Eisen weather in May

In May, Eisen sees average daytime highs of 24°C and overnight lows near 12°C, with 93 mm of rain across 7.7 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 25°C by the end. The sky is clear or mostly clear about 33% 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 Eisen's 8th-clearest and 6th-windiest month. For the whole year in context, see Eisen's year-round climate.

Daytime high
24°
5th warmest
Overnight low
12°
8th coldest
Rainfall
93 mm
7.7 wet days
Daylight
13 h 54 min
5:24 AM – 7:17 PM
Cloud cover
58%
8th clearest
Wind
10 km/h
6th windiest
Solar energy
5.83 kWh/m²
Travel score
7.2
out of 10

Eisen is human settlement in South Korea.

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 22°C in the first days to 25°C by the end.

A typical May day in Eisen reaches about 24°C in the afternoon and slips back to 12°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 18°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
22210
32210
42210
52210
62211
72211
82311
92311
102311
112311
122312
132312
142312
152312
162412
172412
182412
192413
202413
212413
222413
232513
242513
252514
262514
272514
282514
292514
302514
312614

How May really feels in Eisen

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.

Eisen 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°263.81.69.80.0
Feb / -3°314.11.410.60.9
Mar12° / 647.31.611.73.5
Apr19° / 807.70.212.96.3
May24° / 12°937.7013.97.2
Jun26° / 17°1309.6014.46.4
Jul28° / 21°21514.8014.24.9
Aug29° / 22°20814.6013.44.9
Sep25° / 16°1489.7012.26.7
Oct20° / 604.9011.17.1
Nov13° / 384.70.110.14.2
Dec / -3°233.70.79.60.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24753
34753
44753
54654
64753
74654
84555
94555
104555
114456
124654
134654
144654
154753
164852
174753
184753
194852
204852
214852
224951
234951
244852
254852
264852
274753
284753
294654
304654
314555

Chance of precipitation in May

Any precipitation

Eisen gets around 93 mm of rain over 7.7 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 25% and peaks near 28% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
127
227
328
428
528
628
728
828
928
1027
1127
1227
1326
1426
1525
1625
1724
1824
1924
2023
2123
2223
2322
2422
2522
2622
2722
2822
2922
3022
3122

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 84% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
191711
290811
389911
489911
5881011
6881011
7871111
8871111
9861121
10851221
11851221
12851221
13851221
14861220
15861220
16861220
17851320
18851320
19841330
20841330
21841330
22831430
23831430
24811540
25811540
26801640
27781840
28771940
29742150
30732250
31702460

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
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
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 5:38 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)
113.45:387:05
213.55:377:06
313.55:367:06
413.55:357:07
513.65:347:08
613.65:337:09
713.65:327:10
813.75:317:11
913.75:307:12
1013.75:297:12
1113.85:287:13
1213.85:277:14
1313.85:267:15
1413.85:257:16
1513.95:247:17
1613.95:247:17
1713.95:237:18
1814.05:227:19
1914.05:217:20
2014.05:217:21
2114.05:207:21
2214.15:197:22
2314.15:197:23
2414.15:187:24
2514.15:177:25
2614.15:177:25
2714.25:167:26
2814.25:167:27
2914.25:157:27
3014.25:157:28
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 5.83 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.6 kWh/m² to a high of 5.83 kWh/m² in May across the year — May's 5.83 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
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
236.0Bright
246.0Bright
256.0Bright
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.0Intense
316.0Intense
Planning a trip in May

Hazard calendar for Eisen

In seasonPeak

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

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

Eisen'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 Eisen?

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

7.2
Sightseeing
1st-best month of the year
5.8
Beach & pool
5th-best month of the year

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

What to pack for Eisen in May

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

In May, Eisen sees daytime highs around 24°C and nights near 12°C. Worth packing: light clothes and sun protection. About 8 days see rain.

light clothessun protection

Sea temperature near Eisen 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 60 km away) is warmest in August at about 24°C and coldest in February near 12°C.

It's comfortable for a long swim from Jun 28 to Oct 19 — about 3.7 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb12Bracing
Mar12Bracing
Apr14Bracing
May16Cool
Jun19Cool
Jul22Refreshing
Aug24Warm
Sep23Refreshing
Oct20Refreshing
Nov17Cool
Dec15Bracing

UV index in Eisen 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 Eisen 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 Eisen 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 Eisen 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 Eisen?

Eisen sits at 36.0°N, 128.9°E, 85 m above sea level, in South Korea. The nearest listed city is Hayang, 12 km away.

YeonilPohangHeunghaeHwawŏn

Topography around Eisen

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

Within 3 km, the terrain around Eisen has only modest variations in elevation — a maximum elevation change of 201 m around an average of 101 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 643 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,395 m.

The land around Eisen is covered by trees (37%), artificial surfaces (26%) and cropland (25%) within 3 km, trees (63%) and cropland (20%) within 16 km, and trees (64%) within 80 km.

3 km
201 m
16 km
643 m
80 km
1,395 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Hayang 12 km · Gyeongsan-si 24 km · Gyeongju 29 km · Daegu 32 km · Yeonil 35 km · Pohang 40 km · Heunghae 40 km · Hwawŏn 43 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 Eisen (35.9675°, 128.9308°, elevation 85 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).