World → South Korea → Busan

Weather in Busan — today

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

Now in Busan

🌤️

+26°

Mostly clear

Feels like +28° · humidity 65%

Today 12.9: +27° / +21°

🕐 16:25

Wind

16 km/h

UV index

Air (AQI)

47 · Moderate

Precipitation

Humidity

65%

Pressure

1019 hPa

Sunrise / sunset

06:04 / 18:35

Sea temperature

🌊 +26°

👕 What to wear today

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

Feels warmer by 2°

Weather for an activity:

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

Detailed weather information for Busan

Today, 12 September, Saturday, in Busan (South Korea): mostly clear, warm. During the day the air will warm up to +27°, at night around +21°. Wind up to 17 km/h. No precipitation expected, you won't need an umbrella. Light summer clothing will do — a T-shirt and shorts or light trousers. The sea has warmed up to +26° — great for swimming. The sun will rise at 06:04 and set at 18:35 — daylight lasts 13 hours.

Hourly weather in Busan

💧 No precipitation expected on this day. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).

Weather in Busan 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).

▶

Today 12.9

🌤️

💧 4%

+21° +27°

Morning

🌤️

+23°

Day

🌤️

+27°

Evening

🌇

+26°

Night

🌙

+21°

Mostly clear · precipitation 4% · wind up to 17 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tomorrow 13.9

🌤️

💧 2%

+21° +27°

Morning

🌤️

+23°

Day

🌤️

+27°

Evening

🌇

+25°

Night

🌙

+21°

Mostly clear · precipitation 2% · wind up to 9 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Mon 14.9

🌦️

💧 10%

+20° +24°

Morning

🌦️

+21°

Day

🌦️

+24°

Evening

🌇

+23°

Night

🌙

+20°

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

▶

Tue 15.9

🌧️

💧 12%

+18° +26°

Morning

🌧️

+21°

Day

🌧️

+26°

Evening

🌇

+24°

Night

🌙

+18°

Heavy rain · precipitation 12% · wind up to 16 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Wed 16.9

☁️

💧 2%

+19° +28°

Morning

☁️

+22°

Day

☁️

+28°

Evening

🌇

+26°

Night

🌙

+19°

Overcast · precipitation 2% · wind up to 21 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Thu 17.9

☁️

💧 9%

+22° +27°

Morning

☁️

+24°

Day

☁️

+27°

Evening

🌇

+26°

Night

🌙

+22°

Overcast · precipitation 9% · wind up to 24 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Fri 18.9

🌦️

💧 48%

+21° +24°

Morning

🌦️

+22°

Day

🌦️

+24°

Evening

🌇

+23°

Night

🌙

+21°

Rain showers · precipitation 48% · wind up to 22 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sat 19.9

🌦️

💧 36%

+20° +26°

Morning

🌦️

+22°

Day

🌦️

+26°

Evening

🌇

+25°

Night

🌙

+20°

Rain showers · precipitation 36% · wind up to 19 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sun 20.9

☁️

💧 6%

+21° +26°

Morning

☁️

+23°

Day

☁️

+26°

Evening

🌇

+25°

Night

🌙

+21°

Overcast · precipitation 6% · wind up to 21 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Mon 21.9

🌦️

💧 27%

+23° +28°

Morning

🌦️

+25°

Day

🌦️

+28°

Evening

🌇

+27°

Night

🌙

+23°

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

▶

Tue 22.9

⛈️

💧 39%

+23° +27°

Morning

⛈️

+24°

Day

⛈️

+27°

Evening

🌇

+26°

Night

🌙

+23°

Thunderstorm · precipitation 39% · wind up to 33 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Wed 23.9

⛈️

💧 32%

+21° +28°

Morning

⛈️

+24°

Day

⛈️

+28°

Evening

🌇

+26°

Night

🌙

+21°

Thunderstorm · precipitation 32% · wind up to 42 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Thu 24.9

⛅

💧 21%

+19° +24°

Morning

⛅

+21°

Day

⛅

+24°

Evening

🌇

+23°

Night

🌙

+19°

Partly cloudy · precipitation 21% · wind up to 20 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Fri 25.9

☁️

💧 10%

+17° +23°

Morning

☁️

+19°

Day

☁️

+23°

Evening

🌇

+22°

Night

🌙

+17°

Overcast · precipitation 10% · wind up to 17 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

🗺️ 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

87 / 100

for sea and sun · Excellent

🏊 Swimming

96 / 100

water 26° · Excellent

🏃 Running

60 / 100

comfort for running · Average

🧴 UV

27%

moderate · low

☂️ Rain

unlikely · low

✨ Stars

85 / 100

evening visibility · Excellent

🧺 Laundry drying

67 / 100

will dry outside · Good

🚗 Car wash

90 / 100

no rain expected · Excellent

🌫️ Air quality

Moderate air

European AQI

PM2.5: 12PM10: 17O₃: 107NO₂: 7

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

🌅 Sun, moon and sea

Sunrise

06:04

Sunset

18:35

Golden hour

18:02

Daylight

13 h (-2 min vs yesterday)

Sea temperature

+26°

🌊 calm, waves 0.5 m.

Busan 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.

+6°

+0°

Jan

+8°

+1°

Feb

+12°

+5°

Mar

+16°

+9°

Apr

+20°

+14°

May

+23°

+18°

Jun

+26°

+22°

Jul

+28°

+24°

Aug

+24°

+20°

Sep

+20°

+14°

Oct

+14°

+8°

Nov

+8°

+2°

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	+6°	+0°	+12°	32 mm	A cold month: +6° by day, long walks get uncomfortable. 🧣 a warmer jacket. The water is cold (+12°) — swimming is for the brave. This is the coldest month of the year.
February	+8°	+1°	+12°	43 mm	Cold: +8° by day, down to +1° at night — dress warmly. 🧥 a warm jacket. The water is cold (+12°) — swimming is for the brave.
March	+12°	+5°	+12°	80 mm	A fresh month — +12° daytime, take a jacket for walks. Frequent rain (80 mm over the month) — keep indoor backup plans. 🧥 a warm jacket. The water is cold (+12°) — swimming is for the brave.
April	+16°	+9°	+14°	112 mm	Cool weather: +16° by day, noticeably colder in the evening. One of the wettest months (112 mm): downpours can derail plans. 🙂 a sweater for the evening. The water is cold (+14°) — swimming is for the brave.
May	+20°	+14°	+17°	119 mm	One of the best times to visit: +20° by day, fresh nights. It's a rainy month (119 mm) — an umbrella is a must. 🙂 a sweater for the evening. The water is cold (+17°) — swimming is for the brave. Weather-wise, one of the three best months to visit.
June	+23°	+18°	+21°	165 mm	Ideal weather: +23° daytime — neither hot nor cold. Frequent rain (165 mm over the month) — keep indoor backup plans. 🙂 a sweater for the evening. Sea at +21° — swimmable, refreshing. The longest daylight hours of the year — more time for everything.
July	+26°	+22°	+23°	251 mm	The most pleasant season: +26° by day, comfortable all day long. One of the wettest months (251 mm): downpours can derail plans. 😊 light summer clothing. Water at +23° — great for swimming. Statistically the wettest month of the year.
August	+28°	+24°	+28°	216 mm	Warm and comfortable: +28° by day, +24° at night. It's a rainy month (216 mm) — an umbrella is a must. 😊 light summer clothing. Water at +28° — great for swimming. This is the hottest month of the year in Busan.
September	+24°	+20°	+27°	165 mm	Ideal weather: +24° daytime — neither hot nor cold. Frequent rain (165 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +27° — great for swimming.
October	+20°	+14°	+23°	69 mm	The most pleasant season: +20° by day, comfortable all day long. One of the wettest months (69 mm): downpours can derail plans. 🙂 a sweater for the evening. Water at +23° — great for swimming. Weather-wise, one of the three best months to visit.
November	+14°	+8°	+18°	50 mm	Cool: around +14° by day, you'll need a warm layer. 🧥 a warm jacket. Sea at +18° — swimmable, refreshing. Weather-wise, one of the three best months to visit.
December	+8°	+2°	+15°	29 mm	Winter weather: about +8° daytime, you need a warm coat and hat. 🧥 a warm jacket. The water is cold (+15°) — swimming is for the brave. The shortest daylight of the year — it gets dark early.

When to visit Busan

✅ Recommended time to visit

🌟 Best time: May, October, November

Daytime air+14…+20°

Sea temperature+17…+23°

Precipitationoften

Why: comfortable +14…+20° by day, little rain.

⚠️ Doable, with caveats

🌤️ Shoulder season: January, February, April, June, August, September

Daytime air+6…+28°

Sea temperature+12…+28°

Precipitationoften

Why: noticeable rain risk (32–216 mm/month) — pack an umbrella and backup plans.

🔴 Not the best time

❄️ Cold season: March, July, December

Daytime air+8…+26°

Sea temperature+12…+23°

Precipitationoften

Why: cold and dark (+8…+26° by day, 10 h of daylight) — only if frost and short days don’t put you off.

Bottom line: the best time to visit Busan is May, October, November, and the most comfortable months are May, October, November. The toughest months to visit are March, July, December: frequent rain.