Daejeon weather in April

In April, Daejeon sees average daytime highs of 19°C and overnight lows near 7°C, with 78 mm of precipitation across 7.7 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 16°C in the first days to 21°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 Daejeon's 6th-clearest and 1st-windiest month. For the whole year in context, see Daejeon's year-round climate.

Daytime high
19°
7th warmest
Overnight low
6th coldest
Precipitation
78 mm
7.7 wet days
Daylight
12 h 54 min
6:03 AM – 6:58 PM
Cloud cover
53%
6th clearest
Wind
10 km/h
1st windiest
Solar energy
5.49 kWh/m²
Travel score
6.3
out of 10

Daejeon is human settlement in South Korea.

Air quality
Elevated
PM2.5 18 µg/m³ · 2020

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 16°C in the first days to 21°C by the end.

A typical April day in Daejeon reaches about 19°C in the afternoon and slips back to 7°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 24°C. Set against its neighbours, April runs about 7°C warmer than March and about 5°C cooler than May.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1154
2164
3165
4165
5165
6175
7175
8176
9176
10186
11186
12186
13187
14187
15197
16197
17197
18198
19198
20208
21208
22208
23209
24209
25219
26219
27219
282110
292110
302210

How April really feels in Daejeon

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.

Daejeon 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°244.82.89.80.0
Feb / -3°324.71.810.60.7
Mar12° / 537.41.311.73.4
Apr19° / 787.70.212.96.3
May24° / 13°867.8013.97.2
Jun27° / 18°1238.9014.46.4
Jul29° / 22°23015.7014.24.7
Aug30° / 22°19715013.44.6
Sep26° / 17°1388.4012.26.9
Oct20° / 10°565.1011.17.3
Nov13° / 416.20.310.13.9
Dec / -3°2551.69.60.4

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 15% of April, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15545
25545
35545
45545
55545
65545
75644
85644
95644
105644
115644
125545
135545
145545
155545
165545
175545
185545
195446
205446
215446
225446
235347
245347
255347
265347
275347
285347
295248
305248

Chance of precipitation in April

Any precipitation

Daejeon gets around 78 mm of rain and snow over 7.7 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 25% and peaks near 28% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202530
Rain chance (%)
122
222
322
423
523
623
723
823
923
1024
1124
1224
1325
1425
1526
1626
1726
1827
1927
2027
2127
2227
2328
2428
2528
2628
2728
2828
2928
3028

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 97% 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
510000
610000
710000
89910
99910
109910
119910
129910
139910
149820
159820
169820
179820
189730
199730
209631
219631
229541
239541
249541
259352
269352
279262
289262
299073
308983

Wind in April

Winds average 10 km/h in April, the windiest month of the year.

Across April, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

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 6:25 AM to 5:45 AM, and sunset from 6:45 PM to 7:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:256:45
212.46:236:46
312.46:226:47
412.56:206:48
512.56:196:49
612.56:176:50
712.66:166:51
812.66:146:52
912.76:136:52
1012.76:116:53
1112.76:106:54
1212.86:096:55
1312.86:076:56
1412.86:066:57
1512.96:046:58
1612.96:036:58
1713.06:026:59
1813.06:007:00
1913.05:597:01
2013.15:577:02
2113.15:567:03
2213.15:557:04
2313.25:547:05
2413.25:527:05
2513.35:517:06
2613.35:507:07
2713.35:497:08
2813.45:477:09
2913.45:467:10
3013.45:457:11

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 2.34 kWh/m² to a high of 5.88 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
25.2Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.7Bright
295.7Bright
305.7Bright
Planning a trip in April

Hazard calendar for Daejeon

In seasonPeak

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

Daejeon'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 April a good time to visit Daejeon?

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

6.3
Sightseeing
5th-best month of the year
2.5
Beach & pool
7th-best month of the year

April is a reasonable time to visit Daejeon for sightseeing.

What to pack for Daejeon in April

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

In April, Daejeon sees daytime highs around 19°C and nights near 7°C. Worth packing: a warm layer and sun protection. About 8 days see rain.

a warm layersun protection

UV index in Daejeon in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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 Daejeon peaks around August 14 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 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateAug 14UV 8Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5Moderate
Apr6High
May7High
Jun7Very high
Jul8Very high
Aug8Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Daejeon 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 Daejeon is worst in March — around 23 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (July, 13 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Daejeon's WHO annual average of 18 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1623 µg/m³Jul 2213 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb20Moderate
Mar23Moderate
Apr20Moderate
May17Moderate
Jun16Moderate
Jul13Moderate
Aug13Moderate
Sep17Moderate
Oct19Moderate
Nov20Moderate
Dec18Moderate
Location & terrain

Where is Daejeon?

Daejeon sits at 36.3°N, 127.4°E, 58 m above sea level, in South Korea. The nearest listed city is Okcheon, 17 km away.

YŏnmuYeongdong

Topography around Daejeon

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

Within 3 km, the terrain around Daejeon has only modest variations in elevation — a maximum elevation change of 155 m around an average of 58 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 808 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,594 m.

The land around Daejeon is covered by artificial surfaces (69%) within 3 km, trees (67%) within 16 km, and trees (67%) and cropland (22%) within 80 km.

3 km
155 m
16 km
808 m
80 km
1,594 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Okcheon 17 km · Gongju 26 km · Sejong 28 km · Kinzan 29 km · Nonsan 31 km · Cheongju-si 33 km · Yŏnmu 35 km · Yeongdong 40 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 Daejeon (36.3491°, 127.3849°, elevation 58 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).