Jumunjin weather in June

In June, Jumunjin sees average daytime highs of 23°C and overnight lows near 17°C, with 98 mm of rain across 9.7 wet days and about 14.6 hours of daylight. It is the 3rd-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 22°C in the first days to 24°C by the end. The sky is clear or mostly clear about 27% of the time in June, and the air most often feels humid.

Daylight stretches from about 14 h 24 min at the start of June to 14 h 36 min by month's end. Set against the rest of the year, June is Jumunjin's 10th-clearest and 12th-windiest month. For the whole year in context, see Jumunjin's year-round climate.

Daytime high
23°
3rd warmest
Overnight low
17°
10th coldest
Rainfall
98 mm
9.7 wet days
Daylight
14 h 36 min
5:07 AM – 7:43 PM
Cloud cover
64%
10th clearest
Wind
8 km/h
12th windiest
Solar energy
5.79 kWh/m²
Travel score
6.7
out of 10

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 22°C in the first days to 24°C by the end.

A typical June day in Jumunjin reaches about 23°C in the afternoon and slips back to 17°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 27°C. Set against its neighbours, June runs about 3°C warmer than May and about 3°C cooler than July.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12215
22215
32215
42215
52215
62216
72216
82216
92316
102316
112316
122316
132317
142317
152317
162317
172317
182317
192317
202318
212318
222418
232418
242418
252418
262418
272419
282419
292419
302419

How June really feels in Jumunjin

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.

Jumunjin 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°4465.19.70.0
Feb / -4°425.64.710.50.1
Mar / 598.14.411.72.0
Apr15° / 707.70.9134.9
May20° / 12°787.70146.7
Jun23° / 17°989.7014.66.7
Jul26° / 21°20014.2014.45.9
Aug26° / 21°20515.6013.55.7
Sep23° / 16°16611.1012.36.5
Oct18° / 10°767.80116.2
Nov11° / 637.71.4103.2
Dec / -2°375.22.99.40.2

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 14% 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 (%)
14951
24852
34753
44753
54654
64753
74753
84654
94555
104555
114555
124555
134555
144357
154357
164357
174258
184258
194159
204060
213961
223961
233862
243664
253565
263466
273466
283466
293367
303367

Chance of precipitation in June

Any precipitation

Jumunjin gets around 98 mm of rain over 9.7 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 32% and peaks near 43% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
122
222
323
423
524
625
726
826
927
1028
1129
1230
1331
1431
1532
1633
1734
1834
1935
2036
2136
2237
2338
2439
2540
2641
2741
2842
2942
3043

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 37% of days. Sticky, muggy-or-worse air turns up on roughly 14% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
15239900
248411100
344431210
441441410
537461610
634461810
731472110
828472320
925472620
1022462920
1120453230
1217443630
1315423940
1413404150
1512384460
1611364770
1710334980
1893150100
1982852120
2072653140
2162452171
2252153201
2341953231
2441752252
2531551283
2631349313
2721247344
2821146375
292944396
301842427

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
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 24 min at the start of June to 14 h 36 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 5:09 AM to 5:10 AM, and sunset from 7:35 PM to 7:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.45:097:35
214.45:097:36
314.55:097:36
414.55:087:37
514.55:087:38
614.55:087:38
714.55:087:39
814.55:077:39
914.55:077:40
1014.65:077:41
1114.65:077:41
1214.65:077:42
1314.65:077:42
1414.65:077:42
1514.65:077:43
1614.65:077:43
1714.65:077:44
1814.65:077:44
1914.65:077:44
2014.65:077:45
2114.65:077:45
2214.65:077:45
2314.65:087:45
2414.65:087:45
2514.65:087:46
2614.65:087:46
2714.65:097:46
2814.65:097:46
2914.65:097:46
3014.65:107:46

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.79 kWh/m².

For context, solar energy here swings from a low near 2.38 kWh/m² to a high of 5.9 kWh/m² in May across the year — June's 5.79 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.0Intense
106.0Intense
116.0Bright
126.0Bright
135.9Bright
145.9Bright
155.8Bright
165.8Bright
175.8Bright
185.7Bright
195.7Bright
205.6Bright
215.6Bright
225.5Bright
235.5Bright
245.4Bright
255.4Bright
265.3Bright
275.3Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in June

Hazard calendar for Jumunjin

In seasonPeak

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

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

Jumunjin'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 Jumunjin?

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

6.7
Sightseeing
1st-best month of the year
5.2
Beach & pool
3rd-best month of the year

June is a reasonable time to visit Jumunjin for sightseeing.

What to pack for Jumunjin in June

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

In June, Jumunjin sees daytime highs around 23°C and nights near 17°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Jumunjin 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 offshore is warmest in August at about 24°C and coldest in February near 9°C.

It's comfortable for a long swim from Jul 1 to Oct 7 — about 3.3 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan10Bracing
Feb9Bracing
Mar9Bracing
Apr12Bracing
May14Bracing
Jun18Cool
Jul22Refreshing
Aug24Warm
Sep22Refreshing
Oct19Cool
Nov16Cool
Dec13Bracing

UV index in Jumunjin 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 Jumunjin peaks around August 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateLowAug 16UV 9Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May6High
Jun8Very high
Jul8Very high
Aug9Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Jumunjin 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 Jumunjin is worst in March — around 36 µg/m³ PM2.5 (poor), about 2.8× the cleanest month (September, 13 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateMar 2136 µg/m³Sep 1513 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb28Moderate
Mar36Poor
Apr34Moderate
May29Moderate
Jun21Moderate
Jul18Moderate
Aug16Moderate
Sep13Moderate
Oct17Moderate
Nov21Moderate
Dec19Moderate
Location & terrain

Where is Jumunjin?

Jumunjin sits at 37.9°N, 128.8°E, 9 m above sea level, in South Korea. The nearest listed city is Gangneung, 16 km away.

SokchoDonghae CitySantyokuKosongPyeongchangYangguT’aebaek

Topography around Jumunjin

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

Within 3 km, the terrain around Jumunjin has only modest variations in elevation — a maximum elevation change of 96 m around an average of 12 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,006 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,646 m.

The land around Jumunjin is covered by water (43%) and trees (30%) within 3 km, water (49%) and trees (43%) within 16 km, and trees (64%) and water (31%) within 80 km.

3 km
96 m
16 km
1,006 m
80 km
1,646 m
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Gangneung 16 km · Sokcho 41 km · Donghae City 46 km · Santyoku 59 km · Kosong 63 km · Pyeongchang 69 km · Yanggu 77 km · T’aebaek 81 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 Jumunjin (37.8914°, 128.8258°, elevation 9 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).