World → South Korea → Ulsan

Weather in Ulsan — today

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

Now in Ulsan

🌙

+14°

Clear

Feels like +11° · humidity 56%

Today 27.10: +18° / +8°

🕐 18:25

Wind

8 km/h

UV index

Air (AQI)

45 · Moderate

Precipitation

Humidity

56%

Pressure

1019 hPa

Sunrise / sunset

06:39 / 17:33

Sea temperature

🌊 +21°

👕 What to wear today

Comfortable — a T-shirt, a light sweater for the evening.

💨 WindyFeels colder by 3°

Weather for an activity:

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

Detailed weather information for Ulsan

Today, 27 October, Tuesday, in Ulsan (South Korea): clear and sunny, moderately warm. During the day the air will warm up to +18°, at night around +8°. Due to the wind it feels like +11°. Wind up to 24 km/h. No precipitation expected, you won't need an umbrella. A T-shirt is comfortable during the day, but take a light sweater or windbreaker for the evening. Water temperature is +21° — you can swim. The sun will rise at 06:39 and set at 17:33 — daylight lasts 11 hours.

Hourly weather in Ulsan

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

Weather in Ulsan 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 27.10

☀️

+8° +18°

Morning

☀️

+12°

Day

☀️

+18°

Evening

🌇

+16°

Night

🌙

+8°

Clear · precipitation 0% · wind up to 24 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Tomorrow 28.10

☀️

+4° +15°

Morning

☀️

+6°

Day

☀️

+15°

Evening

🌇

+9°

Night

🌙

+4°

Clear · precipitation 0% · wind up to 17 km/h.
🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.

▶

Thu 29.10

☁️

💧 10%

+5° +15°

Morning

☁️

+9°

Day

☁️

+15°

Evening

🌇

+13°

Night

🌙

+5°

Overcast · precipitation 10% · wind up to 8 km/h.
🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.

▶

Fri 30.10

🌦️

💧 33%

+9° +22°

Morning

🌦️

+14°

Day

🌦️

+22°

Evening

🌇

+19°

Night

🌙

+9°

Drizzle · precipitation 33% · wind up to 12 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Sat 31.10

☁️

+4° +17°

Morning

☁️

+9°

Day

☁️

+17°

Evening

🌇

+14°

Night

🌙

+4°

Overcast · precipitation 0% · wind up to 17 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Sun 1.11

🌦️

💧 84%

+3° +13°

Morning

🌦️

+7°

Day

🌦️

+13°

Evening

🌇

+11°

Night

🌙

+3°

Drizzle · precipitation 84% · wind up to 7 km/h.
🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.

▶

Mon 2.11

🌦️

💧 76%

+8° +20°

Morning

🌦️

+12°

Day

🌦️

+20°

Evening

🌇

+17°

Night

🌙

+8°

Rain showers · precipitation 76% · wind up to 14 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Tue 3.11

☁️

+3° +16°

Morning

☁️

+8°

Day

☁️

+16°

Evening

🌇

+13°

Night

🌙

+3°

Overcast · precipitation 0% · wind up to 10 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Wed 4.11

☁️

+3° +14°

Morning

☁️

+7°

Day

☁️

+14°

Evening

🌇

+11°

Night

🌙

+3°

Overcast · precipitation 0% · wind up to 9 km/h.
🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.

▶

Thu 5.11

🌤️

💧 2%

+3° +16°

Morning

🌤️

+8°

Day

🌤️

+16°

Evening

🌇

+13°

Night

🌙

+3°

Mostly clear · precipitation 2% · wind up to 10 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Fri 6.11

🌫️

💧 7%

+6° +19°

Morning

🌫️

+11°

Day

🌫️

+19°

Evening

🌇

+16°

Night

🌙

+6°

Fog · precipitation 7% · wind up to 9 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Sat 7.11

🌫️

💧 13%

+8° +21°

Morning

🌫️

+13°

Day

🌫️

+21°

Evening

🌇

+18°

Night

🌙

+8°

Fog · precipitation 13% · wind up to 9 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Sun 8.11

🌦️

💧 12%

+12° +21°

Morning

🌦️

+15°

Day

🌦️

+21°

Evening

🌇

+19°

Night

🌙

+12°

Drizzle · precipitation 12% · wind up to 13 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Mon 9.11

🌦️

💧 8%

+5° +13°

Morning

🌦️

+8°

Day

🌦️

+13°

Evening

🌇

+11°

Night

🌙

+5°

Drizzle · precipitation 8% · wind up to 17 km/h.
🧥 Cool. You'll need a warm jacket; it can get chilly 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

5 / 100

for sea and sun · Bad

🏊 Swimming

70 / 100

water 21° · Good

🏃 Running

90 / 100

comfort for running · Excellent

🧴 UV

moderate · low

☂️ Rain

unlikely · low

✨ Stars

88 / 100

evening visibility · Excellent

🧺 Laundry drying

56 / 100

will dry outside · Average

🚗 Car wash

95 / 100

no rain expected · Excellent

🌫️ Air quality

Moderate air

European AQI

PM2.5: 8PM10: 10O₃: 41NO₂: 35

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

🌅 Sun, moon and sea

Sunrise

06:39

Sunset

17:33

Golden hour

16:57

Daylight

11 h (-2 min vs yesterday)

Sea temperature

+21°

🌊 slight, waves 0.7 m.

Ulsan 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°

-1°

Jan

+8°

+0°

Feb

+12°

+3°

Mar

+17°

+8°

Apr

+22°

+13°

May

+25°

+17°

Jun

+27°

+22°

Jul

+28°

+23°

Aug

+25°

+19°

Sep

+20°

+13°

Oct

+14°

+6°

Nov

+8°

+0°

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°	-1°	+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°	+0°	+12°	39 mm	Cold: +8° by day, down to +0° at night — dress warmly. 🧥 a warm jacket. The water is cold (+12°) — swimming is for the brave.
March	+12°	+3°	+13°	71 mm	A fresh month — +12° daytime, take a jacket for walks. Frequent rain (71 mm over the month) — keep indoor backup plans. 🧥 a warm jacket. The water is cold (+13°) — swimming is for the brave.
April	+17°	+8°	+14°	91 mm	Cool weather: +17° by day, noticeably colder in the evening. One of the wettest months (91 mm): downpours can derail plans. 🙂 a sweater for the evening. The water is cold (+14°) — swimming is for the brave.
May	+22°	+13°	+16°	101 mm	One of the best times to visit: +22° by day, fresh nights. It's a rainy month (101 mm) — an umbrella is a must. 🙂 a sweater for the evening. The water is cold (+16°) — swimming is for the brave. Weather-wise, one of the three best months to visit.
June	+25°	+17°	+19°	148 mm	Ideal weather: +25° daytime — neither hot nor cold. Frequent rain (148 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Sea at +19° — swimmable, refreshing. The longest daylight hours of the year — more time for everything.
July	+27°	+22°	+20°	225 mm	A comfortable month: +27° by day without exhausting heat. One of the wettest months (225 mm): downpours can derail plans. 😊 light summer clothing. Sea at +20° — swimmable, refreshing. Statistically the wettest month of the year.
August	+28°	+23°	+26°	214 mm	Warm and comfortable: +28° by day, +23° at night. It's a rainy month (214 mm) — an umbrella is a must. 😊 light summer clothing. Water at +26° — great for swimming. This is the hottest month of the year in Ulsan.
September	+25°	+19°	+26°	175 mm	Ideal weather: +25° daytime — neither hot nor cold. Frequent rain (175 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +26° — great for swimming.
October	+20°	+13°	+22°	74 mm	The most pleasant season: +20° by day, comfortable all day long. One of the wettest months (74 mm): downpours can derail plans. 🙂 a sweater for the evening. Water at +22° — great for swimming. Weather-wise, one of the three best months to visit.
November	+14°	+6°	+18°	48 mm	Cool: around +14° by day, you'll need a warm layer. 🧥 a warm jacket. Sea at +18° — swimmable, refreshing.
December	+8°	+0°	+14°	28 mm	Winter weather: about +8° daytime, you need a warm coat and hat. 🧥 a warm jacket. The water is cold (+14°) — swimming is for the brave. The shortest daylight of the year — it gets dark early.

When to visit Ulsan

✅ Recommended time to visit

🌟 Best time: May, June, October

Daytime air+20…+25°

Sea temperature+16…+22°

Precipitationoften

Why: comfortable +20…+25° by day, little rain.

⚠️ Doable, with caveats

🌤️ Shoulder season: January, April, July, August, September, November

Daytime air+6…+28°

Sea temperature+12…+26°

Precipitationoften

Why: noticeable rain risk (32–225 mm/month) — pack an umbrella and backup plans.

🔴 Not the best time

❄️ Cold season: February, March, December

Daytime air+8…+12°

Sea temperature+12…+14°

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 Ulsan is May, June, October, and the most comfortable months are May, June, October. The toughest months to visit are February, March, December: cool and damp.