Sinŭiju weather in May

In May, Sinŭiju sees average daytime highs of 20°C and overnight lows near 11°C, with 88 mm of rain across 8.1 wet days and about 14.2 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 22°C by the end. The sky is clear or mostly clear about 41% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 42 min at the start of May to 14 h 36 min by month's end. Set against the rest of the year, May is Sinŭiju's 9th-clearest and 8th-windiest month. For the whole year in context, see Sinŭiju's year-round climate.

Daytime high
20°
5th warmest
Overnight low
11°
8th coldest
Rainfall
88 mm
8.1 wet days
Daylight
14 h 12 min
5:32 AM – 7:45 PM
Cloud cover
53%
9th clearest
Wind
11 km/h
8th windiest
Solar energy
5.79 kWh/m²
Travel score
6.6
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 May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 18°C in the first days to 22°C by the end.

A typical May day in Sinŭiju reaches about 20°C in the afternoon and slips back to 11°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 23°C. Set against its neighbours, May runs about 6°C warmer than April and about 4°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
1179
2179
3189
4189
5189
61810
71810
81810
91910
101910
111911
121911
131911
141911
152011
162011
172012
182012
192012
202012
212112
222113
232113
242113
252113
262213
272214
282214
292214
302214
312214

How May really feels in Sinŭiju

Once humidity and wind are folded in, May 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

May 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 May compares with the rest of the year at a glance. May is the 5th-warmest and 4th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25446
35446
45347
55248
65248
75149
85149
95149
105149
115149
125149
135149
145149
155347
165347
175347
185446
195446
205644
215644
225743
235743
245743
255743
265743
275743
285644
295644
305545
315446

Chance of precipitation in May

Any precipitation

Sinŭiju gets around 88 mm of rain over 8.1 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 26% and peaks near 28% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
126
227
327
427
528
628
728
828
928
1028
1128
1227
1327
1426
1526
1626
1725
1825
1925
2025
2124
2224
2324
2424
2524
2624
2724
2824
2924
3024
3124

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 78% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19820
29820
39820
49820
59730
69730
79640
89640
99550
109460
119370
129280
1389101
1488111
1586131
1684151
1782171
1880191
1977212
2074242
2172262
2269283
2366313
2463334
2560364
2657385
2753416
2850438
2946449
30434512
31394614

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 42 min at the start of May to 14 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over May. Sunrise moves from 5:49 AM to 5:21 AM, and sunset from 7:30 PM to 7:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:497:30
213.75:487:31
313.85:477:32
413.85:457:33
513.85:447:34
613.95:437:35
713.95:427:36
813.95:417:37
914.05:407:38
1014.05:387:39
1114.05:377:40
1214.15:367:41
1314.15:357:42
1414.15:347:43
1514.25:337:44
1614.25:327:45
1714.25:317:46
1814.35:307:47
1914.35:307:48
2014.35:297:49
2114.45:287:50
2214.45:277:51
2314.45:267:51
2414.45:267:52
2514.55:257:53
2614.55:247:54
2714.55:247:55
2814.55:237:56
2914.65:237:57
3014.65:227:57
3114.65:217:58

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.79 kWh/m² — the sunniest month for solar.

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 — May's 5.79 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.9Bright
215.9Bright
225.9Bright
236.0Bright
246.0Bright
256.0Bright
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.0Intense
316.0Intense
Planning a trip in May

Hazard calendar for Sinŭiju

In seasonPeak

In May, Sinŭiju sits inside its pacific typhoon 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 May a good time to visit Sinŭiju?

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

6.6
Sightseeing
3rd-best month of the year
3.3
Beach & pool
5th-best month of the year

May is a reasonable time to visit Sinŭiju for sightseeing.

What to pack for Sinŭiju in May

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

In May, Sinŭiju sees daytime highs around 20°C and nights near 11°C. Worth packing: rain gear and sun protection. About 8 days see rain.

rain gearsun protection

Sea temperature near Sinŭiju in May

The nearest coast averages about 13°C in May — 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 May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — 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 May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May 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
May 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).