When to go
The Best Time to Visit Seoul
Month-by-month climate data for Seoul, South Korea — daily highs and lows, rain days, and an honest verdict for every month of the year.
April–June, September–November. Spring cherry blossoms, autumn ginkgo leaves. Winter is cold but dry with clear skies; summer humid.
Warmest in Seoul: Jul (29°C / 84°F) · Coolest: Jan (2°C / 36°F) · Wettest: Jul (~20 rain days)
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)
Seoul climate, month by month
January
2° / -7°C
~4 rain days
Tough
February
6° / -4°C
~5 rain days
Fair
March
12° / 0°C
~7 rain days
Good
April
18° / 7°C
~6 rain days
Excellent
May
22° / 12°C
~9 rain days
Excellent
June
27° / 18°C
~12 rain days
Excellent
July
29° / 22°C
~20 rain days
Good
August
29° / 23°C
~19 rain days
Good
September
26° / 18°C
~11 rain days
Excellent
October
18° / 9°C
~7 rain days
Excellent
November
12° / 2°C
~7 rain days
Good
December
3° / -6°C
~3 rain days
Fair
Plan around it
Dates locked in? Start from the Seoul travel guide or jump straight to a 3-day, 5-day or 7-day itinerary.