Rajin weather in May

In May, Rajin sees average daytime highs of 16°C and overnight lows near 8°C, with 85 mm of precipitation across 11.8 wet days and about 14.4 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 18°C by the end. The sky is clear or mostly clear about 24% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 48 min at the start of May to 14 h 48 min by month's end. Set against the rest of the year, May is Rajin's 9th-clearest and 9th-windiest month. For the whole year in context, see Rajin's year-round climate.

Daytime high
16°
5th warmest
Overnight low
8th coldest
Precipitation
85 mm
11.8 wet days
Daylight
14 h 24 min
5:03 AM – 7:27 PM
Cloud cover
65%
9th clearest
Wind
8 km/h
9th windiest
Solar energy
5.32 kWh/m²
Travel score
5.0
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 15°C in the first days to 18°C by the end.

A typical May day in Rajin reaches about 16°C in the afternoon and slips back to 8°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 22°C. Set against its neighbours, May runs about 5°C warmer than April and about 4°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1156
2156
3156
4156
5156
6157
7157
8157
9157
10167
11167
12168
13168
14168
15168
16168
17178
18179
19179
20179
21179
22179
23179
241810
251810
261810
271810
281810
291810
301811
311811

How May really feels in Rajin

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.

Rajin weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-4° / -12°152.52.99.30.0
Feb-1° / -10°142.52.810.30.0
Mar / -4°254.83.511.60.4
Apr12° / 4471.813.13.1
May16° / 8511.80.214.45.0
Jun20° / 13°8811.10155.8
Jul23° / 18°15114014.86.0
Aug25° / 19°15014.5013.76.0
Sep21° / 13°877.9012.36.9
Oct15° / 445.90.410.85.1
Nov / -2°334.72.79.60.8
Dec-2° / -10°173.9490.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 18% of May, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34357
44357
54357
64357
74159
84159
94060
104060
114060
124060
134060
144060
154060
164060
174159
184159
194159
204159
214159
224159
234258
244357
254357
264357
274456
284357
294357
304456
314357

Chance of precipitation in May

Any precipitationSnow

Rajin gets around 85 mm of rain and snow over 11.8 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 37% and peaks near 39% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1332
2332
3342
4342
5352
6351
7361
8361
9361
10371
11371
12371
13371
14370
15370
16370
17380
18380
19380
20380
21390
22390
23390
24380
25380
26380
27370
28370
29360
30360
31350

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 97% 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
810000
910000
1010000
1110000
1210000
139910
149910
159910
169910
179910
189910
199910
209820
219820
229820
239730
249640
259640
269460
279370
289280
2990100
3088120
3185141

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 48 min at the start of May to 14 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over May. Sunrise moves from 5:22 AM to 4:51 AM, and sunset from 7:10 PM to 7:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:227:10
213.95:207:12
313.95:197:13
413.95:187:14
514.05:167:15
614.05:157:16
714.15:147:17
814.15:127:18
914.15:117:19
1014.25:107:20
1114.25:097:22
1214.25:087:23
1314.35:077:24
1414.35:057:25
1514.45:047:26
1614.45:037:27
1714.45:027:28
1814.55:017:29
1914.55:007:30
2014.55:007:31
2114.64:597:32
2214.64:587:33
2314.64:577:34
2414.64:567:35
2514.74:557:36
2614.74:557:37
2714.74:547:38
2814.84:537:38
2914.84:537:39
3014.84:527:40
3114.84:517:41

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.32 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2 kWh/m² to a high of 5.32 kWh/m² in May across the year — May's 5.32 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in May

Hazard calendar for Rajin

In seasonPeak

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

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

Rajin's rainy season runs May–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 May a good time to visit Rajin?

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

5.0
Sightseeing
6th-best month of the year
0.9
Beach & pool
5th-best month of the year

May is a reasonable time to visit Rajin for sightseeing.

What to pack for Rajin in May

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

In May, Rajin sees daytime highs around 16°C and nights near 8°C. Worth packing: a warm layer, rain gear and sun protection. About 12 days see rain.

a warm layerrain gearsun protection

Sea temperature near Rajin in May

The nearest coast averages about 9°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 16 km away) is warmest in August at about 22°C and coldest in February near 3°C.

It's comfortable for a long swim from Jul 31 to Sep 8 — about 1.3 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°C)Comfort
Jan3Bracing
Feb3Bracing
Mar3Bracing
Apr5Bracing
May9Bracing
Jun14Bracing
Jul19Cool
Aug22Refreshing
Sep20Cool
Oct16Cool
Nov11Bracing
Dec7Bracing

UV index in Rajin 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 Rajin peaks around August 19 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighModerateLowAug 19UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5Moderate
May7High
Jun7High
Jul5Moderate
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Rajin 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 Rajin is worst in March — around 41 µg/m³ PM2.5 (poor), about 4.2× the cleanest month (August, 10 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateGoodModerateMar 1840 µg/m³Aug 1610 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb34Moderate
Mar41Poor
Apr36Poor
May21Moderate
Jun11Good
Jul10Good
Aug10Good
Sep10Good
Oct14Moderate
Nov17Moderate
Dec16Moderate
Location & terrain

Where is Rajin?

Rajin sits at 42.3°N, 130.3°E, 16 m above sea level, in North Korea. The nearest listed city is Sŏnbong, 13 km away.

HoeryŏngPuryŏng-ŭpChongjinRanam

Topography around Rajin

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

Within 3 km, the terrain around Rajin has significant variations in elevation — a maximum elevation change of 454 m around an average of 64 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 905 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,748 m.

The land around Rajin is covered by trees (28%), cropland (26%) and artificial surfaces (23%) within 3 km, trees (51%) and water (35%) within 16 km, and trees (45%) and water (33%) within 80 km.

3 km
454 m
16 km
905 m
80 km
1,748 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Sŏnbong 13 km · Unggi 14 km · Ŭndŏk 30 km · Aoji-ri 31 km · Hoeryŏng 49 km · Puryŏng-ŭp 52 km · Chongjin 66 km · Ranam 78 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 Rajin (42.2556°, 130.2831°, elevation 16 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).