Changyŏn weather in May

In May, Changyŏn sees average daytime highs of 16°C and overnight lows near 11°C, with 89 mm of rain across 7.2 wet days and about 14 hours of daylight. It is the 6th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 14°C in the first days to 18°C by the end. The sky is clear or mostly clear about 43% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 36 min at the start of May to 14 h 24 min by month's end. Set against the rest of the year, May is Changyŏn's 5th-clearest and 8th-windiest month. For the whole year in context, see Changyŏn's year-round climate.

Daytime high
16°
6th warmest
Overnight low
11°
7th coldest
Rainfall
89 mm
7.2 wet days
Daylight
14 h 06 min
5:34 AM – 7:38 PM
Cloud cover
50%
5th clearest
Wind
15 km/h
8th windiest
Solar energy
6.01 kWh/m²
Travel score
5.3
out of 10

Changyŏn is human settlement in North Korea.

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 14°C in the first days to 18°C by the end.

A typical May day in Changyŏn reaches about 16°C in the afternoon and slips back to 11°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 18°C. Set against its neighbours, May runs about 5°C warmer than April and about 5°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1139
2149
3149
41410
51410
61410
71410
81410
91510
101510
111511
121511
131511
141511
151511
161611
171612
181612
191612
201612
211612
221712
231713
241713
251713
261713
271813
281814
291814
301814
311814

How May really feels in Changyŏn

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.

Changyŏn weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°184.84.29.60.0
Feb / -2°203.82.310.50.0
Mar / 264.5111.70.6
Apr11° / 506.10.1133.0
May16° / 11°897.20145.3
Jun21° / 17°877.7014.66.7
Jul24° / 21°23413014.46.3
Aug25° / 22°19411.8013.56.5
Sep23° / 18°876.2012.37.4
Oct17° / 13°415.70116.3
Nov10° / 518.319.92.5
Dec / -0°317.84.69.40.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 11% of May, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35446
45347
55347
65347
75347
85347
95347
105446
115347
125347
135347
145446
155446
165446
175446
185545
195545
205545
215545
225545
235545
245545
255545
265545
275446
285446
295446
305347
315248

Chance of precipitation in May

Any precipitation

Changyŏn gets around 89 mm of rain over 7.2 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 23% and peaks near 26% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
125
225
325
425
526
626
726
826
926
1025
1125
1225
1325
1424
1524
1624
1724
1823
1923
2023
2122
2222
2322
2421
2521
2620
2720
2820
2919
3019
3119

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 88% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
110000
210000
310000
410000
510000
610000
710000
89910
99910
109910
119910
129820
139820
149730
159640
169550
179460
189370
199190
2089110
2187130
2285150
2383170
2480191
2577221
2674251
2770282
2866322
2962353
3058384
3153416

Wind in May

Winds average 15 km/h in May.

Across May, daily wind ranges from about 13 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3013light breeze
3113light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 36 min at the start of May to 14 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over May. Sunrise moves from 5:50 AM to 5:24 AM, and sunset from 7:24 PM to 7:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:507:24
213.65:497:25
313.65:477:26
413.75:467:27
513.75:457:28
613.75:447:29
713.85:437:30
813.85:427:31
913.85:417:31
1013.95:407:32
1113.95:397:33
1213.95:387:34
1314.05:377:35
1414.05:367:36
1514.05:357:37
1614.15:347:38
1714.15:337:39
1814.15:327:40
1914.25:317:41
2014.25:317:41
2114.25:307:42
2214.25:297:43
2314.35:287:44
2414.35:287:45
2514.35:277:46
2614.35:267:46
2714.45:267:47
2814.45:257:48
2914.45:257:49
3014.45:247:49
3114.45:247:50

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.01 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.99 kWh/m² to a high of 6.01 kWh/m² in May across the year — May's 6.01 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
156.0Bright
166.0Bright
176.0Intense
186.0Intense
196.0Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
316.2Intense
Planning a trip in May

Hazard calendar for Changyŏn

In seasonPeak

In May, Changyŏn sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

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

Changyŏn'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 May a good time to visit Changyŏn?

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

5.3
Sightseeing
6th-best month of the year
0.8
Beach & pool
6th-best month of the year

May is a reasonable time to visit Changyŏn for sightseeing.

What to pack for Changyŏn in May

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

In May, Changyŏn sees daytime highs around 16°C and nights near 11°C. Pack sun protection. Worth having: a warm layer. About 7 days see rain.

sun protectiona warm layer

Sea temperature near Changyŏn in May

The nearest coast averages about 11°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 24 km away) is warmest in August at about 22°C and coldest in February near 4°C.

It's comfortable for a long swim from Jul 15 to Sep 29 — about 2.5 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan6Bracing
Feb4Bracing
Mar5Bracing
Apr7Bracing
May11Bracing
Jun16Cool
Jul20Refreshing
Aug22Refreshing
Sep21Refreshing
Oct18Cool
Nov15Bracing
Dec10Bracing

UV index in Changyŏn in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Changyŏn peaks around August 13 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 20 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 highHighModerateLowAug 13UV 8Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May7High
Jun6High
Jul8Very high
Aug8Very high
Sep7High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Changyŏn 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 Changyŏn is worst in November — around 82 µg/m³ PM2.5 (unhealthy), about 2.1× the cleanest month (July, 40 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyNov 1981 µg/m³Jul 2240 µg/m³
PM2.5 (µg/m³)Level
Jan80Unhealthy
Feb78Unhealthy
Mar80Unhealthy
Apr66Unhealthy
May54Poor
Jun46Poor
Jul40Poor
Aug41Poor
Sep58Unhealthy
Oct72Unhealthy
Nov82Unhealthy
Dec77Unhealthy
Location & terrain

Where is Changyŏn?

Changyŏn sits at 38.3°N, 125.1°E, 21 m above sea level, in North Korea. The nearest listed city is Songhwa, 13 km away.

Sinch’ŏn-ŭpOngjinAnak

Topography around Changyŏn

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

Within 3 km, the terrain around Changyŏn has only modest variations in elevation — a maximum elevation change of 128 m around an average of 36 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 581 m; within 80 km, large variations in elevation — a maximum elevation change of 1,030 m.

The land around Changyŏn is covered by cropland (65%) within 3 km, trees (48%) and cropland (41%) within 16 km, and water (52%) and cropland (27%) within 80 km.

3 km
128 m
16 km
581 m
80 km
1,030 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Songhwa 13 km · Kwail-ŭp 23 km · Samch’ŏn 23 km · T’aet’an-ŭp 25 km · Ŭllyul 30 km · Sinch’ŏn-ŭp 36 km · Ongjin 42 km · Anak 45 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 Changyŏn (38.2508°, 125.0961°, elevation 21 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).