Hayang weather in May

In May, Hayang sees average daytime highs of 24°C and overnight lows near 13°C, with 88 mm of rain across 7.5 wet days and about 13.9 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 22°C in the first days to 26°C by the end. The sky is clear or mostly clear about 34% 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 Hayang's 8th-clearest and 6th-windiest month. For the whole year in context, see Hayang's year-round climate.

Daytime high
24°
5th warmest
Overnight low
13°
8th coldest
Rainfall
88 mm
7.5 wet days
Daylight
13 h 54 min
5:24 AM – 7:18 PM
Cloud cover
57%
8th clearest
Wind
9 km/h
6th windiest
Solar energy
5.82 kWh/m²
Travel score
7.2
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 22°C in the first days to 26°C by the end.

A typical May day in Hayang reaches about 24°C in the afternoon and slips back to 13°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 29°C. Set against its neighbours, May runs about 5°C warmer than April and about 3°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12210
22211
32311
42311
52311
62311
72311
82312
92312
102312
112312
122412
132412
142412
152413
162413
172413
182413
192513
202513
212514
222514
232514
242514
252614
262614
272614
282615
292615
302615
312615

How May really feels in Hayang

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.

Hayang 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°223.61.59.80.0
Feb / -2°293.91.110.61.2
Mar13° / 576.71.211.73.9
Apr19° / 777.20.112.96.5
May24° / 13°887.5013.97.2
Jun27° / 18°1238.7014.46.4
Jul29° / 22°20513.6014.24.9
Aug30° / 22°19013.6013.44.7
Sep25° / 17°1358.7012.26.8
Oct20° / 10°554.4011.17.4
Nov13° / 354.50.110.14.4
Dec / -2°213.70.89.60.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25050
34852
44852
54753
64753
74753
84852
94753
104654
114753
124654
134852
144753
154852
164951
174852
184951
194951
204951
215050
225050
235050
245050
255050
265050
274951
284951
294753
304753
314753

Chance of precipitation in May

Any precipitation

Hayang gets around 88 mm of rain over 7.5 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 24% and peaks near 26% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
125
226
326
426
526
626
726
826
926
1026
1126
1226
1326
1425
1525
1625
1724
1824
1924
2023
2123
2223
2323
2422
2522
2622
2721
2821
2921
3021
3121

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 81% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
190811
289911
388921
4871021
5871021
6861121
7861121
8851221
9851221
10841231
11841231
12831331
13831331
14841330
15841330
16841330
17831430
18821440
19821440
20811540
21811540
22811540
23791650
24791650
25781750
26771850
27761950
28732160
29722260
30692470
31682570

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

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 5:15 AM, and sunset from 7:05 PM to 7:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:397:05
213.55:387:06
313.55:377:07
413.55:357:08
513.65:347:09
613.65:337:09
713.65:327:10
813.75:317:11
913.75:307:12
1013.75:297:13
1113.85:287:14
1213.85:287:14
1313.85:277:15
1413.85:267:16
1513.95:257:17
1613.95:247:18
1713.95:237:19
1813.95:237:19
1914.05:227:20
2014.05:217:21
2114.05:207:22
2214.05:207:23
2314.15:197:23
2414.15:197:24
2514.15:187:25
2614.15:177:26
2714.25:177:26
2814.25:167:27
2914.25:167:28
3014.25:167:28
3114.25:157:29

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.82 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.57 kWh/m² to a high of 5.82 kWh/m² in May across the year — May's 5.82 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
65.6Bright
75.6Bright
85.6Bright
95.7Bright
105.7Bright
115.7Bright
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
266.0Bright
276.0Intense
286.0Intense
296.0Intense
306.0Intense
316.0Bright
Planning a trip in May

Hazard calendar for Hayang

In seasonPeak

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

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

Hayang's rainy season runs June–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 Hayang?

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
6.1
Beach & pool
4th-best month of the year

May is one of the better times to visit Hayang for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Hayang in May

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

In May, Hayang sees daytime highs around 24°C and nights near 13°C. Worth packing: light clothes and sun protection. About 8 days see rain.

light clothessun protection

UV index in Hayang in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Hayang peaks around August 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 highHighModerateAug 15UV 9Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5Moderate
Apr7High
May8Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Hayang 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 Hayang is worst in March — around 66 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (August, 34 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorPoorMar 1865 µg/m³Aug 1535 µg/m³
PM2.5 (µg/m³)Level
Jan51Poor
Feb57Unhealthy
Mar66Unhealthy
Apr60Unhealthy
May55Poor
Jun47Poor
Jul37Poor
Aug34Moderate
Sep39Poor
Oct47Poor
Nov56Unhealthy
Dec47Poor
Location & terrain

Where is Hayang?

Hayang sits at 35.9°N, 128.8°E, 57 m above sea level, in South Korea. The nearest listed city is Eisen, 12 km away.

GyeongjuWaegwanKunwiYeonil

Topography around Hayang

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

Within 3 km, the terrain around Hayang has significant variations in elevation — a maximum elevation change of 263 m around an average of 79 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,147 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,396 m.

The land around Hayang is covered by cropland (34%), trees (25%) and artificial surfaces (24%) within 3 km, trees (57%) and cropland (21%) within 16 km, and trees (68%) within 80 km.

3 km
263 m
16 km
1,147 m
80 km
1,396 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Eisen 12 km · Gyeongsan-si 12 km · Daegu 21 km · Hwawŏn 31 km · Gyeongju 36 km · Waegwan 39 km · Kunwi 42 km · Yeonil 46 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 Hayang (35.9133°, 128.82°, elevation 57 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). 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).