Goseong weather in May

In May, Goseong sees average daytime highs of 22°C and overnight lows near 16°C, with 110 mm of rain across 7.4 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 35% 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 Goseong's 8th-clearest and 5th-windiest month. For the whole year in context, see Goseong's year-round climate.

Daytime high
22°
5th warmest
Overnight low
16°
8th coldest
Rainfall
110 mm
7.4 wet days
Daylight
13 h 48 min
5:28 AM – 7:18 PM
Cloud cover
58%
8th clearest
Wind
10 km/h
5th windiest
Solar energy
5.87 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 Goseong reaches about 22°C in the afternoon and slips back to 16°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 25°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)
12014
22014
32114
42114
52115
62115
72115
82115
92115
102115
112215
122215
132216
142216
152216
162216
172216
182216
192316
202316
212317
222317
232317
242317
252317
262317
272317
282418
292418
302418
312418

How May really feels in Goseong

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.

Goseong 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 / -2°273.60.69.90.8
Feb / 374.50.510.71.8
Mar13° / 726.90.311.73.8
Apr18° / 11°1048012.96.1
May22° / 16°1107.4013.87.0
Jun25° / 20°1579.1014.36.7
Jul28° / 24°23013.7014.15.3
Aug29° / 24°20214.3013.34.8
Sep26° / 20°1569.1012.26.8
Oct21° / 14°644.4011.17.6
Nov15° / 444.9010.25.2
Dec / 253.30.19.72.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% 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 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
24852
34852
44852
54852
64753
74753
84753
94654
104654
114753
124654
134654
144654
154753
164654
174654
184654
194654
204654
214654
224654
234654
244654
254654
264654
274753
284654
294654
304555
314555

Chance of precipitation in May

Any precipitation

Goseong gets around 110 mm of rain over 7.4 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 27% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
127
227
327
427
527
627
727
827
927
1026
1126
1226
1326
1425
1525
1625
1724
1824
1924
2023
2123
2223
2322
2422
2522
2621
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 39% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16425101
26226111
36126121
45927131
55728141
65728141
75529151
85429161
95230162
105131162
115032172
124833172
134634182
144435182
154236192
164037202
173838212
183639222
193440233
203241243
212941263
222742274
232542284
242342304
252142315
261942336
271841356
281640377
291439388
301338409
3111364111

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
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
309calm
319calm

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 5:42 AM to 5:19 AM, and sunset from 7:06 PM to 7:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:427:06
213.45:417:06
313.55:407:07
413.55:397:08
513.55:387:09
613.55:377:10
713.65:367:11
813.65:357:11
913.65:347:12
1013.75:337:13
1113.75:327:14
1213.75:317:15
1313.75:317:15
1413.85:307:16
1513.85:297:17
1613.85:287:18
1713.95:277:19
1813.95:277:19
1913.95:267:20
2013.95:257:21
2114.05:257:22
2214.05:247:22
2314.05:237:23
2414.05:237:24
2514.05:227:25
2614.15:227:25
2714.15:217:26
2814.15:217:27
2914.15:207:27
3014.15:207:28
3114.25:197:29

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.87 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.7 kWh/m² to a high of 5.87 kWh/m² in May across the year — May's 5.87 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
105.7Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
216.0Bright
226.0Bright
236.0Bright
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.0Intense
316.0Intense
Planning a trip in May

Hazard calendar for Goseong

In seasonPeak

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

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

Goseong'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 Goseong?

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

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

What to pack for Goseong in May

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

In May, Goseong sees daytime highs around 22°C and nights near 16°C. Worth packing: light clothes and sun protection. About 7 days see rain.

light clothessun protection

Sea temperature near Goseong 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 13°C.

It's comfortable for a long swim from Jun 18 to Oct 29 — about 4.4 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr14Bracing
May16Cool
Jun20Cool
Jul23Refreshing
Aug26Warm
Sep24Warm
Oct21Refreshing
Nov18Cool
Dec16Cool

UV index in Goseong 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 Goseong peaks around August 19 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 19UV 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 Goseong 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 Goseong is worst in March — around 51 µg/m³ PM2.5 (poor), about 1.8× the cleanest month (August, 29 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorMar 2051 µg/m³Aug 1029 µg/m³
PM2.5 (µg/m³)Level
Jan38Poor
Feb43Poor
Mar51Poor
Apr49Poor
May43Poor
Jun38Poor
Jul29Moderate
Aug29Moderate
Sep33Moderate
Oct36Poor
Nov40Poor
Dec35Moderate
Location & terrain

Where is Goseong?

Goseong sits at 35.0°N, 128.3°E, 14 m above sea level, in South Korea. The nearest listed city is Tongyeong, 17 km away.

NaesŏGeojeChangwonHadong

Topography around Goseong

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

Within 3 km, the terrain around Goseong has only modest variations in elevation — a maximum elevation change of 171 m around an average of 25 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 639 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,875 m.

The land around Goseong is covered by cropland (39%) and trees (31%) within 3 km, trees (55%) and water (28%) within 16 km, and water (44%) and trees (43%) within 80 km.

3 km
171 m
16 km
639 m
80 km
1,875 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Tongyeong 17 km · Kyosai 28 km · Sinhyeon 30 km · Chinju 32 km · Naesŏ 35 km · Geoje 39 km · Changwon 43 km · Hadong 53 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 Goseong (34.9763°, 128.3236°, elevation 14 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).