World → South Korea → Jeju City

Weather in Jeju City — today

Tomorrow Day after tomorrow 3 days Week 14 days Month forecast Weather archive

Now in Jeju City

🌙

+22°

Mostly clear

Feels like +22° · humidity 78%

Mon 15.6: +26° / +21°

🕐 04:25

Wind

20 km/h

UV index

Air (AQI)

60 · Moderate

Precipitation

88%

Humidity

78%

Pressure

1011 hPa

Sunrise / sunset

05:23 / 19:45

Sea temperature

🌊 +23°

👕 What to wear today

Warm — a T-shirt and light trousers or shorts.

☂️ Take an umbrella

Weather for an activity:

🎣 fishing 🏖️ the beach 🏃 a run 📸 a photo shoot 🚶 a walk

Detailed weather information for Jeju City

Monday, 15 June, in Jeju City (South Korea): cloudy, light rain in places, warm. During the day the air will warm up to +26°, at night around +21°. Wind up to 21 km/h. High chance of rain — be sure to take an umbrella or a raincoat. Light summer clothing will do — a T-shirt and shorts or light trousers. The sea has warmed up to +23° — great for swimming. The sun will rise at 05:23 and set at 19:45 — daylight lasts 14 hours.

Hourly weather in Jeju City

💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).

Weather in Jeju City for 14 days

Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).

▶

Mon 15.6

🌦️

💧 88%

+21° +26°

Morning

🌦️

+23°

Day

🌦️

+26°

Evening

🌇

+25°

Night

🌙

+21°

Drizzle · precipitation 88% · wind up to 21 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Today 16.6

🌦️

💧 45%

+22° +26°

Morning

⛅

+23°

Day

🌦️

+26°

Evening

🌇

+22°

Night

🌙

+22°

Drizzle · precipitation 45% · wind up to 23 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tomorrow 17.6

⛅

💧 56%

+23° +28°

Morning

🌤️

+25°

Day

⛅

+28°

Evening

🌇

+25°

Night

🌙

+23°

Partly cloudy · precipitation 56% · wind up to 23 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Thu 18.6

☁️

💧 57%

+22° +25°

Morning

☁️

+23°

Day

☁️

+25°

Evening

🌇

+24°

Night

🌙

+22°

Overcast · precipitation 57% · wind up to 13 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Fri 19.6

⛈️

💧 76%

+22° +26°

Morning

⛈️

+23°

Day

⛈️

+26°

Evening

🌇

+25°

Night

🌙

+22°

Thunderstorm · precipitation 76% · wind up to 10 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sat 20.6

⛈️

💧 80%

+24° +26°

Morning

⛈️

+25°

Day

⛈️

+26°

Evening

🌇

+26°

Night

🌙

+24°

Thunderstorm · precipitation 80% · wind up to 16 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sun 21.6

☁️

💧 27%

+23° +28°

Morning

☁️

+25°

Day

☁️

+28°

Evening

🌇

+27°

Night

🌙

+23°

Overcast · precipitation 27% · wind up to 18 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Mon 22.6

☁️

💧 35%

+21° +26°

Morning

☁️

+23°

Day

☁️

+26°

Evening

🌇

+25°

Night

🌙

+21°

Overcast · precipitation 35% · wind up to 18 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tue 23.6

🌦️

💧 38%

+22° +23°

Morning

🌦️

+22°

Day

🌦️

+23°

Evening

🌇

+23°

Night

🌙

+22°

Drizzle · precipitation 38% · wind up to 29 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Wed 24.6

🌦️

💧 19%

+21° +24°

Morning

🌦️

+22°

Day

🌦️

+24°

Evening

🌇

+23°

Night

🌙

+21°

Drizzle · precipitation 19% · wind up to 32 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Thu 25.6

🌦️

💧 31%

+21° +25°

Morning

🌦️

+22°

Day

🌦️

+25°

Evening

🌇

+24°

Night

🌙

+21°

Drizzle · precipitation 31% · wind up to 28 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Fri 26.6

🌦️

💧 37%

+22° +23°

Morning

🌦️

+22°

Day

🌦️

+23°

Evening

🌇

+23°

Night

🌙

+22°

Drizzle · precipitation 37% · wind up to 23 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Sat 27.6

⛈️

💧 45%

+22° +26°

Morning

⛈️

+23°

Day

⛈️

+26°

Evening

🌇

+25°

Night

🌙

+22°

Thunderstorm with hail · precipitation 45% · wind up to 26 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sun 28.6

🌦️

💧 59%

+22° +25°

Morning

🌦️

+23°

Day

🌦️

+25°

Evening

🌇

+24°

Night

🌙

+22°

Drizzle · precipitation 59% · wind up to 34 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

🗺️ Precipitation radar

Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.

Rain intensity:lightmoderateheavy

🎯 What to do in this weather — indices of the day

Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.

🏖️ Beach

15 / 100

for sea and sun · Bad

🏊 Swimming

0 / 100

water 23° · Bad

🏃 Running

0 / 100

comfort for running · Bad

🧴 UV

moderate · low

☂️ Rain

88%

likely · high

✨ Stars

26 / 100

evening visibility · So-so

🧺 Laundry drying

0 / 100

will dry outside · Bad

🚗 Car wash

0 / 100

better to wait · Bad

🌫️ Air quality

Moderate air

European AQI

PM2.5: 10PM10: 13O₃: 132NO₂: 5

Moderate. Those sensitive to dust should be more careful during long outdoor exercise.

🌅 Sun, moon and sea

Sunrise

05:23

Sunset

19:45

Golden hour

19:08

Daylight

14 h (+0 min vs yesterday)

Sea temperature

+23°

🌊 calm, waves 0.4 m.

Jeju City climate by month

Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.

+8°

+4°

Jan

+9°

+5°

Feb

+12°

+7°

Mar

+16°

+11°

Apr

+20°

+15°

May

+24°

+20°

Jun

+28°

+24°

Jul

+29°

+26°

Aug

+25°

+22°

Sep

+21°

+17°

Oct

+16°

+12°

Nov

+10°

+6°

Dec

swipe sideways →

Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit

Month	Day	Night	Sea	Precipitation	What to pack and what makes the month notable (events, nuances)
January	+8°	+4°	+16°	77 mm	A cold month: +8° by day, long walks get uncomfortable. One of the wettest months (77 mm): downpours can derail plans. 🧣 a warmer jacket. The water is cold (+16°) — swimming is for the brave. This is the coldest month of the year.
February	+9°	+5°	+15°	66 mm	Cold: +9° by day, down to +5° at night — dress warmly. It's a rainy month (66 mm) — an umbrella is a must. 🧥 a warm jacket. The water is cold (+15°) — swimming is for the brave.
March	+12°	+7°	+14°	97 mm	A fresh month — +12° daytime, take a jacket for walks. Frequent rain (97 mm over the month) — keep indoor backup plans. 🧥 a warm jacket. The water is cold (+14°) — swimming is for the brave.
April	+16°	+11°	+15°	107 mm	Cool weather: +16° by day, noticeably colder in the evening. One of the wettest months (107 mm): downpours can derail plans. 🙂 a sweater for the evening. The water is cold (+15°) — swimming is for the brave.
May	+20°	+15°	+18°	112 mm	One of the best times to visit: +20° by day, fresh nights. It's a rainy month (112 mm) — an umbrella is a must. 🙂 a sweater for the evening. Sea at +18° — swimmable, refreshing. Weather-wise, one of the three best months to visit.
June	+24°	+20°	+22°	196 mm	Ideal weather: +24° daytime — neither hot nor cold. Frequent rain (196 mm over the month) — keep indoor backup plans. 🙂 a sweater for the evening. Water at +22° — great for swimming. Statistically the wettest month of the year.
July	+28°	+24°	+27°	195 mm	A comfortable month: +28° by day without exhausting heat. One of the wettest months (195 mm): downpours can derail plans. 😊 light summer clothing. Water at +27° — great for swimming.
August	+29°	+26°	+30°	185 mm	Warm and comfortable: +29° by day, +26° at night. It's a rainy month (185 mm) — an umbrella is a must. 😊 light summer clothing. The sea is +30° — like a warm bath. This is the hottest month of the year in Jeju City.
September	+25°	+22°	+29°	185 mm	Ideal weather: +25° daytime — neither hot nor cold. Frequent rain (185 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +29° — great for swimming.
October	+21°	+17°	+25°	92 mm	The most pleasant season: +21° by day, comfortable all day long. One of the wettest months (92 mm): downpours can derail plans. 🙂 a sweater for the evening. Water at +25° — great for swimming. Weather-wise, one of the three best months to visit.
November	+16°	+12°	+21°	72 mm	Cool: around +16° by day, you'll need a warm layer. It's a rainy month (72 mm) — an umbrella is a must. 🧥 a warm jacket. Sea at +21° — swimmable, refreshing. Weather-wise, one of the three best months to visit.
December	+10°	+6°	+18°	72 mm	A fresh month — +10° daytime, take a jacket for walks. Frequent rain (72 mm over the month) — keep indoor backup plans. 🧥 a warm jacket. Sea at +18° — swimmable, refreshing. The shortest daylight of the year — it gets dark early.

When to visit Jeju City

✅ Recommended time to visit

🌟 Best time: May, October, November

Daytime air+16…+21°

Sea temperature+18…+25°

Precipitationoften

Why: comfortable +16…+21° by day, little rain.

⚠️ Doable, with caveats

🌤️ Shoulder season: April, June, July, August, September, December

Daytime air+10…+29°

Sea temperature+15…+30°

Precipitationoften

Why: noticeable rain risk (72–196 mm/month) — pack an umbrella and backup plans.

🔴 Not the best time

❄️ Cold season: January, February, March

Daytime air+8…+12°

Sea temperature+14…+16°

Precipitationoften

Why: cold and dark (+8…+12° by day, 10 h of daylight) — only if frost and short days don’t put you off.

Bottom line: the best time to visit Jeju City is May, October, November, and the most comfortable months are May, October, November. The toughest months to visit are January, February, March: frequent rain.