Pyeongtaek weather in May

In May, Pyeongtaek sees average daytime highs of 24°C and overnight lows near 13°C, with 84 mm of rain across 7.2 wet days and about 14 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 41% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 30 min at the start of May to 14 h 18 min by month's end. Set against the rest of the year, May is Pyeongtaek's 7th-clearest and 6th-windiest month. For the whole year in context, see Pyeongtaek's year-round climate.

Daytime high
24°
5th warmest
Overnight low
13°
8th coldest
Rainfall
84 mm
7.2 wet days
Daylight
14 hours
5:29 AM – 7:27 PM
Cloud cover
52%
7th clearest
Wind
10 km/h
6th windiest
Solar energy
5.87 kWh/m²
Travel score
7.3
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 Pyeongtaek reaches about 24°C in the afternoon and slips back to 13°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 28°C. Set against its neighbours, May runs about 6°C warmer than April and about 4°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12110
22210
32211
42211
52211
62211
72211
82211
92312
102312
112312
122312
132312
142312
152313
162313
172413
182413
192413
202413
212414
222414
232514
242514
252514
262514
272515
282515
292615
302615
312615

How May really feels in Pyeongtaek

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.

Pyeongtaek 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 / -5°214.12.49.70.0
Feb / -4°274.21.510.60.4
Mar11° / 416.31.111.73.1
Apr18° / 687012.96.2
May24° / 13°847.20147.3
Jun27° / 18°1197.8014.56.6
Jul29° / 22°26015.6014.34.7
Aug29° / 23°23215.1013.44.7
Sep26° / 17°1277.8012.37.0
Oct20° / 10°555.10117.2
Nov12° / 466.80.3103.6
Dec / -3°235.21.89.50.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25446
35347
45347
55248
65248
75248
85149
95149
105149
115149
125248
135248
145248
155347
165446
175446
185545
195545
205545
215644
225644
235644
245743
255743
265743
275644
285545
295545
305446
315248

Chance of precipitation in May

Any precipitation

Pyeongtaek gets around 84 mm of rain over 7.2 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 24% and peaks near 26% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
126
225
325
425
525
625
725
825
925
1025
1126
1226
1326
1426
1525
1625
1725
1825
1924
2024
2124
2223
2323
2422
2522
2621
2721
2820
2920
3020
3120

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 69% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
188930
2871030
3861130
4851230
5851230
6841330
7831430
8821530
9821530
10811630
11801730
12791830
13781930
14762040
15752140
16742240
17712450
18692560
19682660
20662770
21642880
22622981
23603091
245831101
255632111
265334121
275035141
284836151
294537171
304337191
314038211

Wind in May

Winds average 10 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
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 30 min at the start of May to 14 h 18 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 5:44 AM to 5:19 AM, and sunset from 7:14 PM to 7:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:447:14
213.55:437:15
313.65:427:16
413.65:407:16
513.65:397:17
613.75:387:18
713.75:377:19
813.75:367:20
913.85:357:21
1013.85:347:22
1113.85:337:23
1213.95:327:24
1313.95:317:24
1413.95:307:25
1513.95:307:26
1614.05:297:27
1714.05:287:28
1814.05:277:29
1914.15:267:30
2014.15:267:30
2114.15:257:31
2214.15:247:32
2314.25:247:33
2414.25:237:34
2514.25:227:34
2614.25:227:35
2714.25:217:36
2814.35:217:37
2914.35:207:37
3014.35:207:38
3114.35:197:39

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 2.28 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
115.7Bright
125.7Bright
135.7Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
226.0Bright
236.0Bright
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in May

Hazard calendar for Pyeongtaek

In seasonPeak

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

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

Pyeongtaek'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 Pyeongtaek?

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

7.3
Sightseeing
1st-best month of the year
5.9
Beach & pool
5th-best month of the year

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

What to pack for Pyeongtaek in May

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

In May, Pyeongtaek sees daytime highs around 24°C and nights near 13°C. Worth packing: light clothes and sun protection. About 7 days see rain.

light clothessun protection

Sea temperature near Pyeongtaek in May

The nearest coast averages about 12°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 44 km away) is warmest in August at about 23°C and coldest in February near 4°C.

It's comfortable for a long swim from Jul 12 to Oct 14 — about 3.1 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan6Bracing
Feb4Bracing
Mar5Bracing
Apr8Bracing
May12Bracing
Jun16Cool
Jul21Refreshing
Aug23Refreshing
Sep23Refreshing
Oct20Cool
Nov15Cool
Dec10Bracing

UV index in Pyeongtaek in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pyeongtaek peaks around August 13 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateAug 13UV 8Dec 23UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May6High
Jun7High
Jul8Very high
Aug8Very high
Sep7Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Pyeongtaek 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 Pyeongtaek is worst in March — around 92 µg/m³ PM2.5 (unhealthy), about 2.0× the cleanest month (July, 46 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyMar 1391 µg/m³Jul 2246 µg/m³
PM2.5 (µg/m³)Level
Jan83Unhealthy
Feb85Unhealthy
Mar92Unhealthy
Apr75Unhealthy
May62Unhealthy
Jun57Unhealthy
Jul46Poor
Aug47Poor
Sep61Unhealthy
Oct74Unhealthy
Nov79Unhealthy
Dec73Unhealthy
Location & terrain

Where is Pyeongtaek?

Pyeongtaek sits at 37.0°N, 127.1°E, 14 m above sea level, in South Korea. The nearest listed city is Seonghwan, 10 km away.

Hwaseong-siChinch'ŏn

Topography around Pyeongtaek

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

Within 3 km, the terrain around Pyeongtaek has only modest variations in elevation — a maximum elevation change of 64 m around an average of 13 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 316 m; within 80 km, large variations in elevation — a maximum elevation change of 1,126 m.

The land around Pyeongtaek is covered by artificial surfaces (44%) and cropland (39%) within 3 km, cropland (39%), trees (25%) and artificial surfaces (25%) within 16 km, and trees (51%) within 80 km.

3 km
64 m
16 km
316 m
80 km
1,126 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Seonghwan 10 km · Anseong 16 km · Osan 18 km · Cheonan 22 km · Asan 25 km · Suwon 34 km · Hwaseong-si 34 km · Chinch'ŏn 35 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 Pyeongtaek (36.9947°, 127.0889°, 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).