🗓️ Best Time to Visit
When Should You Visit Jeju Island?
Top months: Mar · Apr · May · Jun · Sep · Oct · Nov. Compare 12-month weather, festivals, and pricing on one page to find your match.
Quick Answer
The best time to visit Jeju Island is Mar · Apr · May · Jun · Sep · Oct · Nov. These months balance pleasant weather, festival programming, and manageable crowds — the canonical first-visit pick.
Jeju Island by Season
★ Top Pick
🌸 Spring (Mar-May)
Avg 17°C / 10°C
- • Spring blooms
- • Pre-cherry blossom shoulder
- • Cherry blossom early April (1-week peak)
★ Top Pick
☀️ Summer (Jun-Aug)
Avg 27°C / 21°C
- • Korean monsoon (jangma) begins
- • Hallasan azalea continues early June
- • Monsoon peak
★ Top Pick
🍁 Fall (Sep-Nov)
Avg 22°C / 14°C
- • Chuseok mid-September (Korean Thanksgiving, businesses close 3-5 days)
- • Typhoon season
- • Korean honeymoon peak season
❄️ Winter (Dec-Feb)
Avg 9°C / 3°C
- • Camellia season peak
- • Hallasan snow magical
- • Camellia season continues
Month-by-Month at a Glance
| Month | Temp (°C) | Rain | What to Pack | Crowds·Pricing |
|---|---|---|---|---|
| January | 8/2 | 8d | Cool maritime winter. Warm coat + scarf + thermal layers. | Low |
| February | 9/3 | 8d | Still cool. Warm coat + sweater. | Low |
| ★ March | 12/5 | 9d | Spring start. Light coat + sweater. | Mid |
| ★ April | 17/10 | 9d | Spring perfect. Light jacket + sweater for evening. | High |
| ★ May | 21/14 | 9d | Warm. T-shirt + light layers. | High |
| ★ June | 24/18 | 11d | Hot + monsoon. T-shirt + raincoat. | Mid |
| July | 28/22 | 13d | Hot + humid + monsoon. T-shirt + raincoat + UV. | High |
| August | 29/24 | 11d | Hottest + post-monsoon. T-shirt + shorts + UV. | High |
| ★ September | 26/19 | 9d | Pleasant + typhoon risk. T-shirt + light layers. | High |
| ★ October | 22/14 | 7d | Pleasant autumn. Light jacket + sweater. | High |
| ★ November | 17/10 | 7d | Cool autumn. Light coat + sweater. | High |
| December | 11/5 | 7d | Cool maritime winter. Warm coat + scarf. | Mid |
★ = recommended season. Full month guides on the monthly weather pages.
Frequently Asked Questions
When is the best time to visit Jeju Island?
The best time to visit Jeju Island is Mar · Apr · May · Jun · Sep · Oct · Nov. These months offer the most pleasant weather and full outdoor activity calendars. Spring beginning + pre-cherry blossom shoulder. Hotels improving + weather warming. Hallasan trails opening.
What's the price difference between peak and off-season in Jeju Island?
Prices vary significantly by season. Weekday departures during shoulder season offer the best value.
Is it okay to visit Jeju Island in winter?
Jeju Island winter averages 9°C / 3°C. It's cold, but you trade weather for off-season pricing and seasonal events (Christmas markets, indoor museums, winter festivals). Bring a heavy parka, scarf, and gloves.
Should I visit Jeju Island during summer holiday season?
Jeju Island mid-summer (July-August) averages 29°C highs. This is the most expensive season — airfare and hotels peak — but outdoor festivals run at full capacity. Book 3-6 months ahead and prepare for heat.
What's the cheapest month to visit Jeju Island?
January, February is the off-season — flights and hotels are at annual lows. Trade-off: this is usually cold or rainy season, so adjust packing and indoor-activity weight accordingly.
Why you can trust this guide
Jimmy Kong
TripPick founder · Travel content creator
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.
8+ years analyzing travel data
30+ countries visited
Live exchange rate verified