Sariwŏn-si weather in May

In May, Sariwŏn-si sees average daytime highs of 23°C and overnight lows near 12°C, with 85 mm of rain across 7.6 wet days and about 14.1 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 25°C by the end. The sky is clear or mostly clear about 42% 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 30 min by month's end. Set against the rest of the year, May is Sariwŏn-si's 8th-clearest and 6th-windiest month. For the whole year in context, see Sariwŏn-si's year-round climate.

Daytime high
23°
5th warmest
Overnight low
12°
8th coldest
Rainfall
85 mm
7.6 wet days
Daylight
14 h 06 min
5:31 AM – 7:36 PM
Cloud cover
52%
8th clearest
Wind
10 km/h
6th windiest
Solar energy
5.86 kWh/m²
Travel score
7.2
out of 10

Sariwŏn-si is city in North Hwanghae Province, North Korea.

Density
1,650/km²
people per km²

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 21°C in the first days to 25°C by the end.

A typical May day in Sariwŏn-si reaches about 23°C in the afternoon and slips back to 12°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 27°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)
1209
2219
32110
42110
52110
62110
72110
82211
92211
102211
112211
122211
132211
142212
152312
162312
172312
182312
192312
202413
212413
222413
232413
242413
252414
262514
272514
282514
292514
302514
312515

How May really feels in Sariwŏn-si

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.

Sariwŏn-si 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 / -8°1332.59.60.0
Feb / -6°183.72.110.50.1
Mar10° / -1°274.6111.72.4
Apr17° / 496.50.1135.9
May23° / 12°857.6014.17.2
Jun27° / 17°999.3014.66.5
Jul28° / 22°24515.3014.45.0
Aug29° / 22°21214013.55.0
Sep25° / 16°896.6012.37.3
Oct19° / 405.40116.9
Nov10° / 406.60.89.92.6
Dec / -5°204.62.39.40.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25446
35347
45347
55248
65248
75248
85248
95248
105248
115248
125248
135248
145347
155347
165347
175446
185347
195446
205446
215545
225545
235644
245545
255545
265545
275545
285446
295446
305347
315347

Chance of precipitation in May

Any precipitation

Sariwŏn-si gets around 85 mm of rain over 7.6 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 25% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
125
225
325
425
526
626
726
826
926
1026
1127
1227
1327
1427
1527
1626
1726
1826
1926
2025
2125
2224
2324
2423
2522
2622
2721
2821
2921
3020
3120

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 75% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
193700
292800
392800
491900
5901000
6901000
7891100
8891100
9881200
10881200
11861310
12861310
13851410
14831610
15821710
16801820
17782020
18772120
19742330
20722530
21702640
22672850
23653050
24623260
25603370
26573580
27553690
285238100
294939120
304640140
314340161

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 9 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
511calm
611calm
711calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 36 min at the start of May to 14 h 30 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 5:47 AM to 5:21 AM, and sunset from 7:22 PM to 7:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:477:22
213.65:457:23
313.75:447:24
413.75:437:25
513.75:427:26
613.85:417:26
713.85:407:27
813.85:397:28
913.95:377:29
1013.95:367:30
1113.95:357:31
1214.05:347:32
1314.05:337:33
1414.05:327:34
1514.15:327:35
1614.15:317:36
1714.15:307:37
1814.15:297:38
1914.25:287:38
2014.25:277:39
2114.25:277:40
2214.35:267:41
2314.35:257:42
2414.35:247:43
2514.35:247:44
2614.45:237:44
2714.45:237:45
2814.45:227:46
2914.45:217:47
3014.45:217:47
3114.55:217:48

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.86 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.22 kWh/m² to a high of 5.86 kWh/m² in May across the year — May's 5.86 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.9Bright
195.9Bright
205.9Bright
216.0Bright
226.0Bright
236.0Intense
246.0Intense
256.0Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in May

Hazard calendar for Sariwŏn-si

In seasonPeak

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

Sariwŏn-si sits in the Pacific typhoon belt; the season peaks July–October.

Sariwŏn-si'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 Sariwŏn-si?

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

7.2
Sightseeing
2nd-best month of the year
5.4
Beach & pool
5th-best month of the year

May is one of the better times to visit Sariwŏn-si for general sightseeing.

What to pack for Sariwŏn-si in May

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

In May, Sariwŏn-si sees daytime highs around 23°C and nights near 12°C. Worth packing: light clothes and sun protection. About 8 days see rain.

light clothessun protection

Sea temperature near Sariwŏn-si 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 68 km away) is warmest in August at about 23°C and coldest in February near 1°C.

It's comfortable for a long swim from Jul 13 to Oct 8 — about 2.9 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan3Bracing
Feb1Bracing
Mar3Bracing
Apr7Bracing
May11Bracing
Jun16Cool
Jul21Refreshing
Aug23Refreshing
Sep22Refreshing
Oct19Cool
Nov14Bracing
Dec8Bracing

UV index in Sariwŏn-si 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 Sariwŏn-si 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 19 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 19UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May7High
Jun6High
Jul8Very high
Aug8Very high
Sep7Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Sariwŏn-si 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 Sariwŏn-si 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 Sariwŏn-si?

Sariwŏn-si sits at 38.5°N, 125.8°E, 20 m above sea level, in North Korea. The nearest listed city is Chaeryŏng-ŭp, 17 km away.

Topography around Sariwŏn-si

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

Within 3 km, the terrain around Sariwŏn-si has only modest variations in elevation — a maximum elevation change of 156 m around an average of 31 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 598 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,346 m.

The land around Sariwŏn-si is covered by cropland (51%) and artificial surfaces (38%) within 3 km, cropland (66%) and trees (21%) within 16 km, and cropland (46%) and trees (32%) within 80 km.

3 km
156 m
16 km
598 m
80 km
1,346 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Chaeryŏng-ŭp 17 km · Hwangju-ŭp 18 km · Anak 23 km · Ayang-ni 29 km · Sinch’ŏn-ŭp 29 km · Ŭnch’ŏn-ŭp 29 km · Songnim-ni 30 km · Sinwŏn-ŭp 30 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 Sariwŏn-si (38.5072°, 125.7558°, elevation 20 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).