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

Where and when to go based on the weather?

Map of the best times to visit South Korea
Map of the best times to visit South Korea ©whereandwhen.net

Central of South Korea
Cheongju-si, Koesan...

May, June, September and October
67°F to 83°F°C
3 to 8 days
April, July and August
63°F to 86°F°C
4 to 14 days
January, February, March, November and December
34°F to 56°F°C
2 to 4 days

East of South Korea
Daegu, Pohang, Andong...

May, June, July, August, September and October
67°F to 88°F°C
2 to 10 days
61°F to 77°F
58°F to 65°F°C
4 to 5 days
56°F to 58°F
January, February, March, November and December
34°F to 61°F°C
1 to 9 days
50°F to 67°F

North West of South Korea
Seoul, Incheon, Anseong...

May, June, September and October
67°F to 83°F°C
2 to 9 days
58°F to 72°F
April, July and August
61°F to 88°F°C
3 to 15 days
49°F to 76°F
January, February, March, November and December
31°F to 56°F°C
1 to 4 days
40°F to 58°F

Northeast of South Korea
Sokcho, Gangneung, Chuncheon...

May, June and September
67°F to 81°F°C
5 to 9 days
59°F to 72°F
April, July, August and October
58°F to 85°F°C
3 to 15 days
54°F to 77°F
January, February, March, November and December
31°F to 52°F°C
1 to 5 days
47°F to 61°F

South of South Korea
Busan, Jeju Island (Jejudo), Gwangju...

68°F to 72°F°C
2 to 4 days
67°F to 76°F
April, May, June and September
59°F to 81°F°C
4 to 8 days
52°F to 79°F
July, August and November
58°F to 88°F°C
2 to 11 days
59°F to 81°F
January, February, March and December
41°F to 56°F°C
1 to 5 days
47°F to 65°F

West of South Korea
Daejeon, Jeonju, Seosan City...

May, June, September and October
67°F to 83°F°C
3 to 10 days
58°F to 74°F
April, July and August
58°F to 86°F°C
4 to 16 days
50°F to 79°F
January, February, March, November and December
36°F to 58°F°C
1 to 5 days
43°F to 59°F

Best time to travel to South Korea by cities

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

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 ($ 658 on average): this is the best time for travellers on a tight budget. In contrast, you may end up paying $ 349 more for your airline ticket to Seoul if you go in december.

Find the best price for your flight Flight prices to South Korea

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
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, Chuncheon, Daegu, and 56 other cities.

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

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