Sinhyeon weather in April

In April, Sinhyeon sees average daytime highs of 15°C and overnight lows near 11°C, with 132 mm of rain across 8.4 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 13°C in the first days to 16°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 Sinhyeon's 7th-clearest and 5th-windiest month. For the whole year in context, see Sinhyeon's year-round climate.

Daytime high
15°
7th warmest
Overnight low
11°
6th coldest
Rainfall
132 mm
8.4 wet days
Daylight
12 h 54 min
5:59 AM – 6:52 PM
Cloud cover
53%
7th clearest
Wind
19 km/h
5th windiest
Solar energy
5.49 kWh/m²
Travel score
4.6
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 13°C in the first days to 16°C by the end.

A typical April day in Sinhyeon reaches about 15°C in the afternoon and slips back to 11°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 16°C. Set against its neighbours, April runs about 3°C warmer than March and about 3°C cooler than May.

10°15°20°151015202530
Avg high (°C)Avg low (°C)
1139
2139
3139
4139
51310
61410
71410
81410
91410
101410
111410
121411
131411
141411
151511
161511
171511
181512
191512
201512
211512
221512
231512
241612
251613
261613
271613
281613
291613
301613

How April really feels in Sinhyeon

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.

Sinhyeon 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 daysDaylight (hours)Travel score
Jan / 364.59.91.0
Feb / 50510.71.7
Mar11° / 957.611.73.0
Apr15° / 11°1328.412.94.6
May18° / 15°1397.813.86.1
Jun21° / 19°1809.314.36.3
Jul25° / 23°25212.814.16.3
Aug26° / 24°2051213.36.3
Sep24° / 21°1729.412.26.9
Oct20° / 16°764.811.17.2
Nov14° / 10°555.410.25.0
Dec / 343.99.72.2

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 13% of April, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15347
25347
35347
45248
55248
65248
75347
85347
95248
105347
115347
125248
135347
145248
155248
165347
175347
185446
195446
205446
215545
225545
235446
245446
255446
265446
275347
285347
295347
305248

Chance of precipitation in April

Any precipitation

Sinhyeon gets around 132 mm of rain over 8.4 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 27% and peaks near 28% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
125
226
326
426
526
627
727
827
927
1027
1127
1227
1328
1428
1528
1628
1728
1828
1928
2028
2128
2228
2328
2428
2528
2628
2728
2828
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 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19910
29820
39820
49820
59820
69820
79730
89730
99730
109640
119640
129640
139550
149460
159460
169271
179271
189181
199091
2089101
2188111
2286131
2385141
2483161
2581181
2678202
2776222
2874242
2972262
3069283

Wind in April

Winds average 19 km/h in April.

Across April, daily wind ranges from about 18 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze

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 6:20 AM to 5:42 AM, and sunset from 6:40 PM to 7:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:206:40
212.46:196:41
312.46:176:42
412.46:166:42
512.56:156:43
612.56:136:44
712.56:126:45
812.66:106:46
912.66:096:46
1012.76:086:47
1112.76:066:48
1212.76:056:49
1312.86:036:50
1412.86:026:50
1512.86:016:51
1612.95:596:52
1712.95:586:53
1812.95:576:54
1913.05:566:54
2013.05:546:55
2113.15:536:56
2213.15:526:57
2313.15:506:58
2413.25:496:58
2513.25:486:59
2613.25:477:00
2713.35:467:01
2813.35:457:02
2913.35:437:03
3013.45:427:03

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 2.66 kWh/m² to a high of 5.86 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
35.2Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
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 Sinhyeon

In seasonPeak

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

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

Sinhyeon's rainy season runs April–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 Sinhyeon?

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

4.6
Sightseeing
8th-best month of the year
0.2
Beach & pool
8th-best month of the year

April is a reasonable time to visit Sinhyeon for sightseeing.

What to pack for Sinhyeon in April

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

In April, Sinhyeon sees daytime highs around 15°C and nights near 11°C. Worth packing: a warm layer, rain gear and sun protection. About 8 days see rain.

a warm layerrain gearsun protection

Sea temperature near Sinhyeon in April

The nearest coast averages about 15°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 23 km away) is warmest in August at about 26°C and coldest in February near 14°C.

It's comfortable for a long swim from Jun 17 to Nov 5 — about 4.7 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb14Bracing
Mar14Bracing
Apr15Bracing
May17Cool
Jun20Refreshing
Jul23Refreshing
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec17Cool

UV index in Sinhyeon 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 Sinhyeon peaks around August 20 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 20UV 9Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar6High
Apr7High
May8Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Sinhyeon 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 Sinhyeon is worst in March — around 68 µg/m³ PM2.5 (unhealthy), about 1.6× the cleanest month (August, 42 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorPoorMar 2168 µg/m³Aug 1942 µg/m³
PM2.5 (µg/m³)Level
Jan52Poor
Feb58Unhealthy
Mar68Unhealthy
Apr66Unhealthy
May65Unhealthy
Jun55Poor
Jul46Poor
Aug42Poor
Sep44Poor
Oct50Poor
Nov58Unhealthy
Dec48Poor
Location & terrain

Where is Sinhyeon?

Sinhyeon sits at 34.9°N, 128.6°E, 14 m above sea level, in South Korea. The nearest listed city is Kyosai, 5.0 km away.

ChangwonNaesŏBusanKimhae

Topography around Sinhyeon

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

Within 3 km, the terrain around Sinhyeon has significant variations in elevation — a maximum elevation change of 557 m around an average of 118 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 581 m; within 80 km, large variations in elevation — a maximum elevation change of 1,081 m.

The land around Sinhyeon is covered by trees (58%) and artificial surfaces (26%) within 3 km, water (52%) and trees (38%) within 16 km, and water (56%) and trees (33%) within 80 km.

3 km
557 m
16 km
581 m
80 km
1,081 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Kyosai 5.0 km · Geoje 10 km · Tongyeong 19 km · Goseong 30 km · Changwon 39 km · Naesŏ 42 km · Busan 44 km · Kimhae 45 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 Sinhyeon (34.8825°, 128.6267°, elevation 14 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).