Haeju weather in August

In August, Haeju sees average daytime highs of 28°C and overnight lows near 22°C, with 241 mm of rain across 13.3 wet days and about 13.5 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 29% of the time in August, and the air most often feels oppressive.

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 Haeju's 11th-clearest and 10th-windiest month. For the whole year in context, see Haeju's year-round climate.

Daytime high
28°
1st warmest
Overnight low
22°
12th coldest
Rainfall
241 mm
13.3 wet days
Daylight
13 h 30 min
5:57 AM – 7:26 PM
Cloud cover
62%
11th clearest
Wind
10 km/h
10th windiest
Solar energy
4.64 kWh/m²
Travel score
5.8
out of 10

Haeju is city in North Korea.

Density
1,075/km²
people per km²

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical August day in Haeju reaches about 28°C in the afternoon and slips back to 22°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 30°C. Set against its neighbours, August runs about 1°C warmer than July and about 3°C warmer than September.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12823
22823
32823
42823
52823
62823
72823
82823
92823
102823
112823
122823
132823
142823
152823
162823
172823
182822
192822
202822
212722
222722
232722
242721
252721
262721
272721
282721
292721
302621
312620

How August really feels in Haeju

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.

Haeju weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -6°153.22.29.70.0
Feb / -4°203.41.510.50.0
Mar / 294.90.811.71.5
Apr14° / 556.90134.5
May19° / 12°927.60146.6
Jun24° / 18°1058.3014.67.0
Jul26° / 22°27114.4014.45.8
Aug28° / 22°24113.3013.55.8
Sep24° / 17°976.8012.37.4
Oct18° / 11°434.90116.7
Nov10° / 436.40.49.92.7
Dec / -3°194.31.49.40.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 17% of August, with mostly cloudy or overcast conditions the remaining 54%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
24060
34060
44159
54159
64258
74357
84357
94456
104456
114456
124555
134555
144555
154654
164753
174753
184753
194753
204852
214951
224951
234951
244852
254951
265050
275050
285050
295050
305050
315050

Chance of precipitation in August

Any precipitation

Haeju gets around 241 mm of rain over 13.3 wet days in August. 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 50% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
150
250
349
449
548
648
747
847
946
1045
1145
1244
1343
1443
1542
1642
1741
1841
1941
2041
2140
2240
2340
2439
2539
2638
2738
2837
2936
3035
3134

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 42% of days. Sticky, muggy-or-worse air turns up on roughly 90% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1002135431
2002135332
3002135233
4002135134
5002135134
6002145035
7002144935
8002154834
9003174734
10003184733
11003194631
12003214630
13004224628
14004244526
15005264524
16006284422
17016294320
18017314319
19018334217
20019344115
210210354013
220211373911
230312383810
24031339378
25041439357
26041640346
27151740325
28161840314
29171941294
30182140273
31192240253

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 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
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 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 5:43 AM to 6:10 AM, and sunset from 7:43 PM to 7:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:437:43
214.05:447:42
313.95:457:41
413.95:467:40
513.95:477:39
613.85:487:38
713.85:497:37
813.85:507:36
913.75:507:34
1013.75:517:33
1113.75:527:32
1213.65:537:31
1313.65:547:30
1413.65:557:28
1513.55:567:27
1613.55:577:26
1713.45:587:24
1813.45:597:23
1913.45:597:22
2013.36:007:20
2113.36:017:19
2213.36:027:18
2313.26:037:16
2413.26:047:15
2513.16:057:13
2613.16:067:12
2713.16:077:10
2813.06:077:09
2913.06:087:07
3012.96:097:06
3112.96:107:04

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.64 kWh/m².

For context, solar energy here swings from a low near 2.21 kWh/m² to a high of 5.92 kWh/m² in May across the year — August's 4.64 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in August

Hazard calendar for Haeju

In seasonPeak

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

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

Haeju's rainy season runs July–August, 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 Haeju?

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

5.8
Sightseeing
5th-best month of the year
6.2
Beach & pool
1st-best month of the year

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

What to pack for Haeju in August

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

In August, Haeju sees daytime highs around 28°C and nights near 22°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

Sea temperature near Haeju 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 20 km away) is warmest in August at about 25°C and coldest in February near 2°C.

It's comfortable for a long swim from Jul 4 to Oct 5 — about 3.1 months when the water holds above 20°C.

0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan4Bracing
Feb2Bracing
Mar5Bracing
Apr9Bracing
May13Bracing
Jun18Cool
Jul22Refreshing
Aug25Warm
Sep23Refreshing
Oct18Cool
Nov13Bracing
Dec8Bracing

UV index in Haeju in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Haeju peaks around July 23 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 21 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 highHighModerateLowJul 23UV 8Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May7Very high
Jun6High
Jul8Very high
Aug8Very high
Sep7High
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Haeju 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 Haeju is worst in November — around 130 µg/m³ PM2.5 (unhealthy), about 2.3× the cleanest month (July, 58 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyNov 18129 µg/m³Jul 2058 µg/m³
PM2.5 (µg/m³)Level
Jan122Unhealthy
Feb117Unhealthy
Mar121Unhealthy
Apr95Unhealthy
May79Unhealthy
Jun69Unhealthy
Jul58Unhealthy
Aug62Unhealthy
Sep90Unhealthy
Oct115Unhealthy
Nov130Unhealthy
Dec122Unhealthy
Location & terrain

Where is Haeju?

Haeju sits at 38.0°N, 125.7°E, 57 m above sea level, in North Korea. The nearest listed city is Ch’ŏngdan-ŭp, 21 km away.

T’aet’an-ŭpSinch’ŏn-ŭpChaeryŏng-ŭp

Topography around Haeju

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

Within 3 km, the terrain around Haeju has significant variations in elevation — a maximum elevation change of 519 m around an average of 99 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 906 m; within 80 km, large variations in elevation — a maximum elevation change of 1,037 m.

The land around Haeju is covered by artificial surfaces (31%), trees (23%) and grassland (22%) within 3 km, cropland (39%) and trees (26%) within 16 km, and water (36%), cropland (34%) and trees (24%) within 80 km.

3 km
519 m
16 km
906 m
80 km
1,037 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Ch’ŏngdan-ŭp 21 km · Sinwŏn-ŭp 22 km · Kangnyŏng 23 km · Ayang-ni 24 km · Ongjin 33 km · T’aet’an-ŭp 37 km · Sinch’ŏn-ŭp 40 km · Chaeryŏng-ŭp 41 km

North Korea travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F
220 V · 50 Hz
Safe drinking water
67%
of population, 2023
Road deaths
24.2
per 100k/yr, 2019
Income group
Low
World Bank

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 Haeju (38.0406°, 125.7147°, elevation 57 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).