When is the best time to go to South Korea?

When is the best time to go to South Korea? Here's some information to help you in your decision:

  • In South Korea, the weather is good everywhere in May, June and September
  • The best months to go to Seoul are May, June, September and October
  • On average, the warmest months in Seoul are June, July and August, and the coldest month of the year is January
  • July is the wettest month in this city
  • Busan is the city with the best climate, with good weather 8 months a year
  • August is the best month for swimming in Busan

Annual weather in South Korea

For information about the climate and the weather city by city in South Korea for a specific month, click on the corresponding line below:

January 13°F to 49°F
1 to 9 days*
February 18°F to 50°F
1 to 6 days*
March 27°F to 56°F
2 to 5 days*
April 36°F to 65°F
3 to 6 days*
May 47°F to 76°F
4 to 7 days*
June 56°F to 83°F
3 to 10 days*
July 63°F to 86°F
7 to 16 days*
August 63°F to 88°F
8 to 15 days*
September 52°F to 81°F
4 to 8 days*
October 43°F to 72°F
2 to 5 days*
November 32°F to 63°F
2 to 5 days*
December 18°F to 52°F
1 to 8 days*
* weather varies across the country

Best time to travel to South Korea by cities

Chargement en cours


The best months to go to Seoul are may, june, september and october.



The best months to go to Busan are april, may, june, july, august, september, october and november.

Jeju Island (Jejudo)

Jeju Island (Jejudo)

The best months to go to Jeju Island (Jejudo) are april, may, june, october and november.

See full list of cities

Temperatures and rainfall in South Korea

On these 3 graphs, we present the evolution of temperatures of South Korea and month-by-month rainfall for the cities of Seoul, Busan, Jeju Island (Jejudo), Andong and Anseong, as well as the month-by-month sea temperature for coastal cities.

Peak visitor numbers and tourist seasons in South Korea

Find out when South Korea has its high tourist season (the period when the influx of tourists is highest) and off-peak tourist season using our data and figures.

Tourist seasons in South Korea

The months with low numbers of tourists are: January, February and March. The number of visitors to South Korea is high in: April, May, June, July, August, September, October, November and December.

  • Very low season in South Korea: January, February and March.
  • High season in South Korea: April, May, June, September and November.
  • Peak season in South Korea: July, August, October and December.

Figure: Visitor index for South Korea month by month

Average price for flights to South Korea

A return flight between Sydney and Seoul is generally cheaper if you go in may ($ 747 on average): this is the best time for travellers on a tight budget. In contrast, you may end up paying $ 299 more for your airline ticket to Seoul if you go in december.

Find the best price for your flight

Where to go in South Korea?

This table allows you to see the maximum temperature for each city and our opinion on the weather month by month (see colour legend below the table).

Cities jan.feb.mar.apr.mayjun.jul.aug.sep.oct.nov.dec.
Jeju Island (Jejudo)47°F49°F54°F61°F68°F74°F81°F85°F77°F70°F61°F50°F
Seosan City38°F41°F49°F58°F67°F74°F79°F83°F76°F67°F56°F43°F
Namiseom (Nami Island)32°F40°F50°F63°F74°F81°F85°F85°F77°F67°F50°F34°F


perfect weather

good weather

tolerable weather

bad weather

very bad weather

About South Korea

What can I do in South Korea?

Beaches / swimming

Nature and countryside

Culture and heritage


Family travel

Crafts / shopping



Is this weather information for South Korea reliable?

Climate data for South Korea has been gathered every day since January 2009. The analysis of these meteorological data for South Korea allows us to determine the average for each month in Seoul, Busan, Jeju Island (Jejudo), Andong, Anseong, Cheongju-si, Chuncheon, Daegu, and 56 other cities.

So yes: this data is reliable except in cases of temporary climate disruption in the region.

Change units