Best time to visit
Best time to visit South Korea
Our pick: June and SeptemberBest valueChecked 22 October 2026
Best value: Mar, Jun, Sep. Busy and pricier: Apr–May, Oct–Nov. Quiet: Dec–Feb, Jul–Aug.
- Best value
- Busy and pricier
- Quiet
RatingBest value
Seoul has four sharp seasons: cherry blossom in early April, autumn leaves in October, a humid monsoon in July and freezing winters. Spring and autumn are the most comfortable.
Month by month in Seoul
- J-3°
- F-1°
- M4°
- A10°
- M16°
- J21°
- J24°
- A25°
- S20°
- O14°
- N6°
- D-1°
Best valueBusy and pricierQuiet
Average temperature each month (NASA POWER, 2001 to 2025), coloured by season.
Before you go
- Chuseok, the autumn harvest holiday, sends the whole country home for three days, so transport books up.
Stay and do
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Questions people ask
When is cherry blossom in Seoul?
Usually early April, a little earlier in the south around Busan and Jeju.
What is the warmest month in Seoul?
August, averaging 25°C. The coolest is January, at -3°C.
When is peak season in South Korea?
Apr–May, Oct–Nov, when prices are highest. For better value, try Mar, Jun, Sep.