Weather in Seoul 🇰🇷
Monthly weather averages & travel planning
Avg Temp
17°C
Rain Days
7 days
Sun Hours
10 hrs
Humidity
65%
Seoul Weather Guide
Complete monthly climate data for Seoul, 🇰🇷 South Korea
January
1°/-7°C
4 rain days, 8h sun
February
4°/-5°C
4 rain days, 9h sun
March
10°/0°C
6 rain days, 9h sun
April
17°/6°C
7 rain days, 10h sun
May
22°/12°C
8 rain days, 10h sun
June
26°/17°C
9 rain days, 10h sun
July
28°/22°C
17 rain days, 8h sun
August
29°/22°C
16 rain days, 9h sun
September
25°/16°C
8 rain days, 9h sun
October
19°/9°C
5 rain days, 9h sun
November
11°/2°C
7 rain days, 7h sun
December
3°/-5°C
5 rain days, 8h sun
Year-Round Climate
| Month | High | Low | Rain Days | Sun | Details |
|---|---|---|---|---|---|
| January | 1°C | -7°C | 4 | 8h | View |
| February | 4°C | -5°C | 4 | 9h | View |
| March | 10°C | 0°C | 6 | 9h | View |
| April | 17°C | 6°C | 7 | 10h | View |
| May | 22°C | 12°C | 8 | 10h | View |
| June | 26°C | 17°C | 9 | 10h | View |
| July | 28°C | 22°C | 17 | 8h | View |
| August | 29°C | 22°C | 16 | 9h | View |
| September | 25°C | 16°C | 8 | 9h | View |
| October | 19°C | 9°C | 5 | 9h | View |
| November | 11°C | 2°C | 7 | 7h | View |
| December | 3°C | -5°C | 5 | 8h | View |
January
4 rain days, 8h sun
1°-7°
February
4 rain days, 9h sun
4°-5°
March
6 rain days, 9h sun
10°0°
April
7 rain days, 10h sun
17°6°
May
8 rain days, 10h sun
22°12°
June
9 rain days, 10h sun
26°17°
July
17 rain days, 8h sun
28°22°
August
16 rain days, 9h sun
29°22°
September
8 rain days, 9h sun
25°16°
October
5 rain days, 9h sun
19°9°
November
7 rain days, 7h sun
11°2°
December
5 rain days, 8h sun
3°-5°
Rainfall (mm)
0-20 mm21-50 mm51-100 mm100+ mm
Travel Planning
Data Sources for Seoul
Climate normals represent 30-year averages (1991-2020). Individual years may vary.