Yesan weather in July

In July, Yesan sees average daytime highs of 29°C and overnight lows near 22°C, with 246 mm of rain across 15.5 wet days and about 14.3 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 28°C in the first days to 30°C by the end. The sky is clear or mostly clear about 19% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 14 h 30 min at the start of July to 13 h 54 min by month's end. Set against the rest of the year, July is Yesan's 12th-clearest and 7th-windiest month. For the whole year in context, see Yesan's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
22°
11th coldest
Rainfall
246 mm
15.5 wet days
Daylight
14 h 18 min
5:30 AM – 7:47 PM
Cloud cover
72%
12th clearest
Wind
10 km/h
7th windiest
Solar energy
4.61 kWh/m²
Travel score
4.6
out of 10

Yesan is human settlement in South Korea.

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 28°C in the first days to 30°C by the end.

A typical July day in Yesan reaches about 29°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 33°C. Set against its neighbours, July runs about 2°C warmer than June and on par with August.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12821
22821
32821
42821
52821
62821
72821
82821
92822
102922
112922
122922
132922
142922
152922
162922
172922
182923
192923
202923
213023
223023
233023
243023
253023
263023
273024
283024
293024
303124
313124

How July really feels in Yesan

Once humidity and wind are folded in, July averages 14 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
14
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.

Yesan 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 / -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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in July, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of July, with mostly cloudy or overcast conditions the remaining 68%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
22872
32872
42773
52773
62674
72674
82674
92773
102674
112674
122773
132773
142872
152971
162971
173070
183169
193268
203367
213367
223466
233565
243763
253862
263862
273961
284060
294159
304159
314258

Chance of precipitation in July

Any precipitation

Yesan gets around 246 mm of rain over 15.5 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 50% and peaks near 53% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
143
244
346
447
548
649
750
850
951
1051
1152
1252
1353
1453
1553
1653
1753
1853
1952
2052
2151
2250
2350
2449
2548
2648
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 91% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1152145281
2141945301
3141844331
4031644351
5031544372
6031343392
7021242413
8021141423
9021140443
10021039454
1102938475
1202837485
1302735496
1402634517
1502633518
1601531549
17014305411
18014285512
19013265713
20013255615
21012235816
22012225718
23011205820
24011195722
25011185624
26011175526
27011165428
28001155430
29001145431
30001145332
31001145233

Wind in July

Winds average 10 km/h in July.

Across July, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
289calm
299calm
309calm
319calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 30 min at the start of July to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over July. Sunrise moves from 5:22 AM to 5:41 AM, and sunset from 7:50 PM to 7:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.55:227:50
214.55:227:50
314.55:227:50
414.55:237:50
514.45:237:50
614.45:247:50
714.45:247:50
814.45:257:49
914.45:257:49
1014.45:267:49
1114.45:277:49
1214.45:277:48
1314.35:287:48
1414.35:297:48
1514.35:297:47
1614.35:307:47
1714.35:317:46
1814.25:317:46
1914.25:327:45
2014.25:337:45
2114.25:337:44
2214.25:347:43
2314.15:357:43
2414.15:367:42
2514.15:367:41
2614.15:377:40
2714.05:387:40
2814.05:397:39
2914.05:397:38
3013.95:407:37
3113.95:417:36

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.61 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 — July's 4.61 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.7Bright
34.7Bright
44.7Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in July

Hazard calendar for Yesan

In seasonPeak

In July, 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 July a good time to visit Yesan?

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

4.6
Sightseeing
6th-best month of the year
5.9
Beach & pool
5th-best month of the year

July is a reasonable time to visit Yesan for sightseeing.

What to pack for Yesan in July

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

In July, Yesan sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

Sea temperature near Yesan 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 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 July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 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 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 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
July 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).