Muan weather in July

In July, Muan sees average daytime highs of 29°C and overnight lows near 23°C, with 219 mm of rain across 15.2 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 31°C by the end. The sky is clear or mostly clear about 17% 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 Muan's 12th-clearest and 7th-windiest month. For the whole year in context, see Muan's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
23°
11th coldest
Rainfall
219 mm
15.2 wet days
Daylight
14 h 06 min
5:36 AM – 7:44 PM
Cloud cover
72%
12th clearest
Wind
12 km/h
7th windiest
Solar energy
4.99 kWh/m²
Travel score
4.8
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 31°C by the end.

A typical July day in Muan reaches about 29°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 26°C and 32°C. Set against its neighbours, July runs about 2°C warmer than June and about 1°C cooler than August.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12721
22721
32721
42721
52721
62722
72722
82822
92822
102822
112822
122822
132823
142823
152923
162923
172923
182923
192923
202923
213023
223024
233024
243024
253024
263024
273024
283124
293124
303124
313124

How July really feels in Muan

Once humidity and wind are folded in, July averages 15 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
15
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.

Muan 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 / -1°264.629.90.4
Feb / 345.10.910.71.3
Mar12° / 5970.411.73.6
Apr18° / 817.5012.96.1
May23° / 13°927.9013.87.1
Jun26° / 18°1569.4014.36.4
Jul29° / 23°21915.2014.14.8
Aug30° / 24°20614.6013.34.4
Sep27° / 19°1478.9012.26.7
Oct21° / 13°524.3011.17.7
Nov15° / 456010.25.0
Dec / 264.51.49.71.7

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in July, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of July, with mostly cloudy or overcast conditions the remaining 69%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12179
22179
32278
42179
52278
62278
72278
82377
92476
102575
112674
122674
132773
142971
152971
162971
173268
183268
193367
203466
213565
223763
233763
244060
254159
264258
274357
284456
294555
304555
314753

Chance of precipitation in July

Any precipitation

Muan gets around 219 mm of rain over 15.2 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 48% and peaks near 54% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
151
252
352
453
554
654
754
854
954
1053
1153
1252
1351
1450
1550
1649
1748
1847
1946
2045
2145
2244
2343
2443
2542
2642
2742
2842
2942
3042
3142

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 49% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
111345383
211144404
311043425
41941445
50840466
60739477
70637498
80536509
905345110
1004335211
1104315312
1203305413
1303285415
1403265516
1502245618
1602235520
1702215522
1801205524
1901185526
2001175428
2101165330
2201155232
2301135135
2401125037
2501124939
2601114841
2701104742
2801104644
2901104545
300194445
310194446

Wind in July

Winds average 12 km/h in July.

Across July, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

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 5:28 AM to 5:46 AM, and sunset from 7:47 PM to 7:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.35:287:47
214.35:287:47
314.35:287:47
414.35:297:47
514.35:297:47
614.35:307:47
714.35:307:47
814.35:317:46
914.25:317:46
1014.25:327:46
1114.25:327:46
1214.25:337:45
1314.25:347:45
1414.25:347:45
1514.25:357:44
1614.15:367:44
1714.15:367:43
1814.15:377:43
1914.15:377:42
2014.15:387:42
2114.05:397:41
2214.05:407:41
2314.05:407:40
2414.05:417:40
2514.05:427:39
2613.95:427:38
2713.95:437:37
2813.95:447:37
2913.95:457:36
3013.85:457:35
3113.85:467:34

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.99 kWh/m².

For context, solar energy here swings from a low near 2.23 kWh/m² to a high of 5.91 kWh/m² in May across the year — July's 4.99 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.8Bright
114.8Bright
124.8Bright
134.9Bright
144.9Bright
155.0Bright
165.0Bright
175.0Bright
185.1Bright
195.1Bright
205.2Bright
215.2Bright
225.2Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.4Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in July

Hazard calendar for Muan

In seasonPeak

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

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

Muan'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 Muan?

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

4.8
Sightseeing
7th-best month of the year
5.9
Beach & pool
4th-best month of the year

July is a reasonable time to visit Muan for sightseeing.

What to pack for Muan in July

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

In July, Muan sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.

light clothesrain gearsun protection

Sea temperature near Muan in July

The nearest coast averages about 22°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 36 km away) is warmest in August at about 25°C and coldest in February near 7°C.

It's comfortable for a long swim from Jun 28 to Oct 9 — about 3.4 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan8Bracing
Feb7Bracing
Mar7Bracing
Apr10Bracing
May14Bracing
Jun19Cool
Jul22Refreshing
Aug25Warm
Sep23Refreshing
Oct19Cool
Nov15Cool
Dec11Bracing

UV index in Muan 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 Muan peaks around June 21 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 highHighModerateJun 21UV 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 Muan 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 Muan is worst in March — around 61 µg/m³ PM2.5 (unhealthy), about 2.1× the cleanest month (August, 28 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModeratePoorModerateMar 1960 µg/m³Aug 1129 µg/m³
PM2.5 (µg/m³)Level
Jan41Poor
Feb48Poor
Mar61Unhealthy
Apr54Poor
May45Poor
Jun39Poor
Jul29Moderate
Aug28Moderate
Sep33Moderate
Oct35Moderate
Nov38Poor
Dec34Moderate
Location & terrain

Where is Muan?

Muan sits at 35.0°N, 126.5°E, 21 m above sea level, in South Korea. The nearest listed city is Mokpo, 21 km away.

MasanSinanGwangjuJangseong

Topography around Muan

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

Within 3 km, the terrain around Muan has significant variations in elevation — a maximum elevation change of 284 m around an average of 55 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 345 m; within 80 km, large variations in elevation — a maximum elevation change of 1,171 m.

The land around Muan is covered by trees (52%) and cropland (31%) within 3 km, cropland (36%), trees (33%) and water (20%) within 16 km, and water (45%) and trees (34%) within 80 km.

3 km
284 m
16 km
345 m
80 km
1,171 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Mokpo 21 km · Naju 22 km · Yeongam 29 km · Yeonggwang 32 km · Masan 36 km · Sinan 38 km · Gwangju 44 km · Jangseong 44 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 Muan (34.9901°, 126.479°, elevation 21 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).