Daejeon Weather Year-Round — Best Time to Visit
Daejeon, South Korea has mild weather year-round. The best time to visit is May (score: 85/100). Annual average high: 17.9°C, total rainfall: 1073mm.
When is the best time to visit Daejeon?
85
May is the best month to visit Daejeon with a travel score of 85/100 (Excellent).
Expect highs of 23.8°C, 8 rain days, and 9.8 hours of daily sunshine.
View May weather details →Travel Score by Month
60
Jan
65
Feb
69
Mar
79
Apr
85
May
84
Jun
70
Jul
72
Aug
81
Sep
80
Oct
68
Nov
61
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Daejeon each month?
17.9°C
Avg High
8.7°C
Avg Low
1073mm
Annual Rain
How much rain does Daejeon get?
Daejeon receives 1073mm of rain annually. The wettest month is typically July with 235mm, while December is the driest.
What is the weather like each month in Daejeon?
January
60
4°C
Low: -4°C
4 rain days
Good
February
65
6°C
Low: -3°C
4 rain days
Good
March
69
12°C
Low: 1°C
7 rain days
Good
April
79
19°C
Low: 7°C
7 rain days
Good
May
Best time to visit85
24°C
Low: 13°C
8 rain days
Excellent
June
84
28°C
Low: 18°C
9 rain days
Excellent
July
70
29°C
Low: 22°C
16 rain days
Good
August
72
30°C
Low: 23°C
15 rain days
Good
September
81
26°C
Low: 17°C
8 rain days
Excellent
October
80
20°C
Low: 10°C
5 rain days
Excellent
November
68
13°C
Low: 4°C
6 rain days
Good
December
61
5°C
Low: -3°C
4 rain days
Good
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Data based on 1994–2024 averages · Last updated: 2024-12-31