Yesan weather in June

In June, Yesan sees average daytime highs of 28°C and overnight lows near 18°C, with 117 mm of rain across 7.9 wet days and about 14.5 hours of daylight. It is the 3rd-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 30% of the time in June, and the air most often feels humid.

Daylight stretches from about 14 h 18 min at the start of June to 14 h 30 min by month's end. Set against the rest of the year, June is Yesan's 10th-clearest and 12th-windiest month. For the whole year in context, see Yesan's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
18°
10th coldest
Rainfall
117 mm
7.9 wet days
Daylight
14 h 30 min
5:18 AM – 7:48 PM
Cloud cover
63%
10th clearest
Wind
8 km/h
12th windiest
Solar energy
5.7 kWh/m²
Travel score
6.5
out of 10

Yesan is human settlement in South Korea.

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

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical June day in Yesan reaches about 28°C in the afternoon and slips back to 18°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 31°C. Set against its neighbours, June runs about 4°C warmer than May and about 2°C cooler than July.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12615
22716
32716
42716
52716
62716
72717
82717
92717
102717
112817
122818
132818
142818
152818
162818
172818
182819
192819
202819
212819
222819
232819
242820
252820
262820
272820
282820
292820
302820

How June really feels in Yesan

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.

Yesan weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -5°224.53.19.80.0
Feb / -3°274.21.710.60.4
Mar11° / 416.11.111.73.2
Apr18° / 697012.96.3
May24° / 13°777.1013.97.3
Jun28° / 18°1177.9014.56.5
Jul29° / 22°24615.5014.34.6
Aug30° / 23°23515013.44.6
Sep26° / 17°1357.9012.27.0
Oct20° / 10°565.2011.17.2
Nov12° / 466.70.4103.8
Dec / -3°235.12.69.50.4

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 12% of June, with mostly cloudy or overcast conditions the remaining 58%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15149
25149
35050
44951
54951
64951
74852
84753
94654
104654
114654
124555
134555
144456
154456
164456
174357
184258
194258
204159
214060
223862
233862
243664
253664
263466
273367
283268
293268
303070

Chance of precipitation in June

Any precipitation

Yesan gets around 117 mm of rain over 7.9 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 27% and peaks near 42% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
120
220
320
420
521
621
721
821
921
1021
1121
1222
1322
1422
1523
1623
1724
1825
1926
2027
2128
2230
2332
2433
2535
2637
2739
2840
2941
3042

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 36% of days. Sticky, muggy-or-worse air turns up on roughly 26% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
144351920
241362220
338362420
434372630
531372930
628373140
725373350
822373560
919363870
1016354080
11143441101
12123343111
13113144131
1493045151
1582846171
1672646201
1772445222
1862345242
1952144273
2051943294
2151742325
2241540347
2341338369
24312363811
25310344013
2629324116
2728304218
2827274321
2916254423
3015234426

Wind in June

Winds average 8 km/h in June, the calmest month.

Across June, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
279calm
289calm
299calm
309calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 18 min at the start of June to 14 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 5:21 AM to 5:21 AM, and sunset from 7:40 PM to 7:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.35:217:40
214.35:207:40
314.45:207:41
414.45:207:42
514.45:197:42
614.45:197:43
714.45:197:43
814.45:197:44
914.45:187:44
1014.45:187:45
1114.55:187:46
1214.55:187:46
1314.55:187:46
1414.55:187:47
1514.55:187:47
1614.55:187:48
1714.55:187:48
1814.55:187:48
1914.55:187:49
2014.55:187:49
2114.55:197:49
2214.55:197:49
2314.55:197:50
2414.55:197:50
2514.55:197:50
2614.55:207:50
2714.55:207:50
2814.55:207:50
2914.55:217:50
3014.55:217:50

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.7 kWh/m².

For context, solar energy here swings from a low near 2.21 kWh/m² to a high of 5.93 kWh/m² in May across the year — June's 5.7 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.0Intense
96.0Intense
106.0Bright
116.0Bright
125.9Bright
135.9Bright
145.8Bright
155.8Bright
165.8Bright
175.7Bright
185.7Bright
195.6Bright
205.5Bright
215.5Bright
225.4Bright
235.3Bright
245.2Bright
255.2Bright
265.1Bright
275.0Bright
285.0Bright
294.9Bright
304.8Bright
Planning a trip in June

Hazard calendar for Yesan

In seasonPeak

In June, Yesan sits inside its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.

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

Yesan'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 June a good time to visit Yesan?

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

6.5
Sightseeing
4th-best month of the year
6.9
Beach & pool
1st-best month of the year

June is a reasonable time to visit Yesan for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Yesan in June

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

In June, Yesan sees daytime highs around 28°C and nights near 18°C. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

Sea temperature near Yesan in June

The nearest coast averages about 18°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 42 km away) is warmest in August at about 25°C and coldest in February near 5°C.

It's comfortable for a long swim from Jul 4 to Oct 7 — about 3.2 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan7Bracing
Feb5Bracing
Mar6Bracing
Apr8Bracing
May12Bracing
Jun18Cool
Jul22Refreshing
Aug25Warm
Sep23Refreshing
Oct19Cool
Nov15Cool
Dec11Bracing

UV index in Yesan in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Yesan peaks around July 24 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 23 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 24UV 8Dec 23UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May6High
Jun7High
Jul8Very high
Aug8Very high
Sep7Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Yesan 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 Yesan is worst in March — around 92 µg/m³ PM2.5 (unhealthy), about 2.0× the cleanest month (July, 46 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyMar 1391 µg/m³Jul 2246 µg/m³
PM2.5 (µg/m³)Level
Jan83Unhealthy
Feb85Unhealthy
Mar92Unhealthy
Apr75Unhealthy
May62Unhealthy
Jun57Unhealthy
Jul46Poor
Aug47Poor
Sep61Unhealthy
Oct74Unhealthy
Nov79Unhealthy
Dec73Unhealthy
Location & terrain

Where is Yesan?

Yesan sits at 36.7°N, 126.8°E, 23 m above sea level, in South Korea. The nearest listed city is Hongseong, 18 km away.

GongjuSeosanSeonghwanSejong

Topography around Yesan

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

Within 3 km, the terrain around Yesan has significant variations in elevation — a maximum elevation change of 402 m around an average of 84 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 615 m; within 80 km, large variations in elevation — a maximum elevation change of 882 m.

The land around Yesan is covered by trees (57%) within 3 km, trees (49%) and cropland (36%) within 16 km, and trees (41%), water (27%) and cropland (21%) within 80 km.

3 km
402 m
16 km
615 m
80 km
882 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Hongseong 18 km · Asan 19 km · Tangjin 31 km · Cheonan 31 km · Gongju 35 km · Seosan 37 km · Seonghwan 37 km · Sejong 41 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 Yesan (36.6776°, 126.8427°, elevation 23 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).