Jenzan weather in May

In May, Jenzan sees average daytime highs of 24°C and overnight lows near 13°C, with 87 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 23°C in the first days to 26°C by the end. The sky is clear or mostly clear about 36% 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 Jenzan's 8th-clearest and 6th-windiest month. For the whole year in context, see Jenzan's year-round climate.

Daytime high
24°
5th warmest
Overnight low
13°
8th coldest
Rainfall
87 mm
7.7 wet days
Daylight
13 h 54 min
5:26 AM – 7:21 PM
Cloud cover
56%
8th clearest
Wind
9 km/h
6th windiest
Solar energy
5.86 kWh/m²
Travel score
7.2
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 23°C in the first days to 26°C by the end.

A typical May day in Jenzan reaches about 24°C in the afternoon and slips back to 13°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 19°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
22310
32310
42311
52311
62311
72311
82311
92311
102412
112412
122412
132412
142412
152412
162412
172413
182513
192513
202513
212513
222513
232514
242614
252614
262614
272614
282615
292615
302615
312715

How May really feels in Jenzan

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.

Jenzan 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°223.91.99.80.0
Feb / -3°283.91.310.61.0
Mar13° / 526.81.211.73.8
Apr19° / 7670.112.96.6
May24° / 13°877.7013.97.2
Jun28° / 18°1259014.46.1
Jul29° / 22°22514.4014.24.6
Aug30° / 22°21114.1013.44.5
Sep26° / 17°1498.8012.26.8
Oct20° / 10°554.6011.17.4
Nov13° / 365.20.210.14.3
Dec / -3°213.90.99.60.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% 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 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25050
35149
44951
54951
64852
74852
84852
94951
104852
114852
124753
134951
144951
154951
164951
175050
185050
195050
205050
215149
225149
235149
245050
255050
265050
275050
284852
294852
304753
314654

Chance of precipitation in May

Any precipitation

Jenzan gets around 87 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 27% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
126
226
327
427
527
627
727
827
927
1027
1127
1227
1327
1426
1526
1626
1725
1825
1925
2024
2124
2224
2323
2423
2523
2622
2722
2822
2922
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 81% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
191720
290820
390820
488930
588930
6861031
7861031
8851131
9851131
10851131
11851131
12851131
13851131
14841231
15841231
16831331
17831331
18821431
19821431
20801541
21791641
22791641
23771751
24761851
25741961
26732061
27712171
28682381
29672481
30642691
316227101

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 8 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
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
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 5:40 AM to 5:16 AM, and sunset from 7:08 PM to 7:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:407:08
213.55:397:09
313.55:387:09
413.65:377:10
513.65:367:11
613.65:357:12
713.75:347:13
813.75:337:14
913.75:327:15
1013.75:317:16
1113.85:307:16
1213.85:297:17
1313.85:287:18
1413.95:277:19
1513.95:267:20
1613.95:267:21
1713.95:257:21
1814.05:247:22
1914.05:237:23
2014.05:227:24
2114.05:227:25
2214.15:217:25
2314.15:207:26
2414.15:207:27
2514.15:197:28
2614.25:197:28
2714.25:187:29
2814.25:187:30
2914.25:177:31
3014.25:177:31
3114.35:167:32

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.86 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.47 kWh/m² to a high of 5.86 kWh/m² in May across the year — May's 5.86 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
286.0Intense
296.0Intense
306.0Intense
316.0Intense
Planning a trip in May

Hazard calendar for Jenzan

In seasonPeak

None of Jenzan's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Jenzan's rainy season runs June–September, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Jenzan?

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

7.2
Sightseeing
2nd-best month of the year
6.2
Beach & pool
3rd-best month of the year

May is one of the better times to visit Jenzan for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Jenzan in May

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

In May, Jenzan sees daytime highs around 24°C and nights near 13°C. Worth packing: light clothes and sun protection. About 8 days see rain.

light clothessun protection

UV index in Jenzan in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Jenzan 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 highModerateAug 15UV 9Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Jenzan 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 Jenzan is worst in March — around 63 µg/m³ PM2.5 (unhealthy), about 1.8× the cleanest month (August, 35 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModeratePoorMar 1762 µg/m³Aug 935 µg/m³
PM2.5 (µg/m³)Level
Jan49Poor
Feb54Poor
Mar63Unhealthy
Apr55Unhealthy
May48Poor
Jun44Poor
Jul35Moderate
Aug35Moderate
Sep41Poor
Oct48Poor
Nov53Poor
Dec46Poor
Location & terrain

Where is Jenzan?

Jenzan sits at 36.2°N, 128.3°E, 48 m above sea level, in South Korea. The nearest listed city is Gumi, 15 km away.

MungyeongYeongdongYecheon

Topography around Jenzan

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

Within 3 km, the terrain around Jenzan has significant variations in elevation — a maximum elevation change of 456 m around an average of 98 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 873 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,578 m.

The land around Jenzan is covered by trees (45%) and cropland (34%) within 3 km, trees (60%) and cropland (24%) within 16 km, and trees (79%) within 80 km.

3 km
456 m
16 km
873 m
80 km
1,578 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Gumi 15 km · Gimcheon 21 km · Sangju 23 km · Kunwi 25 km · Waegwan 29 km · Mungyeong 40 km · Yeongdong 47 km · Yecheon 48 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 Jenzan (36.2408°, 128.2975°, elevation 48 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. 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).