Seosan Weather Year-Round — Best Time to Visit
Seosan, South Korea has mild weather year-round. The best time to visit is June (score: 84/100). Annual average high: 16.2°C, total rainfall: 1102mm.
When is the best time to visit Seosan?
84
June is the best month to visit Seosan with a travel score of 84/100 (Excellent).
Expect highs of 25°C, 8 rain days, and 9.9 hours of daily sunshine.
View June weather details →Travel Score by Month
56
Jan
62
Feb
67
Mar
75
Apr
81
May
84
Jun
70
Jul
73
Aug
83
Sep
81
Oct
66
Nov
57
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Seosan each month?
16.2°C
Avg High
9.3°C
Avg Low
1102mm
Annual Rain
How much rain does Seosan get?
Seosan receives 1102mm of rain annually. The wettest month is typically July with 250mm, while January is the driest.
What is the weather like each month in Seosan?
January
56
3°C
Low: -3°C
5 rain days
Mixed
February
62
5°C
Low: -2°C
4 rain days
Good
March
67
10°C
Low: 2°C
5 rain days
Good
April
75
16°C
Low: 7°C
7 rain days
Good
May
81
21°C
Low: 12°C
7 rain days
Excellent
June
Best time to visit84
25°C
Low: 17°C
8 rain days
Excellent
July
70
27°C
Low: 22°C
14 rain days
Good
August
73
28°C
Low: 23°C
14 rain days
Good
September
83
25°C
Low: 18°C
8 rain days
Excellent
October
81
19°C
Low: 12°C
5 rain days
Excellent
November
66
12°C
Low: 5°C
7 rain days
Good
December
57
5°C
Low: -1°C
6 rain days
Mixed
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Data based on 1994–2024 averages · Last updated: 2024-12-31