Seoul month by month
Plan your visit to Seoul by month. Compare weather, crowds, events, and prices across all twelve months with historical climate data.
- January
- High
- 2°C
- Low
- -7°C
- Rain
- 19 mm
January in Seoul is cold in a way that catches people off guard. The average high sits around 1.9°C (35°F), and overnight lows regularly drop to -6.8°C (20°F) or below. This is not…
- February
- High
- 5°C
- Low
- -5°C
- Rain
- 17 mm
February in Seoul is cold. Properly, bone-deep cold — the kind that finds its way through your coat seams and makes you rethink that morning walk to the palace. Daytime…
- March
- High
- 12°C
- Low
- 1°C
- Rain
- 58 mm
March in Seoul is a transitional month, and that's the most important thing to understand before you book. Winter is loosening its grip, but it hasn't fully let go. You'll likely…
- April
- High
- 18°C
- Low
- 7°C
- Rain
- 74 mm
April is cherry blossom month in Seoul, and honestly, it might be the single best time to see the city. The trees along Yeouido's Yunjung-ro explode into pale pink canopies…
- May
- High
- 22°C
- Low
- 12°C
- Rain
- 126 mm
May in Seoul is when the city finally exhales after a long, dry winter and a tentative spring. The temperatures settle into a comfortable range — highs around 22°C (72°F), lows…
- June
- High
- 27°C
- Low
- 18°C
- Rain
- 169 mm
June in Seoul means one thing above all else: the start of jangma, Korea's monsoon season. The rains typically arrive in the second or third week of June, and once they settle in,…
- July
- High
- 30°C
- Low
- 23°C
- Rain
- 305 mm
July in Seoul means one thing above all else: jangma, the East Asian monsoon. You're looking at 305mm of rainfall spread across roughly 18 days of the month, which means more days…
- August
- High
- 29°C
- Low
- 23°C
- Rain
- 289 mm
August in Seoul is wet. That's the headline. You're landing in the tail end of jangma — the East Asian monsoon — and the city is still catching 289mm of rain across roughly 18 days…
- September
- High
- 26°C
- Low
- 18°C
- Rain
- 215 mm
September in Seoul is the tail end of monsoon season, and that's the single most important thing you need to know before booking. The city still gets around 215mm of rain spread…
- October
- High
- 19°C
- Low
- 10°C
- Rain
- 104 mm
October is, to be honest, probably the single best month to be in Seoul. The summer monsoon has finally cleared out, the oppressive humidity drops from its July-August peak into…
- November
- High
- 12°C
- Low
- 2°C
- Rain
- 56 mm
November in Seoul is the last gasp of autumn before winter arrives in earnest. Early in the month, the city's mountains and palace grounds still hold onto their red and gold canopy…
- December
- High
- 3°C
- Low
- -5°C
- Rain
- 30 mm
December in Seoul is cold. Not the kind of cold where you throw on a jacket and forget about it — this is dry, biting, wind-off-the-Han-River cold, with average highs around 3°C…