Jeju City Weather Year-Round — Best Time to Visit
Jeju City, South Korea has mild weather year-round. The best time to visit is October (score: 80/100). Annual average high: 18.3°C, total rainfall: 1492mm.
When is the best time to visit Jeju City?
80
October is the best month to visit Jeju City with a travel score of 80/100 (Good).
Expect highs of 20.8°C, 8 rain days, and 8.6 hours of daily sunshine.
View October weather details →Travel Score by Month
50
Jan
56
Feb
63
Mar
72
Apr
78
May
73
Jun
72
Jul
73
Aug
73
Sep
80
Oct
67
Nov
54
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Jeju City each month?
18.3°C
Avg High
14.1°C
Avg Low
1492mm
Annual Rain
How much rain does Jeju City get?
Jeju City receives 1492mm of rain annually. The wettest month is typically September with 204mm, while February is the driest.
What is the weather like each month in Jeju City?
January
50
8°C
Low: 4°C
12 rain days
Mixed
February
56
9°C
Low: 5°C
10 rain days
Mixed
March
63
13°C
Low: 7°C
10 rain days
Good
April
72
17°C
Low: 11°C
9 rain days
Good
May
78
21°C
Low: 15°C
9 rain days
Good
June
73
24°C
Low: 20°C
11 rain days
Good
July
72
28°C
Low: 24°C
13 rain days
Good
August
73
29°C
Low: 26°C
14 rain days
Good
September
73
26°C
Low: 22°C
12 rain days
Good
October
Best time to visit80
21°C
Low: 17°C
8 rain days
Good
November
67
16°C
Low: 11°C
9 rain days
Good
December
54
10°C
Low: 6°C
11 rain days
Mixed
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Data based on 1994–2024 averages · Last updated: 2024-12-31