Donghae City weather in August

In August, Donghae City sees average daytime highs of 26°C and overnight lows near 21°C, with 215 mm of rain across 15.4 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 28°C in the first days to 25°C by the end. The sky is clear or mostly clear about 22% of the time in August, and the air most often feels muggy.

Daylight stretches from about 14 hours at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Donghae City's 11th-clearest and 10th-windiest month. For the whole year in context, see Donghae City's year-round climate.

Daytime high
26°
1st warmest
Overnight low
21°
12th coldest
Rainfall
215 mm
15.4 wet days
Daylight
13 h 30 min
5:44 AM – 7:11 PM
Cloud cover
69%
11th clearest
Wind
8 km/h
10th windiest
Solar energy
4.54 kWh/m²
Travel score
5.7
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 28°C in the first days to 25°C by the end.

A typical August day in Donghae City reaches about 26°C in the afternoon and slips back to 21°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 31°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)
12822
22822
32822
42822
52822
62822
72822
82722
92722
102722
112722
122721
132721
142721
152721
162721
172721
182621
192621
202620
212620
222620
232620
242620
252520
262520
272519
282519
292519
302519
312519

How August really feels in Donghae City

Once humidity and wind are folded in, August 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

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Donghae City 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 / -6°455.859.70.0
Feb / -5°445.74.610.60.1
Mar / 688.64.811.72.0
Apr16° / 758.40.812.95.1
May21° / 12°757.80146.7
Jun23° / 16°1079.6014.56.8
Jul26° / 20°19713.4014.35.9
Aug26° / 21°21515.4013.45.7
Sep22° / 16°18511.6012.36.3
Oct18° / 8280116.1
Nov11° / 617.30.7103.1
Dec / -3°3552.79.50.2

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 13% of August, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23862
33862
43862
53862
63862
73862
83862
93763
103763
113763
123664
133664
143664
153466
163466
173367
183466
193466
203466
213466
223466
233466
243367
253367
263367
273367
283466
293466
303565
313565

Chance of precipitation in August

Any precipitation

Donghae City gets around 215 mm of rain over 15.4 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 49% and peaks near 52% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
143
243
344
444
545
646
746
847
948
1048
1149
1250
1350
1451
1551
1652
1752
1852
1952
2052
2152
2252
2352
2452
2551
2651
2751
2850
2950
3049
3148

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 39% of days. Sticky, muggy-or-worse air turns up on roughly 76% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
101937521
201936531
301936531
401935541
501935541
601935541
7011035531
8011036521
9011036521
10011137501
11011238481
12011239471
13011340451
14011441431
15011542411
16011742391
17021843370
18021943350
19022143330
20032343310
21042443290
22042643270
23052742250
24062842230
25073041210
26093140200
270103239180
280113338170
290133437150
301143536140
311163634120

Wind in August

Winds average 8 km/h in August.

Across August, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 hours at the start of August to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over August. Sunrise moves from 5:31 AM to 5:57 AM, and sunset from 7:28 PM to 6:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:317:28
213.95:327:27
313.95:337:26
413.95:347:25
513.85:347:24
613.85:357:23
713.85:367:22
813.75:377:21
913.75:387:20
1013.75:397:19
1113.65:407:18
1213.65:407:16
1313.65:417:15
1413.55:427:14
1513.55:437:13
1613.55:447:11
1713.45:457:10
1813.45:467:09
1913.35:477:07
2013.35:477:06
2113.35:487:05
2213.25:497:03
2313.25:507:02
2413.25:517:01
2513.15:526:59
2613.15:536:58
2713.05:546:56
2813.05:546:55
2913.05:556:53
3012.95:566:52
3112.95:576:50

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.54 kWh/m².

For context, solar energy here swings from a low near 2.45 kWh/m² to a high of 5.97 kWh/m² in May across the year — August's 4.54 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.7Bright
114.7Bright
124.7Bright
134.6Bright
144.6Bright
154.6Bright
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
294.3Bright
304.3Bright
314.3Bright
Planning a trip in August

Hazard calendar for Donghae City

In seasonPeak

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

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

Donghae City'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 Donghae City?

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

5.7
Sightseeing
6th-best month of the year
5.6
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Donghae City for sightseeing.

What to pack for Donghae City in August

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

In August, Donghae City sees daytime highs around 26°C and nights near 21°C. Pack rain gear. Worth having: light clothes and sun protection. About 15 days see rain.

rain gearlight clothessun protection

Sea temperature near Donghae City in August

The nearest coast averages about 24°C in August — 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 10°C.

It's comfortable for a long swim from Jul 1 to Oct 11 — about 3.4 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan11Bracing
Feb10Bracing
Mar10Bracing
Apr12Bracing
May15Bracing
Jun18Cool
Jul22Refreshing
Aug24Warm
Sep22Refreshing
Oct20Cool
Nov16Cool
Dec14Bracing

UV index in Donghae City in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Donghae City 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 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateAug 16UV 9Dec 23UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May7High
Jun7High
Jul8Very high
Aug9Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Donghae City 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 Donghae City is worst in March — around 40 µg/m³ PM2.5 (poor), about 2.4× the cleanest month (September, 17 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 2239 µg/m³Sep 1817 µg/m³
PM2.5 (µg/m³)Level
Jan26Moderate
Feb30Moderate
Mar40Poor
Apr38Poor
May35Moderate
Jun30Moderate
Jul24Moderate
Aug21Moderate
Sep17Moderate
Oct20Moderate
Nov24Moderate
Dec22Moderate
Location & terrain

Where is Donghae City?

Donghae City sits at 37.5°N, 129.1°E, 24 m above sea level, in South Korea. The nearest listed city is Santyoku, 13 km away.

T’aebaekJumunjinPyeongchangNeietsuSokchoYeongju

Topography around Donghae City

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

Within 3 km, the terrain around Donghae City has significant variations in elevation — a maximum elevation change of 358 m around an average of 72 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,347 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,550 m.

The land around Donghae City is covered by trees (47%) and water (30%) within 3 km, water (47%) and trees (44%) within 16 km, and trees (62%) and water (33%) within 80 km.

3 km
358 m
16 km
1,347 m
80 km
1,550 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Santyoku 13 km · Gangneung 31 km · T’aebaek 42 km · Jumunjin 46 km · Pyeongchang 66 km · Neietsu 69 km · Sokcho 86 km · Yeongju 91 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 Donghae City (37.5439°, 129.1069°, elevation 24 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).