South Korea · Asia

Jeju Island month by month

The best time to visit Jeju Island, South Korea — a month-by-month breakdown of weather, crowds, prices and events.

A volcanic island off South Korea's southern coast, capped by Hallasan's crater and ringed by black lava-rock coastline. Cherry blossoms and canola fields carpet the countryside each spring, while haenyeo divers free-dive for shellfish along the shore.

1° – 30° Best months: May, October, April
Jeju Island, South Korea

The best time to visit Jeju Island

For most travellers, the sweet spot in Jeju Island is May · October · April: 20° avg. high, prices close to the yearly average. Peak season brings the biggest crowds of the year, while the quiet months trade weather for space and value.

Climate through the year

Month Temp Crowds Price Verdict
January 8° / 1° Low $ Quiet
February 9° / 2° Low $ Quiet
March 12° / 5° Moderate $$ Fair
April 17° / 10° High $$ Ideal
May 20° / 14° Moderate $$ Ideal
June 24° / 18° Moderate $$ Fair
July 28° / 23° High $$ Avoid
August 30° / 24° High $$ Great
September 26° / 20° Moderate $$ Fair
October 21° / 14° Moderate $$ Ideal
November 16° / 9° Moderate $$ Great
December 10° / 3° Low $ Quiet
Months to avoid July

The year in Jeju Island

Four broad seasons, and what each one actually feels like on the ground in Jeju Island.

Spring Ideal
Mar–May · highs around 16°C · Canola fields and cherry blossoms bloom together
Mar ·Apr ·May
Summer Great
Jun–Aug · highs around 27°C · Hot beach season carries real typhoon risk
Jun ·Jul ·Aug
Autumn Ideal
Sep–Nov · highs around 21°C · Clear skies and comfortable autumn temperatures
Sep ·Oct ·Nov
Winter Quiet
Dec–Feb · highs around 9°C · Cold and windy before winter deepens
Dec ·Jan ·Feb

When to go, depending on what you want

Best weather

The months where climate comfort peaks, whatever else is happening.

Best value

Still a good trip, at the lowest prices of the year.

Fewest crowds

When you get the main sights closest to yourself.

Biggest events

When the calendar gives you something the other months do not.

Practical basics

Region
Asia
Local currency
KRW
Hemisphere
Northern (summer in Jun–Aug)
Yearly range
1° – 30°
Strongest months
May, October, April
Good for
nature · beach · food · adventure

Events in Jeju Island

  • Mar Jeju Fire Festival — Villagers set Saebyeol Oreum's hillside grass ablaze to burn away pests and bring good luck.
  • Mar–Apr Canola and Cherry Blossom Season — Yellow canola fields and pink cherry blossoms bloom together across the island's coast roads.
  • Sep–Oct Chuseok — Korea's lunar harvest holiday empties the island as families gather for ancestral rites.

Every month in Jeju Island

A dedicated breakdown for each month — weather, crowds, prices, events and a verdict.

Frequently asked questions

What is the best month to visit Jeju Island?

For most travellers, the sweet spot in Jeju Island is May · October · April: 20° avg. high, prices close to the yearly average. Peak season brings the biggest crowds of the year, while the quiet months trade weather for space and value.

What is the cheapest time to visit Jeju Island?

January — This month counts as low season: some of the best deals of the year. Save 50%.

When should you avoid Jeju Island?

July.

What is the weather like in Jeju Island?

Average highs sit around 30°C with lows near 1°C. Rainfall is moderate; the odd shower is likely.