When is the cheapest time to visit South Korea?

Prices bottom out in Jan, Feb, Dec — typically 20-40% below peak-season rates on hotels and flights.

Best time to visit · East Asia

When to go to South Korea

Autumn (September–November) is spectacular with fiery foliage. Spring cherry blossoms rival Japan’s. Summer is hot and monsoon-prone; winter is bitter but festive.

Best: March–May, September–NovemberPeak: April (cherry blossom), October (foliage)

Month-by-month

Jan

Okay

-6°–1°C · 20mm rain
Crowds low · Prices low

Cold but great for ski resorts

Feb

Okay

-4°–4°C · 25mm rain
Crowds low · Prices low

Lunar New Year

Mar

Good

1°–10°C · 45mm rain
Crowds medium · Prices medium

Apr

Great

7°–18°C · 65mm rain
Crowds high · Prices high

Cherry blossom season

May

Great

13°–23°C · 85mm rain
Crowds medium · Prices medium

Jun

Okay

18°–27°C · 135mm rain
Crowds medium · Prices medium

Monsoon season begins

Jul

Avoid

22°–29°C · 370mm rain
Crowds medium · Prices medium

Heaviest monsoon rains

Aug

Okay

22°–30°C · 275mm rain
Crowds medium · Prices medium

Hot and humid

Sep

Great

17°–26°C · 130mm rain
Crowds medium · Prices medium

Chuseok (harvest festival)

Oct

Great

10°–20°C · 45mm rain
Crowds high · Prices high

Peak autumn foliage

Nov

Good

3°–12°C · 45mm rain
Crowds medium · Prices medium

Dec

Okay

-4°–4°C · 20mm rain
Crowds low · Prices low

Ski season; Christmas lights

Festivals worth timing your trip around

Apr

Cherry Blossom Festival

Jinhae’s festival draws millions to see 360,000 cherry trees in bloom.

Sep–Oct

Chuseok

Korean harvest thanksgiving with ancestral rites and family reunions.

Jul

Boryeong Mud Festival

Unique festival on the west coast with mud baths, slides, and wrestling.

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Common questions about South Korea

When is the best time to visit South Korea?: March–May, September–November. Autumn (September–November) is spectacular with fiery foliage. Spring cherry blossoms rival Japan’s. Summer is hot and monsoon-prone; winter is bitter but festive.
When is the cheapest time to visit South Korea?: Prices bottom out in Jan, Feb, Dec — typically 20-40% below peak-season rates on hotels and flights.
What months should I avoid in South Korea?: Jul. Heaviest monsoon rains
When is peak tourist season in South Korea?: April (cherry blossom), October (foliage)

See also the full South Korea climate deep-dive with temperature heatmap and daily-rainfall breakdown.