Jinan-gun weather in May

In May, Jinan-gun sees average daytime highs of 22°C and overnight lows near 11°C, with 97 mm of rain across 8.7 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 20°C in the first days to 24°C by the end. The sky is clear or mostly clear about 34% 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 Jinan-gun's 7th-clearest and 6th-windiest month. For the whole year in context, see Jinan-gun's year-round climate.

Daytime high
22°
5th warmest
Overnight low
11°
8th coldest
Rainfall
97 mm
8.7 wet days
Daylight
13 h 54 min
5:30 AM – 7:23 PM
Cloud cover
57%
7th clearest
Wind
8 km/h
6th windiest
Solar energy
5.83 kWh/m²
Travel score
6.9
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 20°C in the first days to 24°C by the end.

A typical May day in Jinan-gun reaches about 22°C in the afternoon and slips back to 11°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 26°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)
1209
2209
3209
4209
52110
62110
72110
82110
92110
102110
112111
122111
132111
142211
152211
162211
172212
182212
192212
202212
212312
222312
232312
242313
252313
262313
272413
282413
292413
302414
312414

How May really feels in Jinan-gun

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.

Jinan-gun 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 / -6°316.15.19.80.0
Feb / -4°395.63.210.60.3
Mar11° / 658.12.711.72.7
Apr17° / 898.40.412.95.6
May22° / 11°978.7013.96.9
Jun25° / 16°15511.4014.46.3
Jul27° / 21°25017.3014.25.0
Aug28° / 21°21116.7013.45.0
Sep24° / 16°1419.9012.26.7
Oct19° / 616.1011.16.8
Nov12° / 4870.510.13.3
Dec / -4°336.33.69.60.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% 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 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25050
35050
44951
54951
64852
74852
84753
94753
104654
114753
124654
134852
144753
154753
164852
174852
184852
194852
204852
214852
224852
234852
244852
254852
264852
274852
284753
294654
304555
314456

Chance of precipitation in May

Any precipitation

Jinan-gun gets around 97 mm of rain over 8.7 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 28% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
130
230
330
431
531
631
731
831
930
1030
1130
1230
1330
1430
1530
1629
1729
1828
1928
2028
2127
2227
2327
2426
2526
2626
2726
2825
2925
3025
3126

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 80% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
189920
289920
3871021
4871021
5861121
6861121
7861121
8861121
9861121
10861121
11861121
12861121
13861121
14851221
15851221
16841231
17831331
18821431
19811531
20801541
21791641
22781741
23761851
24751951
25742051
26722260
27702370
28682570
29652780
30622891
315930101

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 7 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
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
287calm
297calm
307calm
317calm

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 5:45 AM to 5:21 AM, and sunset from 7:10 PM to 7:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:457:10
213.55:437:11
313.55:427:12
413.55:417:13
513.65:407:14
613.65:397:15
713.65:387:16
813.75:377:16
913.75:367:17
1013.75:357:18
1113.75:347:19
1213.85:337:20
1313.85:327:21
1413.85:327:21
1513.95:317:22
1613.95:307:23
1713.95:297:24
1813.95:287:25
1914.05:287:26
2014.05:277:26
2114.05:267:27
2214.05:267:28
2314.15:257:29
2414.15:247:29
2514.15:247:30
2614.15:237:31
2714.15:237:32
2814.25:227:32
2914.25:227:33
3014.25:217:34
3114.25:217:34

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 2.4 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
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
236.0Bright
246.0Bright
256.0Bright
266.0Bright
276.0Bright
286.0Bright
296.0Bright
306.0Bright
316.0Bright
Planning a trip in May

Hazard calendar for Jinan-gun

In seasonPeak

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

Jinan-gun'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 Jinan-gun?

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

6.9
Sightseeing
1st-best month of the year
4.7
Beach & pool
5th-best month of the year

May is a reasonable time to visit Jinan-gun for sightseeing.

What to pack for Jinan-gun in May

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

In May, Jinan-gun sees daytime highs around 22°C and nights near 11°C. Worth packing: rain gear and sun protection. About 9 days see rain.

rain gearsun protection

UV index in Jinan-gun 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 Jinan-gun peaks around August 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 16UV 9Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar6High
Apr7High
May8Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep8Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Jinan-gun 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 Jinan-gun is worst in March — around 69 µg/m³ PM2.5 (unhealthy), about 1.8× the cleanest month (July, 39 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyMar 1668 µg/m³Jul 2239 µg/m³
PM2.5 (µg/m³)Level
Jan57Unhealthy
Feb61Unhealthy
Mar69Unhealthy
Apr59Unhealthy
May52Poor
Jun49Poor
Jul39Poor
Aug40Poor
Sep51Poor
Oct58Unhealthy
Nov61Unhealthy
Dec54Poor
Location & terrain

Where is Jinan-gun?

Jinan-gun sits at 35.8°N, 127.4°E, 295 m above sea level, in South Korea. The nearest listed city is Changsu, 18 km away.

KinzanNamsaNangenIksan

Topography around Jinan-gun

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

Within 3 km, the terrain around Jinan-gun has significant variations in elevation — a maximum elevation change of 511 m around an average of 370 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,059 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,879 m.

The land around Jinan-gun is covered by trees (66%) within 3 km, trees (80%) within 16 km, and trees (71%) and cropland (20%) within 80 km.

3 km
511 m
16 km
1,059 m
80 km
1,879 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Changsu 18 km · Imsil 24 km · Jeonju 25 km · Wanju 26 km · Kinzan 35 km · Namsa 37 km · Nangen 43 km · Iksan 46 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 Jinan-gun (35.7917°, 127.4253°, elevation 295 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).