Ulsan weather in February

In February, Ulsan sees average daytime highs of 9°C and overnight lows near 0°C, with 39 mm of precipitation across 5 wet days and about 10.7 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 7°C in the first days to 10°C by the end. The sky is clear or mostly clear about 46% of the time in February, and the air most often feels dry.

Daylight stretches from about 10 h 12 min at the start of February to 11 h 06 min by month's end. Set against the rest of the year, February is Ulsan's 4th-clearest and 3rd-windiest month. For the whole year in context, see Ulsan's year-round climate.

Daytime high
11th warmest
Overnight low
2nd coldest
Precipitation
39 mm
5 wet days
Daylight
10 h 42 min
7:17 AM – 5:57 PM
Cloud cover
47%
4th clearest
Wind
13 km/h
3rd windiest
Solar energy
3.7 kWh/m²
Travel score
2.0
out of 10
Air quality
Elevated
PM2.5 17 µg/m³ · 2020

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in February

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 7°C in the first days to 10°C by the end.

A typical February day in Ulsan reaches about 9°C in the afternoon and slips back to 0°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 4°C and 14°C. Set against its neighbours, February runs about 2°C warmer than January and about 4°C cooler than March.

-10°10°20°151015202528
Avg high (°C)Avg low (°C)
17-1
27-1
38-1
48-1
58-1
68-1
78-1
88-1
98-1
108-1
1180
1290
1390
1490
1590
1690
1790
1890
1991
20101
21101
22101
23101
24101
25101
26101
27112
28112

How February really feels in Ulsan

Once humidity and wind are folded in, February averages 0 days that feel above 32°C and 28 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
28
wind chill below the day's low

The story in February is cold — wind chill drags the overnight "feels like" below the raw low.

Ulsan weather by month

How February compares with the rest of the year at a glance. February is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°314.40.79.91.0
Feb / 3950.910.72.0
Mar13° / 717.40.511.74.0
Apr18° / 927.6012.96.3
May23° / 13°1007.8013.87.1
Jun25° / 18°1439.1014.46.7
Jul28° / 23°21613.3014.25.3
Aug29° / 23°21314.2013.34.9
Sep25° / 19°17310.4012.26.6
Oct21° / 13°735.1011.17.4
Nov15° / 484.90.110.15.4
Dec / 273.60.39.62.2

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in February.

Beyond those clear spells, partly cloudy skies cover about 13% of February, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202528
Clearer (%)Cloudier (%)
16832
26733
36733
46733
56634
66535
76535
86436
96337
106238
116238
126139
136040
146040
155941
165842
175842
185743
195743
205644
215545
225545
235446
245347
255347
265248
275248
285248

Chance of precipitation in February

Any precipitationSnow

Ulsan gets around 39 mm of rain and snow over 5 wet days in February. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 18% and peaks near 25% on the wettest days, and about 1 day brings snow. The odds climb toward the end of the month.

0%10%20%30%40%151015202528
Rain chance (%)Snow chance (%)
1133
2133
3134
4134
5144
6144
7144
8144
9154
10154
11154
12164
13164
14174
15174
16183
17183
18193
19203
20203
21212
22222
23222
24232
25242
26242
27242
28252

Humidity in February

DryComfortableHumidMuggyOppressiveMiserable

Most of February feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, February lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202528
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100

Wind in February

Winds average 13 km/h in February.

Across February, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202528
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze

Sunrise & sunset in February

DaylightNight

Daylight runs from about 10 h 12 min at the start of February to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over February. Sunrise moves from 7:29 AM to 7:03 AM, and sunset from 5:43 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202528
Daylight (h)Sunrise (AM)Sunset (PM)
110.27:295:43
210.37:295:44
310.37:285:45
410.37:275:46
510.37:265:47
610.47:265:48
710.47:255:49
810.47:245:50
910.57:235:51
1010.57:225:52
1110.57:215:53
1210.67:205:54
1310.67:195:55
1410.67:185:56
1510.77:175:57
1610.77:165:58
1710.77:155:59
1810.87:146:00
1910.87:136:01
2010.87:126:02
2110.97:116:03
2210.97:106:04
2310.97:096:05
2411.07:076:06
2511.07:066:07
2611.07:056:08
2711.17:046:09
2811.17:036:10

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 3.7 kWh/m².

For context, solar energy here swings from a low near 2.65 kWh/m² to a high of 5.9 kWh/m² in May across the year — February's 3.7 kWh/m² falls in the middle.

012345151015202528
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.4Moderate
43.5Moderate
53.5Moderate
63.5Moderate
73.5Moderate
83.6Moderate
93.6Moderate
103.6Moderate
113.6Moderate
123.6Moderate
133.7Moderate
143.7Moderate
153.7Moderate
163.7Moderate
173.8Moderate
183.8Moderate
193.8Moderate
203.8Moderate
213.8Moderate
223.9Moderate
233.9Moderate
243.9Moderate
253.9Moderate
264.0Moderate
274.0Bright
284.0Bright
Planning a trip in February

Hazard calendar for Ulsan

In seasonPeak

In February, Ulsan sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Ulsan sits in the Pacific typhoon belt; the season peaks July–October.

Ulsan's rainy season runs May–September, when most of the year's rain falls.

Pacific typhoon
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is February a good time to visit Ulsan?

Our two travel scores rate February for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

2.0
Sightseeing
11th-best month of the year
0.0
Beach & pool
10th-best month of the year

February is a weaker month for outdoor sightseeing in Ulsan.

What to pack for Ulsan in February

From February's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In February, Ulsan sees daytime highs around 9°C and nights near 0°C. Pack a warm layer. About 5 days see rain.

a warm layer

Sea temperature near Ulsan in February

The nearest coast averages about 14°C in February — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 19 km away) is warmest in August at about 26°C and coldest in February near 14°C.

It's comfortable for a long swim from Jun 17 to Nov 9 — about 4.8 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb14Bracing
Mar14Bracing
Apr15Bracing
May17Cool
Jun20Refreshing
Jul23Refreshing
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov20Cool
Dec17Cool

UV index in Ulsan in February

LowModerateHighVery highExtreme

Clear-sky midday UV in February peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ulsan peaks around August 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateAug 17UV 9Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5High
Apr7High
May8Very high
Jun8Very high
Jul9Very high
Aug9Very high
Sep9Very high
Oct5High
Nov4Moderate
Dec2Moderate

Air quality in Ulsan in February

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where February falls, not just the annual average.

Air quality in Ulsan is worst in March — around 21 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (August, 13 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Ulsan's WHO annual average of 17 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2121 µg/m³Aug 1913 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb18Moderate
Mar21Moderate
Apr21Moderate
May20Moderate
Jun17Moderate
Jul14Moderate
Aug13Moderate
Sep14Moderate
Oct16Moderate
Nov18Moderate
Dec15Moderate
Location & terrain

Where is Ulsan?

Ulsan sits at 35.5°N, 129.3°E, 10 m above sea level, in South Korea. The nearest listed city is Ungsang, 20 km away.

GijangGyeongjuMiryangKimhaeYeonilPohang

Topography around Ulsan

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ulsan.

Within 3 km, the terrain around Ulsan has only modest variations in elevation — a maximum elevation change of 136 m around an average of 26 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 752 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,204 m.

The land around Ulsan is covered by artificial surfaces (61%) and trees (30%) within 3 km, trees (55%) within 16 km, and trees (44%) and water (40%) within 80 km.

3 km
136 m
16 km
752 m
80 km
1,204 m
treesgrasslandcroplandartificial surfacesbare terrainwater
February weather nearby: Ungsang 20 km · Yangsan 34 km · Gijang 34 km · Gyeongju 35 km · Miryang 52 km · Kimhae 52 km · Yeonil 52 km · Pohang 55 km

South Korea travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
220 V · 60 Hz
Prices
≈ 57% of US
price level, 2025
GDP per capita
$36,227
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.5
per 100k, 2023
Road deaths
8.6
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 522
Religion
none 60%Protestant 17%Buddhist 16%Catholic 6%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Ulsan (35.5372°, 129.3167°, elevation 10 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).