Sinŭiju weather in August

In August, Sinŭiju sees average daytime highs of 28°C and overnight lows near 21°C, with 218 mm of rain across 13.3 wet days and about 13.6 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 28% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 14 h 06 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is Sinŭiju's 11th-clearest and 12th-windiest month. For the whole year in context, see Sinŭiju's year-round climate.

Daytime high
28°
1st warmest
Overnight low
21°
12th coldest
Rainfall
218 mm
13.3 wet days
Daylight
13 h 36 min
5:59 AM – 7:34 PM
Cloud cover
62%
11th clearest
Wind
10 km/h
12th windiest
Solar energy
4.6 kWh/m²
Travel score
5.8
out of 10

Sinŭiju is city in North Korea.

Density
220/km²
people per km²
Founded
2002

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 Sinŭiju reaches about 28°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 25°C and 30°C. Set against its neighbours, August runs about 1°C warmer than 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
82822
92822
102822
112822
122822
132822
142822
152822
162822
172821
182821
192821
202821
212821
222721
232720
242720
252720
262720
272720
282720
292719
302719
312619

How August really feels in Sinŭiju

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.

Sinŭiju 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-2° / -10°102.42.39.50.0
Feb / -7°1932.210.40.0
Mar / -1°244.11.311.71.2
Apr14° / 526.30.2134.5
May20° / 11°888.1014.26.6
Jun24° / 17°1069.6014.86.9
Jul27° / 21°22613.4014.65.8
Aug28° / 21°21813.3013.65.8
Sep24° / 16°866.6012.37.5
Oct17° / 566.6010.96.1
Nov / 466.61.19.81.6
Dec / -7°214.32.49.20.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 15% of August, with mostly cloudy or overcast conditions the remaining 57%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23565
33664
43664
53763
63862
73961
83961
94060
104159
114159
124258
134357
144357
154357
164357
174357
184456
194456
204456
214456
224654
234753
244753
254852
264951
274951
285050
295050
305248
315248

Chance of precipitation in August

Any precipitation

Sinŭiju gets around 218 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 54% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
154
254
353
453
552
651
750
849
948
1047
1145
1244
1343
1442
1541
1640
1740
1839
1939
2039
2138
2238
2337
2437
2537
2636
2736
2835
2934
3034
3133

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 85% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1003186019
2003176020
3003176020
4004175920
5004175821
6004185721
7005185720
8005205520
9006215419
10006225418
11007245118
12017265017
13018284815
14018314614
15019334413
16019354212
170210384011
18021140389
19121142368
20131243347
21131344336
22141445325
23251445304
24251546293
25361645282
26371845262
27471944251
28482043231
29592142221
306102241211
317112339191

Wind in August

Winds average 10 km/h in August, the calmest month.

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 14 h 06 min at the start of August to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over August. Sunrise moves from 5:44 AM to 6:13 AM, and sunset from 7:53 PM to 7:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:447:53
214.15:457:52
314.15:467:51
414.05:477:50
514.05:487:48
614.05:497:47
713.95:507:46
813.95:517:45
913.95:527:44
1013.85:537:42
1113.85:547:41
1213.85:557:40
1313.75:567:39
1413.75:577:37
1513.65:587:36
1613.65:597:34
1713.66:007:33
1813.56:017:32
1913.56:017:30
2013.46:027:29
2113.46:037:27
2213.46:047:26
2313.36:057:24
2413.36:067:23
2513.26:077:21
2613.26:087:20
2713.16:097:18
2813.16:107:16
2913.16:117:15
3013.06:127:13
3113.06:137:12

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.6 kWh/m².

For context, solar energy here swings from a low near 2.19 kWh/m² to a high of 5.79 kWh/m² in May across the year — August's 4.6 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in August

Hazard calendar for Sinŭiju

In seasonPeak

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

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

Sinŭiju's rainy season runs June–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 Sinŭiju?

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 Sinŭiju for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Sinŭiju in August

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

In August, Sinŭiju sees daytime highs around 28°C and nights near 21°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

Sea temperature near Sinŭiju 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 at the nearest coast (about 25 km away) is warmest in August at about 24°C and coldest in February near 1°C.

It's comfortable for a long swim from Jul 2 to Oct 1 — about 3 months when the water holds above 20°C.

0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan2Bracing
Feb1Bracing
Mar2Bracing
Apr7Bracing
May13Bracing
Jun18Cool
Jul22Refreshing
Aug24Warm
Sep23Refreshing
Oct18Cool
Nov12Bracing
Dec6Bracing

UV index in Sinŭiju in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sinŭiju peaks around August 21 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 20 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 21UV 7Dec 20UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar3Moderate
Apr6High
May6High
Jun6High
Jul7High
Aug7High
Sep7High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Sinŭiju 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 Sinŭiju is worst in March — around 76 µg/m³ PM2.5 (unhealthy), about 2.1× the cleanest month (August, 36 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyMar 1575 µg/m³Aug 1236 µg/m³
PM2.5 (µg/m³)Level
Jan72Unhealthy
Feb68Unhealthy
Mar76Unhealthy
Apr64Unhealthy
May49Poor
Jun41Poor
Jul38Poor
Aug36Poor
Sep44Poor
Oct53Poor
Nov61Unhealthy
Dec62Unhealthy
Location & terrain

Where is Sinŭiju?

Sinŭiju sits at 40.1°N, 124.4°E, 6 m above sea level, in North Korea. The nearest listed city is Uiju, 16 km away.

Sakchu-ŭpKusŏng-siChŏngjuSil-liSinanjuAnjuCh’ŏsal-li

Topography around Sinŭiju

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

Within 3 km, the terrain around Sinŭiju has only modest variations in elevation — a maximum elevation change of 22 m around an average of 6 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 472 m; within 80 km, large variations in elevation — a maximum elevation change of 1,117 m.

The land around Sinŭiju is covered by artificial surfaces (46%) and cropland (35%) within 3 km, cropland (46%) and trees (27%) within 16 km, and trees (46%), cropland (25%) and water (22%) within 80 km.

3 km
22 m
16 km
472 m
80 km
1,117 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Uiju 16 km · Sakchu-ŭp 64 km · Kusŏng-si 74 km · Chŏngju 83 km · Sil-li 114 km · Sinanju 118 km · Anju 121 km · Ch’ŏsal-li 123 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 Sinŭiju (40.1006°, 124.3981°, elevation 6 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).