Busan weather in June

In June, Busan sees average daytime highs of 21°C and overnight lows near 19°C, with 167 mm of rain across 9.3 wet days and about 14.3 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 22°C by the end. The sky is clear or mostly clear about 24% of the time in June, and the air most often feels humid.

Daylight stretches from about 14 h 12 min at the start of June to 14 h 18 min by month's end. Set against the rest of the year, June is Busan's 12th-clearest and 12th-windiest month. For the whole year in context, see Busan's year-round climate.

Daytime high
21°
4th warmest
Overnight low
19°
9th coldest
Rainfall
167 mm
9.3 wet days
Daylight
14 h 18 min
5:14 AM – 7:35 PM
Cloud cover
68%
12th clearest
Wind
18 km/h
12th windiest
Solar energy
5.48 kWh/m²
Travel score
6.4
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 June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 20°C in the first days to 22°C by the end.

A typical June day in Busan reaches about 21°C in the afternoon and slips back to 19°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 22°C. Set against its neighbours, June runs about 3°C warmer than May and about 4°C cooler than July.

15°18°20°23°25°151015202530
Avg high (°C)Avg low (°C)
12017
22018
32018
42018
52018
62018
72018
82018
92018
102019
112119
122119
132119
142119
152119
162119
172119
182120
192120
202220
212220
222220
232220
242220
252220
262221
272221
282221
292221
302321

How June really feels in Busan

Once humidity and wind are folded in, June 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

June 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 June compares with the rest of the year at a glance. June is the 4th-warmest and 3rd-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 June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in June, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of June, with mostly cloudy or overcast conditions the remaining 63%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14753
24753
34753
44654
54654
64555
74456
84456
94258
104258
114159
124159
134159
143961
153862
163763
173664
183565
193466
203466
213367
223169
233070
242971
252971
262971
272773
282773
292773
302773

Chance of precipitation in June

Any precipitation

Busan gets around 167 mm of rain over 9.3 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 31% and peaks near 45% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
121
221
321
421
522
622
723
824
924
1025
1126
1227
1328
1429
1530
1631
1732
1832
1934
2035
2136
2237
2339
2440
2541
2642
2743
2844
2945
3045

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the humid band about 39% of days. Sticky, muggy-or-worse air turns up on roughly 45% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
18375050
27355260
36345280
45325490
543055110
632855140
732655160
822455190
922255210
1012055240
1111854270
1211651311
1311450341
1401349371
1501146411
1601044442
170942472
180839493
190736534
200634546
210531568
2205285710
2304255912
2403235915
2503206017
2602186020
2702165923
2802145925
2902135728
3002125531

Wind in June

Winds average 18 km/h in June, the calmest month.

Across June, daily wind ranges from about 17 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 12 min at the start of June to 14 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over June. Sunrise moves from 5:16 AM to 5:17 AM, and sunset from 7:27 PM to 7:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:167:27
214.25:167:28
314.25:157:28
414.25:157:29
514.25:157:29
614.35:147:30
714.35:147:30
814.35:147:31
914.35:147:32
1014.35:147:32
1114.35:147:32
1214.35:147:33
1314.35:147:33
1414.35:147:34
1514.35:147:34
1614.35:147:35
1714.45:147:35
1814.45:147:35
1914.45:147:36
2014.45:147:36
2114.45:147:36
2214.45:147:36
2314.45:157:37
2414.45:157:37
2514.45:157:37
2614.45:157:37
2714.45:167:37
2814.45:167:37
2914.35:167:37
3014.35:177:37

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.48 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 — June's 5.48 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.0Bright
56.0Bright
65.9Bright
75.9Bright
85.9Bright
95.8Bright
105.8Bright
115.8Bright
125.7Bright
135.7Bright
145.6Bright
155.6Bright
165.5Bright
175.5Bright
185.4Bright
195.3Bright
205.3Bright
215.2Bright
225.1Bright
235.1Bright
245.0Bright
254.9Bright
264.9Bright
274.8Bright
284.8Bright
294.8Bright
304.7Bright
Planning a trip in June

Hazard calendar for Busan

In seasonPeak

In June, Busan sits inside its pacific typhoon and rainy season 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 June a good time to visit Busan?

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

6.4
Sightseeing
4th-best month of the year
3.9
Beach & pool
5th-best month of the year

June is a reasonable time to visit Busan for sightseeing.

What to pack for Busan in June

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

In June, Busan sees daytime highs around 21°C and nights near 19°C. Worth packing: rain gear and sun protection. About 9 days see rain.

rain gearsun protection

Sea temperature near Busan in June

The nearest coast averages about 20°C in June — 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 June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 8 — 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 June

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where June 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
June 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).