Jeonju weather in April

In April, Jeonju sees average daytime highs of 18°C and overnight lows near 6°C, with 85 mm of precipitation across 8.2 wet days and about 12.9 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 20°C by the end. The sky is clear or mostly clear about 40% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 18 min at the start of April to 13 h 24 min by month's end. Set against the rest of the year, April is Jeonju's 4th-clearest and 3rd-windiest month. For the whole year in context, see Jeonju's year-round climate.

Daytime high
18°
7th warmest
Overnight low
6th coldest
Precipitation
85 mm
8.2 wet days
Daylight
12 h 54 min
6:04 AM – 6:59 PM
Cloud cover
53%
4th clearest
Wind
9 km/h
3rd windiest
Solar energy
5.49 kWh/m²
Travel score
6.0
out of 10

Jeonju is capital of North Jeolla Province, South Korea.

Density
3,096/km²
people per km²
Founded
~757 CE

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 15°C in the first days to 20°C by the end.

A typical April day in Jeonju reaches about 18°C in the afternoon and slips back to 6°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 23°C. Set against its neighbours, April runs about 6°C warmer than March and about 5°C cooler than May.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1154
2154
3154
4164
5164
6165
7165
8165
9175
10175
11175
12176
13176
14186
15186
16186
17187
18187
19197
20197
21197
22198
23198
24208
25208
26208
27209
28209
29219
30219

How April really feels in Jeonju

Once humidity and wind are folded in, April 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

April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Jeonju weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -5°305.94.29.80.0
Feb / -3°375.52.410.60.6
Mar12° / 597.71.711.73.2
Apr18° / 858.20.212.96.0
May23° / 12°938.1013.97.1
Jun26° / 17°14910.7014.46.3
Jul28° / 22°25717014.24.8
Aug29° / 22°21716.7013.44.6
Sep25° / 16°1379012.26.8
Oct20° / 595.7011.17.2
Nov13° / 476.80.410.13.9
Dec / -3°326.22.89.60.5

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15644
25644
35644
45545
55545
65545
75545
85545
95545
105545
115545
125545
135545
145446
155446
165545
175446
185446
195545
205545
215446
225446
235545
245446
255347
265347
275347
285347
295248
305248

Chance of precipitation in April

Any precipitationSnow

Jeonju gets around 85 mm of rain and snow over 8.2 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 27% and peaks near 29% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202530
Rain chance (%)Snow chance (%)
1242
2242
3242
4242
5251
6251
7251
8251
9251
10261
11261
12261
13271
14270
15270
16280
17280
18280
19280
20280
21280
22290
23290
24290
25290
26290
27290
28290
29290
30290

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
110000
210000
310000
410000
59910
69910
79910
89910
99910
109910
119910
129820
139820
149820
159820
169730
179730
189730
199631
209541
219541
229451
239451
249262
259172
269172
279082
288893
298893
3087103

Wind in April

Winds average 9 km/h in April.

Across April, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 18 min at the start of April to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over April. Sunrise moves from 6:26 AM to 5:47 AM, and sunset from 6:46 PM to 7:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:266:46
212.46:246:47
312.46:236:48
412.56:216:49
512.56:206:50
612.56:196:50
712.66:176:51
812.66:166:52
912.66:146:53
1012.76:136:54
1112.76:116:55
1212.86:106:55
1312.86:096:56
1412.86:076:57
1512.96:066:58
1612.96:046:59
1712.96:037:00
1813.06:027:01
1913.06:007:01
2013.15:597:02
2113.15:587:03
2213.15:567:04
2313.25:557:05
2413.25:547:06
2513.25:537:07
2613.35:517:07
2713.35:507:08
2813.35:497:09
2913.45:487:10
3013.45:477:11

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.49 kWh/m².

For context, solar energy here swings from a low near 2.33 kWh/m² to a high of 5.85 kWh/m² in May across the year — April's 5.49 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
Planning a trip in April

Hazard calendar for Jeonju

In seasonPeak

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

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

Jeonju'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 April a good time to visit Jeonju?

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

6.0
Sightseeing
5th-best month of the year
2.0
Beach & pool
7th-best month of the year

April is a reasonable time to visit Jeonju for sightseeing.

What to pack for Jeonju in April

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

In April, Jeonju sees daytime highs around 18°C and nights near 6°C. Worth packing: a warm layer, rain gear and sun protection. About 8 days see rain.

a warm layerrain gearsun protection

Sea temperature near Jeonju in April

The nearest coast averages about 9°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 48 km away) is warmest in August at about 26°C and coldest in February near 6°C.

It's comfortable for a long swim from Jun 25 to Oct 10 — about 3.6 months when the water holds above 20°C.

0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan7Bracing
Feb6Bracing
Mar6Bracing
Apr9Bracing
May14Bracing
Jun19Cool
Jul23Refreshing
Aug26Warm
Sep23Refreshing
Oct19Cool
Nov15Bracing
Dec10Bracing

UV index in Jeonju in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Jeonju peaks around August 16 at about 8 (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 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateAug 16UV 8Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5High
Apr7High
May8Very high
Jun7Very high
Jul8Very high
Aug8Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Moderate

Air quality in Jeonju in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in Jeonju 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 Jeonju?

Jeonju sits at 35.8°N, 127.1°E, 44 m above sea level, in South Korea. The nearest listed city is Wanju, 3.0 km away.

Yŏnmu

Topography around Jeonju

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

Within 3 km, the terrain around Jeonju has significant variations in elevation — a maximum elevation change of 281 m around an average of 73 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 770 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,879 m.

The land around Jeonju is covered by artificial surfaces (63%) and trees (33%) within 3 km, trees (58%) and cropland (22%) within 16 km, and trees (61%) and cropland (20%) within 80 km.

3 km
281 m
16 km
770 m
80 km
1,879 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Wanju 3.0 km · Namsa 15 km · Iksan 22 km · Kimje 24 km · Jinan-gun 25 km · Imsil 26 km · Jeongeup 32 km · Yŏnmu 34 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 Jeonju (35.8219°, 127.1489°, elevation 44 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).