Yeonil weather in August

In August, Yeonil sees average daytime highs of 29°C and overnight lows near 23°C, with 202 mm of rain across 13.5 wet days and about 13.4 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 30°C in the first days to 27°C by the end. The sky is clear or mostly clear about 22% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 13 h 48 min at the start of August to 12 h 48 min by month's end. Set against the rest of the year, August is Yeonil's 10th-clearest and 10th-windiest month. For the whole year in context, see Yeonil's year-round climate.

Daytime high
29°
1st warmest
Overnight low
23°
12th coldest
Rainfall
202 mm
13.5 wet days
Daylight
13 h 24 min
5:46 AM – 7:08 PM
Cloud cover
68%
10th clearest
Wind
10 km/h
10th windiest
Solar energy
4.53 kWh/m²
Travel score
5.0
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

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

A typical August day in Yeonil 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 24°C and 33°C. Set against its neighbours, August runs on par with July and about 4°C warmer than September.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
132924
142924
152924
162923
172923
182923
192923
202923
212923
222823
232823
242822
252822
262822
272822
282822
292822
302722
312721

How August really feels in Yeonil

Once humidity and wind are folded in, August averages 16 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
16
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Yeonil weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°274.41.29.80.2
Feb / -1°334.51.210.61.2
Mar12° / 6170.911.73.4
Apr18° / 747.2012.96.0
May22° / 13°847.6013.97.1
Jun25° / 18°1208.5014.46.7
Jul28° / 23°19513014.25.2
Aug29° / 23°20213.5013.45.0
Sep25° / 19°1549.8012.26.7
Oct20° / 12°625011.17.2
Nov14° / 395010.14.8
Dec / -0°243.70.59.61.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 16% of August, with mostly cloudy or overcast conditions the remaining 62%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
34060
44060
54060
64060
74060
83961
93961
103961
113862
123862
133763
143763
153862
163763
173763
183862
193763
203664
213763
223763
233763
243664
253763
263664
273763
283763
293763
303664
313763

Chance of precipitation in August

Any precipitation

Yeonil gets around 202 mm of rain over 13.5 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 43% and peaks near 46% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
138
239
340
440
541
642
743
843
944
1044
1145
1245
1345
1446
1546
1646
1746
1846
1945
2045
2145
2244
2344
2443
2543
2643
2742
2842
2942
3042
3142

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 52% of days. Sticky, muggy-or-worse air turns up on roughly 91% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
104166614
204166614
304166614
404176415
504176415
604186315
704196215
804206115
904216015
1004225915
1104235815
1204245814
1304265614
1404275613
1505285413
1605295412
1706315211
1807325011
1907335010
201833499
211934488
2211035477
2311135457
2421336446
2521436426
2621537415
2731637395
2831838374
2941938354
3042139334
3142339313

Wind in August

Winds average 10 km/h in August.

Across August, daily wind ranges from about 10 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
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 48 min at the start of August to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over August. Sunrise moves from 5:33 AM to 5:58 AM, and sunset from 7:24 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:337:24
213.85:347:23
313.85:357:22
413.85:367:21
513.75:377:20
613.75:377:19
713.75:387:18
813.65:397:17
913.65:407:16
1013.65:417:15
1113.55:417:14
1213.55:427:13
1313.55:437:12
1413.45:447:11
1513.45:457:09
1613.45:467:08
1713.35:467:07
1813.35:477:06
1913.35:487:04
2013.25:497:03
2113.25:507:02
2213.25:507:00
2313.15:516:59
2413.15:526:58
2513.15:536:56
2613.05:546:55
2713.05:546:54
2813.05:556:52
2912.95:566:51
3012.95:576:49
3112.85:586:48

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.53 kWh/m².

For context, solar energy here swings from a low near 2.6 kWh/m² to a high of 5.84 kWh/m² in May across the year — August's 4.53 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
34.9Bright
44.9Bright
54.9Bright
64.8Bright
74.8Bright
84.8Bright
94.7Bright
104.7Bright
114.7Bright
124.6Bright
134.6Bright
144.6Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.4Bright
204.4Bright
214.4Bright
224.4Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in August

Hazard calendar for Yeonil

In seasonPeak

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

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

Yeonil'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 August a good time to visit Yeonil?

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

5.0
Sightseeing
7th-best month of the year
6.2
Beach & pool
1st-best month of the year

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

What to pack for Yeonil in August

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

In August, Yeonil sees daytime highs around 29°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

Sea temperature near Yeonil in August

The nearest coast averages about 25°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 31 km away) is warmest in August at about 25°C and coldest in February near 12°C.

It's comfortable for a long swim from Jun 25 to Oct 28 — about 4.1 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb12Bracing
Mar13Bracing
Apr14Bracing
May16Cool
Jun19Cool
Jul22Refreshing
Aug25Warm
Sep24Refreshing
Oct21Refreshing
Nov18Cool
Dec16Cool

UV index in Yeonil in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Yeonil peaks around August 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 highVery highModerateAug 16UV 9Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5Moderate
Apr7High
May8Very high
Jun6High
Jul8Very high
Aug10Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Moderate

Air quality in Yeonil in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Yeonil is worst in March — around 66 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (August, 34 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorPoorMar 1865 µg/m³Aug 1535 µg/m³
PM2.5 (µg/m³)Level
Jan51Poor
Feb57Unhealthy
Mar66Unhealthy
Apr60Unhealthy
May55Poor
Jun47Poor
Jul37Poor
Aug34Moderate
Sep39Poor
Oct47Poor
Nov56Unhealthy
Dec47Poor
Location & terrain

Where is Yeonil?

Yeonil sits at 36.0°N, 129.3°E, 4 m above sea level, in South Korea. The nearest listed city is Pohang, 5.0 km away.

EisenHayangUlsanCheongsong gunGyeongsan-si

Topography around Yeonil

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

Within 3 km, the terrain around Yeonil has significant variations in elevation — a maximum elevation change of 253 m around an average of 47 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 644 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,200 m.

The land around Yeonil is covered by trees (49%) and artificial surfaces (27%) within 3 km, trees (56%) within 16 km, and trees (56%) and water (30%) within 80 km.

3 km
253 m
16 km
644 m
80 km
1,200 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Pohang 5.0 km · Heunghae 12 km · Gyeongju 20 km · Eisen 35 km · Hayang 46 km · Ulsan 52 km · Cheongsong gun 53 km · Gyeongsan-si 56 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 Yeonil (36.0045°, 129.3185°, elevation 4 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).