Yangsan weather in May

In May, Yangsan sees average daytime highs of 22°C and overnight lows near 14°C, with 118 mm of rain across 7.9 wet days and about 13.8 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 24°C by the end. The sky is clear or mostly clear about 33% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 24 min at the start of May to 14 h 12 min by month's end. Set against the rest of the year, May is Yangsan's 8th-clearest and 11th-windiest month. For the whole year in context, see Yangsan's year-round climate.

Daytime high
22°
5th warmest
Overnight low
14°
8th coldest
Rainfall
118 mm
7.9 wet days
Daylight
13 h 54 min
5:24 AM – 7:16 PM
Cloud cover
59%
8th clearest
Wind
11 km/h
11th windiest
Solar energy
5.9 kWh/m²
Travel score
7.0
out of 10

Yangsan is a city in South Gyeongsang Province, South Korea.

Density
740/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 24°C by the end.

A typical May day in Yangsan reaches about 22°C in the afternoon and slips back to 14°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 26°C. Set against its neighbours, May runs about 4°C warmer than April and about 3°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12112
22112
32112
42112
52112
62112
72112
82213
92213
102213
112213
122213
132213
142213
152213
162214
172314
182314
192314
202314
212314
222314
232314
242315
252315
262415
272415
282415
292415
302415
312416

How May really feels in Yangsan

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.

Yangsan 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 / -1°304.20.49.91.2
Feb / 414.60.510.72.3
Mar14° / 797.40.511.74.2
Apr18° / 1117.8012.96.2
May22° / 14°1187.9013.87.0
Jun25° / 18°1599.2014.36.7
Jul28° / 22°24213.9014.15.3
Aug29° / 23°21113.4013.35.0
Sep26° / 19°1639.6012.26.7
Oct21° / 13°714.7011.17.6
Nov15° / 4850.110.15.5
Dec / 283.60.39.72.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24852
34852
44753
54753
64753
74753
84753
94654
104654
114654
124753
134753
144654
154654
164753
174753
184753
194753
204753
214753
224753
234753
244852
254753
264753
274753
284753
294753
304654
314654

Chance of precipitation in May

Any precipitation

Yangsan gets around 118 mm of rain over 7.9 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 (%)
126
226
327
427
527
627
727
827
927
1027
1127
1227
1327
1427
1527
1626
1726
1826
1926
2026
2125
2225
2325
2424
2524
2623
2723
2822
2922
3022
3122

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 63% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1801451
2791551
3781651
4761761
5761761
6751861
7731971
8731971
9722071
10722071
11712171
12712171
13702271
14682381
15682381
16662581
17652681
18632791
19622891
206128101
216029101
225830111
235731111
245532121
255333131
265234131
274935142
284636152
294437162
304138182
313939193

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 10 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
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 24 min at the start of May to 14 h 12 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 5:39 AM to 5:16 AM, and sunset from 7:03 PM to 7:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:397:03
213.45:387:04
313.55:377:05
413.55:367:06
513.55:347:07
613.65:337:08
713.65:327:08
813.65:317:09
913.75:317:10
1013.75:307:11
1113.75:297:12
1213.75:287:12
1313.85:277:13
1413.85:267:14
1513.85:257:15
1613.95:247:16
1713.95:247:17
1813.95:237:17
1913.95:227:18
2014.05:227:19
2114.05:217:20
2214.05:207:20
2314.05:207:21
2414.05:197:22
2514.15:187:23
2614.15:187:23
2714.15:177:24
2814.15:177:25
2914.15:177:25
3014.25:167:26
3114.25:167:27

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.9 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.67 kWh/m² to a high of 5.9 kWh/m² in May across the year — May's 5.9 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
206.0Bright
216.0Bright
226.0Intense
236.0Intense
246.0Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in May

Hazard calendar for Yangsan

In seasonPeak

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

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

Yangsan's rainy season runs April–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 Yangsan?

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

7.0
Sightseeing
2nd-best month of the year
5.1
Beach & pool
5th-best month of the year

May is one of the better times to visit Yangsan for general sightseeing.

What to pack for Yangsan in May

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

In May, Yangsan sees daytime highs around 22°C and nights near 14°C. Worth packing: light clothes and sun protection. About 8 days see rain.

light clothessun protection

Sea temperature near Yangsan in May

The nearest coast averages about 17°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 26 km away) is warmest in August at about 26°C and coldest in February near 14°C.

It's comfortable for a long swim from Jun 17 to Nov 7 — about 4.7 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb14Bracing
Mar14Bracing
Apr15Bracing
May17Cool
Jun20Refreshing
Jul23Refreshing
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec17Cool

UV index in Yangsan in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Yangsan peaks around August 18 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateAug 18UV 9Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5High
Apr7High
May8Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep9Very high
Oct5High
Nov4Moderate
Dec2Moderate

Air quality in Yangsan 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 Yangsan is worst in March — around 68 µg/m³ PM2.5 (unhealthy), about 1.6× the cleanest month (August, 42 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorPoorMar 2168 µg/m³Aug 1942 µg/m³
PM2.5 (µg/m³)Level
Jan52Poor
Feb58Unhealthy
Mar68Unhealthy
Apr66Unhealthy
May65Unhealthy
Jun55Poor
Jul46Poor
Aug42Poor
Sep44Poor
Oct50Poor
Nov58Unhealthy
Dec48Poor
Location & terrain

Where is Yangsan?

Yangsan sits at 35.3°N, 129.0°E, 6 m above sea level, in South Korea. The nearest listed city is Ungsang, 14 km away.

ChangwonNaesŏ

Topography around Yangsan

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

Within 3 km, the terrain around Yangsan has significant variations in elevation — a maximum elevation change of 492 m around an average of 100 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 946 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,204 m.

The land around Yangsan is covered by trees (54%) and artificial surfaces (36%) within 3 km, trees (74%) within 16 km, and trees (44%) and water (39%) within 80 km.

3 km
492 m
16 km
946 m
80 km
1,204 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Ungsang 14 km · Kimhae 18 km · Gijang 20 km · Busan 27 km · Miryang 31 km · Ulsan 34 km · Changwon 34 km · Naesŏ 48 km

South Korea travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
220 V · 60 Hz
Prices
≈ 57% of US
price level, 2025
GDP per capita
$36,227
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.5
per 100k, 2023
Road deaths
8.6
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 522
Religion
none 60%Protestant 17%Buddhist 16%Catholic 6%

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 Yangsan (35.342°, 129.0336°, 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).