Jeju Island in June
In June, Jeju Island averages 24°C (76°F) during the day and 20°C (67°F) at night, with frequent rain — about 14 days of the month see precipitation (206 mm total).
Peak seasonConditions are comfortable for sightseeing without being sweltering. Plan for unsettled weather and bring rain gear.
June offers comfortable temperatures in Jeju Island, with some rain to plan around.
How June compares to the rest of the year in Jeju Island
June is in the middle of the year for warmth in Jeju Island (4th of 12) and moderately rainy compared to the rest of the year (4th of 12). Daytime temperature runs 6°C above the annual average (18°C). June runs 3°C warmer than May (21°C) and warms a further 4°C into July (28°C).
June sunrise & sunset in Jeju Island
Times shown for Jeju Island local time (Asia/Seoul), calculated for the 15th of June. They shift by a few minutes day to day across the month.
Photography light in Jeju Island — June
Golden-hour and blue-hour windows for the 15th of June, in Jeju Island's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Jeju Island in June
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on June's tier (Peak season) and Jeju Island's popularity.
Crowds & pricing — June in Jeju Island
Jeju Island is in peak season during this month — expect bigger crowds at famous sights, higher hotel and flight prices, and longer queues. Restaurant reservations a few days out are advisable, and any boutique hotels you have your eye on should be booked weeks ahead. The trade-off: most attractions, restaurants, and seasonal services are fully open, the weather is at its most reliable, and the city feels at its most alive.
Why this tier: excellent tourism weather
Sun & mosquito risk — June in Jeju Island
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Jeju Island in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 8°C / 46°F | 3°C / 38°F | 90 mm | 11 | — |
| February | 8°C / 47°F | 4°C / 38°F | 73 mm | 10 | — |
| March | 13°C / 55°F | 7°C / 45°F | 112 mm | 10 | — |
| April | 17°C / 62°F | 11°C / 52°F | 130 mm | 10 | — |
| May | 21°C / 71°F | 16°C / 60°F | 147 mm | 10 | — |
| June | 24°C / 76°F | 20°C / 67°F | 206 mm | 14 | — |
| July | 28°C / 83°F | 24°C / 75°F | 253 mm | 18 | — |
| August | 29°C / 84°F | 25°C / 77°F | 269 mm | 18 | — |
| September | 25°C / 77°F | 22°C / 71°F | 359 mm | 17 | — |
| October | 20°C / 69°F | 16°C / 61°F | 152 mm | 10 | — |
| November | 15°C / 60°F | 11°C / 51°F | 88 mm | 11 | — |
| December | 10°C / 49°F | 5°C / 42°F | 85 mm | 14 | — |
Other cities with similar June weather
🌍 See the full ranked list of climate twins for Jeju Island in June →
Frequently asked questions
How hot is Jeju Island in June?
In June, Jeju Island averages a high of 24°C (76°F) and a low of 20°C (67°F) — generally warm.
Does it rain a lot in Jeju Island in June?
June can be fairly wet in Jeju Island, with about 14 rainy days on average.
Is June a good time to visit Jeju Island?
June is warm but on the rainy side. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Jeju Island in June?
Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full June packing list for Jeju Island for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.