Jangheung weather in July

In July, Jangheung sees average daytime highs of 28°C and overnight lows near 23°C, with 268 mm of rain across 16.1 wet days and about 14.1 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 27°C in the first days to 30°C by the end. The sky is clear or mostly clear about 16% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 14 h 18 min at the start of July to 13 h 48 min by month's end. Set against the rest of the year, July is Jangheung's 12th-clearest and 8th-windiest month. For the whole year in context, see Jangheung's year-round climate.

Daytime high
28°
2nd warmest
Overnight low
23°
11th coldest
Rainfall
268 mm
16.1 wet days
Daylight
14 h 06 min
5:35 AM – 7:41 PM
Cloud cover
74%
12th clearest
Wind
10 km/h
8th windiest
Solar energy
4.63 kWh/m²
Travel score
4.9
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 27°C in the first days to 30°C by the end.

A typical July day in Jangheung reaches about 28°C in the afternoon and slips back to 23°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 32°C. Set against its neighbours, July runs about 3°C warmer than June and about 1°C cooler than August.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12621
22621
32721
42721
52721
62721
72722
82722
92722
102722
112822
122822
132822
142822
152823
162823
172823
182923
192923
202923
212923
222923
232923
243024
253024
263024
273024
283024
293024
303024
313024

How July really feels in Jangheung

Once humidity and wind are folded in, July averages 13 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
13
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Jangheung weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°294.41.29.90.2
Feb / -1°3850.810.71.4
Mar13° / 727.80.511.73.6
Apr18° / 1018012.86.1
May23° / 13°1148.1013.87.0
Jun25° / 18°17510.2014.36.4
Jul28° / 23°26816.1014.14.9
Aug29° / 23°23415.8013.34.6
Sep26° / 18°14610.3012.26.6
Oct21° / 12°614.8011.17.5
Nov14° / 485.5010.24.8
Dec / -1°293.90.59.71.5

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in July, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of July, with mostly cloudy or overcast conditions the remaining 71%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11882
21882
31882
41981
51981
61981
72080
82179
92179
102278
112476
122575
132575
142773
152773
162872
173070
183070
193268
203268
213367
223565
233565
243763
253763
263862
273961
284060
294060
304159
314258

Chance of precipitation in July

Any precipitation

Jangheung gets around 268 mm of rain over 16.1 wet days in July, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 51% and peaks near 56% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
153
254
354
455
555
655
756
855
955
1054
1154
1253
1352
1452
1551
1651
1750
1849
1949
2048
2148
2248
2347
2447
2547
2647
2748
2848
2948
3048
3149

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the oppressive band about 48% of days. Sticky, muggy-or-worse air turns up on roughly 95% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
111743363
211542383
311442404
411241424
501140435
601039456
70938467
80838478
90737478
100736489
1106354910
1205335012
1305325013
1404305214
1504285216
1603265318
1703245320
1802235421
1902215423
2002205325
2102185327
2201175329
2301155331
2401145134
2501135036
2601124938
2701114840
2801114741
2901104642
3001104643
3101104544

Wind in July

Winds average 10 km/h in July.

Across July, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 18 min at the start of July to 13 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over July. Sunrise moves from 5:27 AM to 5:45 AM, and sunset from 7:45 PM to 7:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.35:277:45
214.35:277:45
314.35:287:45
414.35:287:45
514.35:287:44
614.35:297:44
714.25:297:44
814.25:307:44
914.25:307:44
1014.25:317:43
1114.25:327:43
1214.25:327:43
1314.25:337:43
1414.15:337:42
1514.15:347:42
1614.15:357:41
1714.15:357:41
1814.15:367:41
1914.15:367:40
2014.05:377:39
2114.05:387:39
2214.05:397:38
2314.05:397:38
2414.05:407:37
2513.95:417:36
2613.95:417:36
2713.95:427:35
2813.95:437:34
2913.85:447:34
3013.85:447:33
3113.85:457:32

Solar energy in July

Daily solar energy (kWh/m²)

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

For context, solar energy here swings from a low near 2.47 kWh/m² to a high of 5.72 kWh/m² in May across the year — July's 4.63 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.4Bright
114.4Bright
124.4Bright
134.5Bright
144.5Bright
154.6Bright
164.6Bright
174.7Bright
184.7Bright
194.8Bright
204.8Bright
214.9Bright
224.9Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in July

Hazard calendar for Jangheung

In seasonPeak

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

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

Jangheung'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 July a good time to visit Jangheung?

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

4.9
Sightseeing
6th-best month of the year
5.7
Beach & pool
4th-best month of the year

July is a reasonable time to visit Jangheung for sightseeing.

What to pack for Jangheung in July

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

In July, Jangheung sees daytime highs around 28°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

Sea temperature near Jangheung in July

The nearest coast averages about 23°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 40 km away) is warmest in August at about 26°C and coldest in March near 12°C.

It's comfortable for a long swim from Jun 23 to Oct 19 — about 3.9 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar12Bracing
Apr13Bracing
May16Cool
Jun19Cool
Jul23Refreshing
Aug26Warm
Sep24Refreshing
Oct20Refreshing
Nov17Cool
Dec15Bracing

UV index in Jangheung in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Jangheung peaks around July 14 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 highHighModerateJul 14UV 8Dec 22UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar6High
Apr7High
May8Very high
Jun8Very high
Jul8Very high
Aug8Very high
Sep8Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Jangheung in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Jangheung is worst in March — around 43 µg/m³ PM2.5 (poor), about 2.4× the cleanest month (July, 18 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1842 µg/m³Jul 2418 µg/m³
PM2.5 (µg/m³)Level
Jan31Moderate
Feb36Poor
Mar43Poor
Apr37Poor
May30Moderate
Jun25Moderate
Jul18Moderate
Aug18Moderate
Sep22Moderate
Oct24Moderate
Nov27Moderate
Dec26Moderate
Location & terrain

Where is Jangheung?

Jangheung sits at 34.7°N, 126.9°E, 28 m above sea level, in South Korea. The nearest listed city is Boseong, 19 km away.

NajuHwasunBeolgyoMokpoMasan

Topography around Jangheung

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

Within 3 km, the terrain around Jangheung has significant variations in elevation — a maximum elevation change of 365 m around an average of 67 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 772 m; within 80 km, large variations in elevation — a maximum elevation change of 1,195 m.

The land around Jangheung is covered by trees (45%) and cropland (32%) within 3 km, trees (65%) and cropland (21%) within 16 km, and water (43%) and trees (38%) within 80 km.

3 km
365 m
16 km
772 m
80 km
1,195 m
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Boseong 19 km · Yeongam 23 km · Haenam 31 km · Naju 42 km · Hwasun 43 km · Beolgyo 44 km · Mokpo 49 km · Masan 50 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 Jangheung (34.6816°, 126.9069°, elevation 28 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).