Buan in Winter

In winter (December, January and February), Buan sees average daytime highs around 5°C and overnight lows near -0°C, with 100 mm of precipitation over about 19 wet days across the season. It is the coldest season of the year and the driest season of the year.

Across winter, daytime highs hold fairly steady around 5°C. The sky is clear or mostly clear about 25% of the time across winter, and the air most often feels dry.

Winter is Buan's weakest season of the year to visit on our travel score. For the whole year in context, see Buan's year-round climate.

Avg daytime high
5°C
coldest season of the year
Avg overnight low
-0°C
Precipitation
100 mm
19 wet days
Avg wind
14 km/h
Travel score
0.4
weakest season of the year
Months
Dec · Jan · Feb

Temperature in Buan in Winter

Average highAverage lowShaded bands: 10–90% of days

Across winter, daytime highs hold fairly steady around 5°C.

A typical winter day in Buan reaches about 5°C and drops to -0°C overnight. The warmest of the three months is December, the coolest January.

-10°-5°10°15°DecJanFeb

How winter really feels in Buan

Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 90 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
90
wind chill below the day's low

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

Buan weather by month

How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°306.43.89.90.0
Feb / -0°365.31.810.60.4
Mar10° / 557.20.811.72.4
Apr15° / 877.6012.95.0
May20° / 14°938013.96.7
Jun24° / 19°1398.7014.46.9
Jul27° / 23°24414.3014.25.6
Aug28° / 24°22614.4013.45.3
Sep25° / 19°1498.9012.27.0
Oct20° / 13°605.2011.17.1
Nov13° / 506.90.110.14.0
Dec / 347.22.99.60.8

Cloud cover in Winter

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time across winter.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Winter

Any precipitationSnow

Buan gets around 100 mm of rain and snow over 19 wet days across winter. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%DecJanFeb

Humidity in Winter

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%DecJanFeb

Wind in Winter

Winds average 14 km/h across winter.

05101520DecJanFeb

Sunrise & sunset in Winter

DaylightNight

Daylight runs from about 9 h 48 min in early December to 11 h 06 min by late February. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Winter

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across winter, about 2.7 kWh/m².

012345DecJanFeb
Planning a trip in winter

Hazard calendar for Buan

In seasonPeak

In winter, Buan overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.

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

Buan's rainy season runs June–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 winter a good time to visit Buan?

Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

0.4
Sightseeing
4th-best month of the year
0.0
Beach & pool
4th-best month of the year

winter is a weaker month for outdoor sightseeing in Buan.

What to pack for Buan in Winter

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

In winter, Buan sees daytime highs around 5°C and nights near -0°C. Pack a warm layer. Worth having: a heavy coat. About 19 days see rain.

a warm layera heavy coat

Sea temperature near Buan in Winter

The nearest coast averages about 8°C across winter — 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 6°C.

It's comfortable for a long swim from Jun 25 to Oct 10 — about 3.6 months when the water holds above 20°C.

0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan7Bracing
Feb6Bracing
Mar6Bracing
Apr9Bracing
May14Bracing
Jun19Cool
Jul23Refreshing
Aug26Warm
Sep23Refreshing
Oct19Cool
Nov15Bracing
Dec10Bracing

UV index in Buan in Winter

LowModerateHighVery highExtreme

Clear-sky midday UV across winter averages around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Buan peaks around September 12 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateSep 12UV 8Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5High
Apr7High
May7Very high
Jun8Very high
Jul8Very high
Aug7Very high
Sep8Very high
Oct5High
Nov4Moderate
Dec2Moderate

Air quality in Buan in Winter

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Buan is worst in March — around 64 µg/m³ PM2.5 (unhealthy), about 2.0× the cleanest month (July, 32 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModeratePoorMar 1663 µg/m³Jul 2133 µg/m³
PM2.5 (µg/m³)Level
Jan52Poor
Feb56Unhealthy
Mar64Unhealthy
Apr55Poor
May46Poor
Jun42Poor
Jul32Moderate
Aug35Moderate
Sep43Poor
Oct48Poor
Nov51Poor
Dec48Poor
Location & terrain

Where is Buan?

Buan sits at 35.7°N, 126.7°E, 18 m above sea level, in South Korea. The nearest listed city is Kimje, 16 km away.

NamsaJeonjuWanju

Topography around Buan

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

Within 3 km, the terrain around Buan has only modest variations in elevation — a maximum elevation change of 112 m around an average of 13 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 498 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,213 m.

The land around Buan is covered by cropland (52%) and artificial surfaces (22%) within 3 km, cropland (56%) within 16 km, and trees (40%), water (35%) and cropland (20%) within 80 km.

3 km
112 m
16 km
498 m
80 km
1,213 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
Winter weather nearby: Kimje 16 km · Jeongeup 22 km · Gunsan 28 km · Iksan 31 km · Koch'ang 33 km · Namsa 37 km · Jeonju 39 km · Wanju 40 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 Buan (35.7281°, 126.7319°, elevation 18 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.