26% viability
26
4/12
Dinner Outside
25Jan: 25% viability
25
28Feb: 28% viability
28
38Mar: 38% viability
38
57Apr: 57% viability
57
83May: 83% viability
83
83Jun: 83% viability
83
52Jul: 52% viability
52
46Aug: 46% viability
46
71Sep: 71% viability
71
72Oct: 72% viability
72
44Nov: 44% viability
44
26Dec: 26% viability
26
52%
Cold
1/12
Lunch Outside
47
44Jan: 44% viability
44
48Feb: 48% viability
48
56Mar: 56% viability
56
63Apr: 63% viability
63
65May: 65% viability
65
51Jun: 51% viability
51
18Jul: 18% viability
18
17Aug: 17% viability
17
40Sep: 40% viability
40
58Oct: 58% viability
58
52Nov: 52% viability
52
48Dec: 48% viability
48
1/12
Lunch Outside
44Jan: 44% viability
44
48Feb: 48% viability
48
56Mar: 56% viability
56
63Apr: 63% viability
63
65May: 65% viability
65
51Jun: 51% viability
51
18Jul: 18% viability
18
17Aug: 17% viability
17
40Sep: 40% viability
40
58Oct: 58% viability
58
52Nov: 52% viability
52
48Dec: 48% viability
48
47%
Wind
10/12
Walking
75
76Jan: 76% viability
76
77Feb: 77% viability
77
84Mar: 84% viability
84
89Apr: 89% viability
89
92May: 92% viability
92
88Jun: 88% viability
88
59Jul: 59% viability
59
36Aug: 36% viability
36
68Sep: 68% viability
68
82Oct: 82% viability
82
77Nov: 77% viability
77
74Dec: 74% viability
74
10/12
Walking
76Jan: 76% viability
76
77Feb: 77% viability
77
84Mar: 84% viability
84
89Apr: 89% viability
89
92May: 92% viability
92
88Jun: 88% viability
88
59Jul: 59% viability
59
36Aug: 36% viability
36
68Sep: 68% viability
68
82Oct: 82% viability
82
77Nov: 77% viability
77
74Dec: 74% viability
74
75%
Humid
9/12
Running
70
76Jan: 76% viability
76
77Feb: 77% viability
77
84Mar: 84% viability
84
89Apr: 89% viability
89
92May: 92% viability
92
73Jun: 73% viability
73
39Jul: 39% viability
39
17Aug: 17% viability
17
56Sep: 56% viability
56
80Oct: 80% viability
80
77Nov: 77% viability
77
74Dec: 74% viability
74
9/12
Running
76Jan: 76% viability
76
77Feb: 77% viability
77
84Mar: 84% viability
84
89Apr: 89% viability
89
92May: 92% viability
92
73Jun: 73% viability
73
39Jul: 39% viability
39
17Aug: 17% viability
17
56Sep: 56% viability
56
80Oct: 80% viability
80
77Nov: 77% viability
77
74Dec: 74% viability
74
70%
Humid
Tap any month for details · Click activity name for overview
ComfortableModerateUncomfortable
Based on 2014–2024 hourly climate data · Updated Mar 2025