Hwasun weather in April

In April, Hwasun sees average daytime highs of 19°C and overnight lows near 7°C, with 94 mm of rain across 8.1 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 39% 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 Hwasun's 4th-clearest and 4th-windiest month. For the whole year in context, see Hwasun's year-round climate.

Daytime high
19°
7th warmest
Overnight low
6th coldest
Rainfall
94 mm
8.1 wet days
Daylight
12 h 54 min
6:06 AM – 6:59 PM
Cloud cover
55%
4th clearest
Wind
10 km/h
4th windiest
Solar energy
5.45 kWh/m²
Travel score
6.3
out of 10

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 Hwasun 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 14°C and 24°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)
1164
2164
3164
4174
5175
6175
7175
8175
9185
10186
11186
12186
13186
14186
15196
16197
17197
18197
19197
20197
21208
22208
23208
24208
25208
26209
27219
28219
29219
30219

How April really feels in Hwasun

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.

Hwasun 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 / -3°284.61.99.90.1
Feb / -2°375.31.110.71.3
Mar13° / 707.60.811.73.8
Apr19° / 948.1012.96.3
May23° / 12°1068.4013.87.1
Jun27° / 17°16810.4014.36.2
Jul29° / 22°26617.2014.14.5
Aug30° / 22°24716.3013.34.4
Sep26° / 17°1429.8012.26.6
Oct21° / 10°574.7011.17.5
Nov14° / 4860.110.24.7
Dec / -2°294.21.19.71.3

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 13% of April, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15347
25347
35347
45248
55248
65248
75248
85248
95248
105248
115149
125050
135050
145149
155050
165050
175050
185149
195149
205248
215149
225149
235248
245149
255149
265149
275149
285050
294951
305050

Chance of precipitation in April

Any precipitation

Hwasun gets around 94 mm of rain over 8.1 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 26% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
124
225
325
426
526
627
727
827
927
1027
1127
1227
1327
1427
1527
1627
1727
1826
1926
2026
2126
2226
2326
2426
2526
2626
2727
2827
2927
3027

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 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
198200
297300
397300
497300
597300
697300
797300
897300
997300
1097300
1196400
1296400
1396400
1496400
1596400
1694510
1794510
1894510
1993610
2093610
2192710
2290820
2389920
24881020
25871030
26841141
27831241
28811351
29811351
30801451

Wind in April

Winds average 10 km/h in April.

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 6:27 AM to 5:49 AM, and sunset from 6:47 PM to 7:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:276:47
212.46:256:47
312.46:246:48
412.46:226:49
512.56:216:50
612.56:206:51
712.66:186:51
812.66:176:52
912.66:156:53
1012.76:146:54
1112.76:136:55
1212.76:116:55
1312.86:106:56
1412.86:096:57
1512.86:076:58
1612.96:066:59
1712.96:047:00
1813.06:037:00
1913.06:027:01
2013.06:017:02
2113.15:597:03
2213.15:587:04
2313.15:577:04
2413.25:567:05
2513.25:547:06
2613.25:537:07
2713.35:527:08
2813.35:517:09
2913.35:507:09
3013.45:497:10

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.45 kWh/m².

For context, solar energy here swings from a low near 2.41 kWh/m² to a high of 5.76 kWh/m² in May across the year — April's 5.45 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
125.4Bright
135.4Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in April

Hazard calendar for Hwasun

In seasonPeak

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

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

Hwasun'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 Hwasun?

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

6.3
Sightseeing
4th-best month of the year
2.5
Beach & pool
7th-best month of the year

April is a reasonable time to visit Hwasun for sightseeing.

What to pack for Hwasun in April

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

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

a warm layerrain gearsun protection

Sea temperature near Hwasun in April

The nearest coast averages about 10°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 66 km away) is warmest in August at about 25°C and coldest in February near 6°C.

It's comfortable for a long swim from Jun 26 to Oct 11 — about 3.6 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan8Bracing
Feb6Bracing
Mar7Bracing
Apr10Bracing
May14Bracing
Jun19Cool
Jul23Refreshing
Aug25Warm
Sep23Refreshing
Oct19Cool
Nov15Cool
Dec11Bracing

UV index in Hwasun 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 Hwasun peaks around July 12 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. 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 highModerateJul 12UV 8Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar6High
Apr7High
May8Very high
Jun8Very high
Jul8Very high
Aug7Very high
Sep8Very high
Oct5High
Nov4Moderate
Dec2Moderate

Air quality in Hwasun 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 Hwasun is worst in March — around 61 µg/m³ PM2.5 (unhealthy), about 2.1× the cleanest month (August, 28 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModeratePoorModerateMar 1960 µg/m³Aug 1129 µg/m³
PM2.5 (µg/m³)Level
Jan41Poor
Feb48Poor
Mar61Unhealthy
Apr54Poor
May45Poor
Jun39Poor
Jul29Moderate
Aug28Moderate
Sep33Moderate
Oct35Moderate
Nov38Poor
Dec34Moderate
Location & terrain

Where is Hwasun?

Hwasun sits at 35.1°N, 127.0°E, 75 m above sea level, in South Korea. The nearest listed city is Gwangju, 12 km away.

YeongamBeolgyo

Topography around Hwasun

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

Within 3 km, the terrain around Hwasun has significant variations in elevation — a maximum elevation change of 558 m around an average of 170 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,167 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,875 m.

The land around Hwasun is covered by trees (68%) within 3 km, trees (73%) within 16 km, and trees (53%), cropland (21%) and water (21%) within 80 km.

3 km
558 m
16 km
1,167 m
80 km
1,875 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Gwangju 12 km · Masan 16 km · Naju 25 km · Damyang 29 km · Jangseong 32 km · Boseong 33 km · Yeongam 39 km · Beolgyo 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 Hwasun (35.0613°, 126.9875°, elevation 75 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).