Sokcho weather in April

In April, Sokcho sees average daytime highs of 14°C and overnight lows near 6°C, with 73 mm of precipitation across 8.2 wet days and about 13 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 11°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 24 min at the start of April to 13 h 30 min by month's end. Set against the rest of the year, April is Sokcho's 7th-clearest and 6th-windiest month. For the whole year in context, see Sokcho's year-round climate.

Daytime high
14°
7th warmest
Overnight low
6th coldest
Precipitation
73 mm
8.2 wet days
Daylight
13 hours
5:56 AM – 6:56 PM
Cloud cover
53%
7th clearest
Wind
12 km/h
6th windiest
Solar energy
5.41 kWh/m²
Travel score
4.2
out of 10

Sokcho is human settlement.

Density
771/km²
people per km²

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 11°C in the first days to 16°C by the end.

A typical April day in Sokcho reaches about 14°C in the afternoon and slips back to 6°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 18°C. Set against its neighbours, April runs about 6°C warmer than March and about 5°C cooler than May.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
1114
2114
3114
4114
5124
6125
7125
8125
9125
10135
11135
12136
13136
14136
15146
16146
17147
18147
19147
20157
21157
22158
23158
24158
25158
26168
27169
28169
29169
30169

How April really feels in Sokcho

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.

Sokcho 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 / -6°436.45.39.60.0
Feb / -4°3964.610.50.0
Mar / 548.24.411.71.4
Apr14° / 738.21134.2
May18° / 12°877.90146.2
Jun22° / 16°949.5014.66.6
Jul25° / 20°20714.1014.46.0
Aug25° / 21°20015.2013.55.9
Sep22° / 17°14910.4012.36.5
Oct17° / 10°717.30.1116.0
Nov10° / 668.31.59.92.6
Dec / -3°395.93.59.40.1

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 (%)
15545
25545
35545
45545
55545
65545
75545
85545
95545
105545
115446
125446
135446
145446
155347
165347
175347
185347
195347
205446
215446
225347
235347
245347
255347
265347
275347
285347
295347
305248

Chance of precipitation in April

Any precipitationSnow

Sokcho gets around 73 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 28% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%151015202530
Rain chance (%)Snow chance (%)
1267
2267
3276
4276
5276
6275
7265
8265
9265
10265
11264
12264
13274
14274
15274
16273
17273
18283
19282
20282
21282
22282
23282
24281
25281
26281
27281
28281
29271
30270

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
17991
18991
19991
20991
21991
22991
23991
24991
25982
26982
27982
28982
29973
30973

Wind in April

Winds average 12 km/h in April.

Across April, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 30 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 6:19 AM to 5:37 AM, and sunset from 6:41 PM to 7:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:196:41
212.46:186:42
312.56:166:43
412.56:146:44
512.56:136:45
612.66:116:46
712.66:106:47
812.76:086:48
912.76:076:49
1012.76:056:50
1112.86:046:51
1212.86:026:52
1312.96:016:53
1412.95:596:54
1512.95:586:55
1613.05:566:56
1713.05:556:56
1813.15:536:57
1913.15:526:58
2013.15:506:59
2113.25:497:00
2213.25:487:01
2313.35:467:02
2413.35:457:03
2513.35:447:04
2613.45:427:05
2713.45:417:06
2813.55:407:07
2913.55:387:08
3013.55:377:09

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.41 kWh/m².

For context, solar energy here swings from a low near 2.34 kWh/m² to a high of 5.8 kWh/m² in May across the year — April's 5.41 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
Planning a trip in April

Hazard calendar for Sokcho

In seasonPeak

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

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

Sokcho'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 Sokcho?

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

4.2
Sightseeing
7th-best month of the year
0.2
Beach & pool
7th-best month of the year

April is a reasonable time to visit Sokcho for sightseeing.

What to pack for Sokcho in April

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

In April, Sokcho sees daytime highs around 14°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 Sokcho in April

The nearest coast averages about 11°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 24°C and coldest in February near 8°C.

It's comfortable for a long swim from Jul 1 to Oct 5 — about 3.2 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan10Bracing
Feb8Bracing
Mar9Bracing
Apr11Bracing
May14Bracing
Jun18Cool
Jul22Refreshing
Aug24Warm
Sep22Refreshing
Oct19Cool
Nov15Cool
Dec12Bracing

UV index in Sokcho 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 Sokcho peaks around August 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateLowAug 17UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May6High
Jun7Very high
Jul7Very high
Aug9Very high
Sep8Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Sokcho 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 Sokcho is worst in March — around 46 µg/m³ PM2.5 (poor), about 2.4× the cleanest month (September, 19 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateMar 2046 µg/m³Sep 1120 µg/m³
PM2.5 (µg/m³)Level
Jan35Poor
Feb38Poor
Mar46Poor
Apr43Poor
May36Poor
Jun29Moderate
Jul23Moderate
Aug21Moderate
Sep19Moderate
Oct26Moderate
Nov31Moderate
Dec30Moderate
Location & terrain

Where is Sokcho?

Sokcho sits at 38.2°N, 128.6°E, 20 m above sea level, in South Korea. The nearest listed city is Kosong, 22 km away.

JumunjinYangguGangneungHwacheonChuncheonHongch’ŏnDonghae City

Topography around Sokcho

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

Within 3 km, the terrain around Sokcho has only modest variations in elevation — a maximum elevation change of 132 m around an average of 11 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,694 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,646 m.

The land around Sokcho is covered by water (47%) and artificial surfaces (25%) within 3 km, water (50%) and trees (37%) within 16 km, and trees (62%) and water (32%) within 80 km.

3 km
132 m
16 km
1,694 m
80 km
1,646 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Kosong 22 km · Jumunjin 41 km · Yanggu 54 km · Gangneung 56 km · Hwacheon 78 km · Chuncheon 84 km · Hongch’ŏn 84 km · Donghae City 86 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 Sokcho (38.207°, 128.5918°, elevation 20 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).