Kwangyang weather in May

In May, Kwangyang sees average daytime highs of 23°C and overnight lows near 13°C, with 139 mm of rain across 8.3 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 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 Kwangyang's 8th-clearest and 6th-windiest month. For the whole year in context, see Kwangyang's year-round climate.

Daytime high
23°
5th warmest
Overnight low
13°
8th coldest
Rainfall
139 mm
8.3 wet days
Daylight
13 h 48 min
5:31 AM – 7:21 PM
Cloud cover
59%
8th clearest
Wind
8 km/h
6th windiest
Solar energy
5.76 kWh/m²
Travel score
7.0
out of 10

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 Kwangyang reaches about 23°C in the afternoon and slips back to 13°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 27°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)
12110
22111
32111
42111
52111
62211
72212
82212
92212
102212
112212
122212
132212
142313
152313
162313
172313
182313
192313
202313
212314
222414
232414
242414
252414
262414
272415
282415
292415
302515
312515

How May really feels in Kwangyang

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.

Kwangyang 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°294.119.90.2
Feb / -2°424.80.810.71.4
Mar13° / 797.50.711.73.8
Apr18° / 1208.4012.96.2
May23° / 13°1398.3013.87.0
Jun26° / 18°19410.7014.36.3
Jul28° / 22°32117.9014.14.7
Aug29° / 22°28817.1013.34.6
Sep26° / 17°16010.3012.26.6
Oct21° / 10°664.7011.17.5
Nov14° / 475.50.110.24.8
Dec / -2°283.80.69.71.5

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 12% of May, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25050
34951
44951
54852
64852
74753
84654
94555
104456
114456
124456
134456
144357
154357
164357
174357
184357
194456
204456
214456
224555
234555
244555
254654
264654
274654
284654
294753
304654
314555

Chance of precipitation in May

Any precipitation

Kwangyang gets around 139 mm of rain over 8.3 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 27% and peaks near 30% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
128
229
329
430
530
630
730
830
930
1030
1130
1229
1329
1429
1528
1628
1727
1827
1926
2026
2125
2225
2324
2424
2523
2623
2723
2823
2923
3023
3124

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 60% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1771661
2751771
3751771
4731881
5721981
6721981
7712081
8712081
9712081
10702181
11702181
12692281
13692281
14682381
15662491
16652591
176425101
186326101
196127111
206028111
215829121
225531131
235232142
245033152
254834162
264535172
274236193
283937213
293638233
303338254
313039275

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 7 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
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
317calm

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 5:45 AM to 5:22 AM, and sunset from 7:09 PM to 7:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:457:09
213.45:447:09
313.55:437:10
413.55:427:11
513.55:417:12
613.55:407:13
713.65:397:13
813.65:387:14
913.65:377:15
1013.75:367:16
1113.75:357:17
1213.75:347:18
1313.75:337:18
1413.85:337:19
1513.85:327:20
1613.85:317:21
1713.95:307:22
1813.95:307:22
1913.95:297:23
2013.95:287:24
2114.05:277:25
2214.05:277:25
2314.05:267:26
2414.05:267:27
2514.05:257:28
2614.15:257:28
2714.15:247:29
2814.15:247:30
2914.15:237:30
3014.15:237:31
3114.25:227:32

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.76 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.59 kWh/m² to a high of 5.76 kWh/m² in May across the year — May's 5.76 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in May

Hazard calendar for Kwangyang

In seasonPeak

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

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

Kwangyang'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 Kwangyang?

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
5.3
Beach & pool
5th-best month of the year

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

What to pack for Kwangyang in May

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

In May, Kwangyang sees daytime highs around 23°C and nights near 13°C. Worth packing: light clothes, rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

Sea temperature near Kwangyang in May

The nearest coast averages about 16°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 39 km away) is warmest in August at about 26°C and coldest in February near 12°C.

It's comfortable for a long swim from Jun 20 to Oct 22 — about 4.1 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb12Bracing
Mar12Bracing
Apr13Bracing
May16Cool
Jun20Cool
Jul23Refreshing
Aug26Warm
Sep24Warm
Oct21Refreshing
Nov17Cool
Dec14Bracing

UV index in Kwangyang 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 Kwangyang peaks around August 20 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 highModerateAug 20UV 9Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar6High
Apr7High
May8Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep9Very high
Oct5High
Nov4Moderate
Dec2Moderate

Air quality in Kwangyang 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 Kwangyang is worst in March — around 57 µg/m³ PM2.5 (unhealthy), about 2.0× the cleanest month (July, 28 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorPoorModeratePoorMar 1856 µg/m³Jul 2229 µg/m³
PM2.5 (µg/m³)Level
Jan42Poor
Feb47Poor
Mar57Unhealthy
Apr49Poor
May42Poor
Jun38Poor
Jul28Moderate
Aug30Moderate
Sep37Poor
Oct40Poor
Nov44Poor
Dec39Poor
Location & terrain

Where is Kwangyang?

Kwangyang sits at 35.0°N, 127.6°E, 16 m above sea level, in South Korea. The nearest listed city is Suncheon, 10 km away.

ChinjuBoseong

Topography around Kwangyang

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

Within 3 km, the terrain around Kwangyang has significant variations in elevation — a maximum elevation change of 319 m around an average of 58 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,211 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,875 m.

The land around Kwangyang is covered by trees (47%) and artificial surfaces (24%) within 3 km, trees (64%) within 16 km, and trees (56%) and water (29%) within 80 km.

3 km
319 m
16 km
1,211 m
80 km
1,875 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Suncheon 10 km · Gwangyang 10 km · Hadong 18 km · Yeosu 25 km · Beolgyo 27 km · Kurye 28 km · Chinju 51 km · Boseong 52 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 Kwangyang (34.9753°, 127.5892°, 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).