Busan weather in March

In March, Busan sees average daytime highs of 12°C and overnight lows near 8°C, with 89 mm of precipitation across 7.9 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 10°C in the first days to 13°C by the end. The sky is clear or mostly clear about 42% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 h 12 min at the start of March to 12 h 18 min by month's end. Set against the rest of the year, March is Busan's 6th-clearest and 4th-windiest month. For the whole year in context, see Busan's year-round climate.

Daytime high
12°
9th warmest
Overnight low
4th coldest
Precipitation
89 mm
7.9 wet days
Daylight
11 h 42 min
6:42 AM – 6:25 PM
Cloud cover
52%
6th clearest
Wind
22 km/h
4th windiest
Solar energy
4.63 kWh/m²
Travel score
3.2
out of 10

Busan is metropolitan city of South Korea.

Air quality
Elevated
PM2.5 17 µg/m³ · 2020
Density
4,267/km²
people per km²

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 10°C in the first days to 13°C by the end.

A typical March day in Busan reaches about 12°C in the afternoon and slips back to 8°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 14°C. Set against its neighbours, March runs about 3°C warmer than February and about 3°C cooler than April.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1106
2106
3106
4116
5117
6117
7117
8117
9117
10117
11117
12117
13117
14118
15128
16128
17128
18128
19128
20128
21128
22129
23129
24129
25139
26139
27139
28139
29139
301310
311310

How March really feels in Busan

Once humidity and wind are folded in, March averages 0 days that feel above 32°C and 0 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
0
wind chill below the day's low

March sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Busan weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan / 374.79.91.4
Feb / 475.110.72.0
Mar12° / 897.911.73.2
Apr15° / 12°1218.112.94.7
May18° / 16°1307.613.86.1
Jun21° / 19°1679.314.36.4
Jul25° / 23°22811.814.16.4
Aug27° / 25°18111.113.36.5
Sep24° / 22°1598.812.27.0
Oct20° / 17°724.511.17.4
Nov15° / 11°525.410.25.3
Dec10° / 334.19.72.7

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 13% of March, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25248
35347
45446
55446
65545
75545
85644
95644
105644
115644
125644
135743
145743
155644
165644
175545
185545
195545
205446
215446
225347
235347
245347
255347
265248
275347
285347
295347
305347
315347

Chance of precipitation in March

Any precipitation

Busan gets around 89 mm of rain and snow over 7.9 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 25% and peaks near 27% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)
125
225
325
425
525
624
724
824
924
1024
1124
1224
1324
1424
1524
1625
1725
1825
1926
2026
2126
2227
2327
2427
2527
2626
2726
2826
2926
3026
3126

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23982
24982
25982
26982
27982
28982
29982
30982
31973

Wind in March

Winds average 22 km/h in March.

Across March, daily wind ranges from about 22 km/h on the calmest days to 23 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
122breezy
222breezy
323breezy
423breezy
523breezy
623breezy
723breezy
823breezy
923breezy
1023breezy
1123breezy
1223breezy
1323breezy
1423breezy
1523breezy
1623breezy
1723breezy
1823breezy
1922breezy
2022breezy
2122breezy
2222breezy
2322breezy
2422breezy
2522breezy
2622breezy
2722breezy
2822breezy
2922breezy
3022breezy
3122breezy

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 12 min at the start of March to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over March. Sunrise moves from 7:02 AM to 6:20 AM, and sunset from 6:12 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:026:12
211.27:016:13
311.26:596:14
411.36:586:15
511.36:576:16
611.46:566:17
711.46:546:18
811.46:536:18
911.56:516:19
1011.56:506:20
1111.56:496:21
1211.66:476:22
1311.66:466:23
1411.76:456:24
1511.76:436:24
1611.76:426:25
1711.86:406:26
1811.86:396:27
1911.86:376:28
2011.96:366:29
2111.96:356:29
2212.06:336:30
2312.06:326:31
2412.06:306:32
2512.16:296:33
2612.16:276:34
2712.16:266:34
2812.26:246:35
2912.26:236:36
3012.36:226:37
3112.36:206:38

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.63 kWh/m².

For context, solar energy here swings from a low near 2.64 kWh/m² to a high of 5.88 kWh/m² in May across the year — March's 4.63 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.2Bright
44.2Bright
54.2Bright
64.3Bright
74.3Bright
84.3Bright
94.4Bright
104.4Bright
114.5Bright
124.5Bright
134.5Bright
144.6Bright
154.6Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.8Bright
214.8Bright
224.8Bright
234.9Bright
244.9Bright
254.9Bright
265.0Bright
275.0Bright
285.0Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in March

Hazard calendar for Busan

In seasonPeak

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

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

Busan's rainy season runs April–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 March a good time to visit Busan?

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

3.2
Sightseeing
9th-best month of the year
0.0
Beach & pool
9th-best month of the year

March is a weaker month for outdoor sightseeing in Busan.

What to pack for Busan in March

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

In March, Busan sees daytime highs around 12°C and nights near 8°C. Pack a warm layer. Worth having: sun protection and a windbreaker. About 8 days see rain.

a warm layersun protectiona windbreaker

Sea temperature near Busan in March

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

The sea offshore 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 7 — about 4.7 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
Nov19Cool
Dec17Cool

UV index in Busan in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Busan peaks around August 18 at about 9 (very high) — sunscreen, a hat and midday shade are essential. 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 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateAug 18UV 9Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5High
Apr7High
May8Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep9Very high
Oct5High
Nov4Moderate
Dec2Moderate

Air quality in Busan in March

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Busan 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 Busan'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 Busan?

Busan sits at 35.1°N, 129.0°E, 15 m above sea level, in South Korea. The nearest listed city is Kimhae, 20 km away.

ChangwonUngsangGeojeSinhyeonKyosai

Topography around Busan

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

Within 3 km, the terrain around Busan has significant variations in elevation — a maximum elevation change of 485 m around an average of 75 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 636 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,204 m.

The land around Busan is covered by artificial surfaces (50%), trees (26%) and water (21%) within 3 km, water (51%) and artificial surfaces (24%) within 16 km, and water (53%) and trees (36%) within 80 km.

3 km
485 m
16 km
636 m
80 km
1,204 m
treesgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Kimhae 20 km · Gijang 23 km · Yangsan 27 km · Changwon 35 km · Ungsang 36 km · Geoje 44 km · Sinhyeon 44 km · Kyosai 49 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 Busan (35.1017°, 129.03°, elevation 15 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).