Tongyeong weather in May

In May, Tongyeong sees average daytime highs of 17°C and overnight lows near 15°C, with 140 mm of rain across 8.2 wet days and about 13.8 hours of daylight. It is the 6th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 19°C by the end. The sky is clear or mostly clear about 38% of the time in May, and the air most often feels comfortable.

Daylight stretches from about 13 h 24 min at the start of May to 14 h 06 min by month's end. Set against the rest of the year, May is Tongyeong's 9th-clearest and 11th-windiest month. For the whole year in context, see Tongyeong's year-round climate.

Daytime high
17°
6th warmest
Overnight low
15°
7th coldest
Rainfall
140 mm
8.2 wet days
Daylight
13 h 48 min
5:28 AM – 7:17 PM
Cloud cover
56%
9th clearest
Wind
19 km/h
11th windiest
Solar energy
5.92 kWh/m²
Travel score
5.8
out of 10

Tongyeong is city in South Korea.

Density
299/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 16°C in the first days to 19°C by the end.

A typical May day in Tongyeong reaches about 17°C in the afternoon and slips back to 15°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 19°C. Set against its neighbours, May runs about 3°C warmer than April and about 3°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11614
21614
31614
41614
51614
61614
71614
81615
91615
101715
111715
121715
131715
141715
151715
161715
171716
181716
191816
201816
211816
221816
231816
241816
251816
261817
271817
281917
291917
301917
311917

How May really feels in Tongyeong

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.

Tongyeong weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan / 404.69.91.2
Feb / 505.510.71.7
Mar11° / 977.911.72.9
Apr14° / 12°1338.512.94.3
May17° / 15°1408.213.85.8
Jun20° / 19°1859.614.36.2
Jul24° / 23°25412.514.16.4
Aug26° / 25°19812.213.36.4
Sep24° / 22°1748.912.27.0
Oct20° / 17°75511.17.2
Nov15° / 11°575.510.25.1
Dec / 374.39.72.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% 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 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35347
45248
55248
65248
75149
85050
95050
105050
114951
124951
134951
144852
154852
164852
174753
184753
194753
204852
214852
224852
234852
244852
254951
264951
274951
284951
294951
304951
314951

Chance of precipitation in May

Any precipitation

Tongyeong gets around 140 mm of rain over 8.2 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 29% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
329
429
529
629
729
829
929
1029
1129
1229
1329
1428
1528
1628
1727
1827
1926
2026
2125
2225
2324
2424
2523
2623
2723
2822
2922
3022
3122

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the comfortable band about 48% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1653230
2623440
3603640
4593740
5563950
6554050
7534160
8514360
9504470
10484570
11464680
12444880
13424990
143951100
153752110
163454120
173254140
182955160
192756170
202556190
212356210
222156230
231956250
241756270
251654300
261454320
271352350
281250381
291048411
30946431
31844462

Wind in May

Winds average 19 km/h in May.

Across May, daily wind ranges from about 18 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
121breezy
221breezy
321breezy
421breezy
521breezy
620breezy
720breezy
820breezy
920breezy
1020breezy
1120breezy
1220breezy
1320light breeze
1420light breeze
1520light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 24 min at the start of May to 14 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over May. Sunrise moves from 5:42 AM to 5:19 AM, and sunset from 7:05 PM to 7:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:427:05
213.45:417:06
313.45:407:07
413.55:397:07
513.55:387:08
613.55:377:09
713.65:367:10
813.65:357:11
913.65:347:12
1013.75:337:12
1113.75:327:13
1213.75:317:14
1313.75:307:15
1413.85:307:16
1513.85:297:16
1613.85:287:17
1713.85:277:18
1813.95:267:19
1913.95:267:19
2013.95:257:20
2113.95:247:21
2214.05:247:22
2314.05:237:22
2414.05:237:23
2514.05:227:24
2614.15:227:25
2714.15:217:25
2814.15:217:26
2914.15:207:27
3014.15:207:27
3114.15:197:28

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.92 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.66 kWh/m² to a high of 5.92 kWh/m² in May across the year — May's 5.92 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
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
196.0Bright
206.0Bright
216.0Intense
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 Tongyeong

In seasonPeak

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

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

Tongyeong'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 Tongyeong?

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

5.8
Sightseeing
6th-best month of the year
1.5
Beach & pool
6th-best month of the year

May is a reasonable time to visit Tongyeong for sightseeing.

What to pack for Tongyeong in May

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

In May, Tongyeong sees daytime highs around 17°C and nights near 15°C. Worth packing: rain gear and sun protection. About 8 days see rain.

rain gearsun protection

Sea temperature near Tongyeong 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 25 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 Tongyeong 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 Tongyeong 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 Tongyeong 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 Tongyeong is worst in March — around 39 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (September, 18 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 2439 µg/m³Sep 2018 µg/m³
PM2.5 (µg/m³)Level
Jan25Moderate
Feb30Moderate
Mar39Poor
Apr39Poor
May36Poor
Jun28Moderate
Jul22Moderate
Aug21Moderate
Sep18Moderate
Oct19Moderate
Nov23Moderate
Dec21Moderate
Location & terrain

Where is Tongyeong?

Tongyeong sits at 34.8°N, 128.4°E, 28 m above sea level, in South Korea. The nearest listed city is Kyosai, 15 km away.

NaesŏChangwonChinjuKimhae

Topography around Tongyeong

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

Within 3 km, the terrain around Tongyeong has only modest variations in elevation — a maximum elevation change of 236 m around an average of 33 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 1,257 m.

The land around Tongyeong is covered by trees (38%), water (32%) and artificial surfaces (24%) within 3 km, water (58%) and trees (32%) within 16 km, and water (53%) and trees (35%) within 80 km.

3 km
236 m
16 km
639 m
80 km
1,257 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Kyosai 15 km · Goseong 17 km · Sinhyeon 19 km · Geoje 26 km · Naesŏ 45 km · Changwon 48 km · Chinju 49 km · Kimhae 59 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 Tongyeong (34.8496°, 128.4278°, elevation 28 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).