Best time to visit Seoul

Go inApril–May and October

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Spring and autumn; July–August are humid and rainy.

Seoul month by month

Month	Rating	Avg high	Rain	Crowds	Flights	What’s on
January	Poor	2°C	Mostly dry	Quiet	Cheapest	–
February	Poor	5°C	Mostly dry	Quiet	Cheapest	–
March	Mixed	11°C	Mostly dry	Moderate	Average	–
April	Great	18°C	Some rain	Peak crowds	Priciest	Cherry blossoms
May	Good	23°C	Some rain	Peak crowds	Priciest	–
June	Good	27°C	Wet	Moderate	Average	–
July	Mixed	29°C	Very wet	Quiet	Cheapest	–
August	Mixed	30°C	Very wet	Moderate	Average	–
September	Good	26°C	Wet	Peak crowds	Priciest	Chuseok
October	Great	20°C	Some rain	Peak crowds	Priciest	Autumn leaves
November	Good	12°C	Mostly dry	Moderate	Average	Autumn leaves
December	Poor	4°C	Mostly dry	Quiet	Cheapest	–

Flights to Seoul are usually cheapest in July and December–February. The catch: July is rainy.
Crowds and prices peak in April–May and September–October, so book early.
The heaviest rain falls in July–August.

The Cheonggyecheon stream was uncovered from beneath a motorway in 2005.

When is the best time to visit Seoul?

The best time to visit Seoul is April–May and October. Spring and autumn; July–August are humid and rainy.

What is the cheapest time to fly to Seoul?

Flights are usually cheapest in July and December–February, when demand is lowest.

When is Seoul busiest?

Seoul is busiest in April–May and September–October.

What is the weather like in Seoul?

August is the warmest month, with average highs of 30°C, and January the coolest at 2°C. The wettest period is June–September.