Pyeongchang weather in April

In April, Pyeongchang sees average daytime highs of 16°C and overnight lows near 5°C, with 82 mm of precipitation across 8.7 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 13°C in the first days to 18°C by the end. The sky is clear or mostly clear about 37% 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 Pyeongchang's 7th-clearest and 1st-windiest month. For the whole year in context, see Pyeongchang's year-round climate.

Daytime high
16°
7th warmest
Overnight low
6th coldest
Precipitation
82 mm
8.7 wet days
Daylight
13 hours
5:58 AM – 6:55 PM
Cloud cover
55%
7th clearest
Wind
10 km/h
1st windiest
Solar energy
5.43 kWh/m²
Travel score
5.0
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 18°C by the end.

A typical April day in Pyeongchang reaches about 16°C in the afternoon and slips back to 5°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 21°C. Set against its neighbours, April runs about 7°C warmer than March and about 5°C cooler than May.

10°20°151015202530
Avg high (°C)Avg low (°C)
1122
2132
3132
4132
5132
6143
7143
8143
9143
10153
11154
12154
13154
14154
15164
16165
17165
18165
19165
20175
21176
22176
23176
24176
25186
26187
27187
28187
29187
30198

How April really feels in Pyeongchang

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 7 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
7
wind chill below the day's low

The story in April is cold — wind chill drags the overnight "feels like" below the raw low.

Pyeongchang 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 / -9°254.64.69.70.0
Feb / -6°314.63.610.60.0
Mar / -1°547.9411.71.9
Apr16° / 828.70.912.95.0
May21° / 10°898.70146.6
Jun24° / 15°1209.6014.56.8
Jul26° / 19°24616.6014.35.4
Aug27° / 19°20216013.45.6
Sep23° / 14°1299012.36.7
Oct17° / 555.20116.3
Nov10° / 436.81.1102.3
Dec / -6°235.23.79.50.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% 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 48%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15347
25347
35347
45248
55248
65347
75347
85347
95347
105248
115248
125248
135149
145248
155149
165149
175149
185149
195149
205149
215149
225149
235248
245248
255149
265149
275248
285248
295248
305347

Chance of precipitation in April

Any precipitationSnow

Pyeongchang gets around 82 mm of rain and snow over 8.7 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 29% and peaks near 30% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%151015202530
Rain chance (%)Snow chance (%)
1277
2287
3286
4286
5286
6285
7285
8284
9284
10284
11283
12283
13283
14283
15282
16282
17292
18292
19292
20292
21292
22302
23302
24302
25302
26302
27301
28301
29301
30301

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 (%)Humid (%)
110000
210000
310000
410000
510000
610000
710000
810000
910000
1010000
1110000
1210000
1310000
1410000
159910
169910
179910
189910
199910
209811
219811
229811
239811
249721
259721
269721
279721
289631
299631
309631

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 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 6:20 AM to 5:39 AM, and sunset from 6:42 PM to 7:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:206:42
212.46:196:43
312.46:176:44
412.56:166:45
512.56:146:45
612.66:136:46
712.66:116:47
812.66:106:48
912.76:086:49
1012.76:076:50
1112.86:056:51
1212.86:046:52
1312.86:026:53
1412.96:016:54
1512.95:596:55
1613.05:586:55
1713.05:566:56
1813.05:556:57
1913.15:546:58
2013.15:526:59
2113.25:517:00
2213.25:507:01
2313.25:487:02
2413.35:477:03
2513.35:467:04
2613.35:447:05
2713.45:437:06
2813.45:427:06
2913.45:407:07
3013.55:397:08

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.43 kWh/m².

For context, solar energy here swings from a low near 2.45 kWh/m² to a high of 5.83 kWh/m² in May across the year — April's 5.43 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
Planning a trip in April

Hazard calendar for Pyeongchang

In seasonPeak

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

Pyeongchang'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 Pyeongchang?

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

5.0
Sightseeing
7th-best month of the year
0.8
Beach & pool
7th-best month of the year

April is a reasonable time to visit Pyeongchang for sightseeing.

What to pack for Pyeongchang in April

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

In April, Pyeongchang sees daytime highs around 16°C and nights near 5°C. Worth packing: a warm layer, rain gear and sun protection. About 9 days see rain.

a warm layerrain gearsun protection

Sea temperature near Pyeongchang in April

The nearest coast averages about 12°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 70 km away) is warmest in August at about 24°C and coldest in February near 9°C.

It's comfortable for a long swim from Jul 1 to Oct 7 — about 3.3 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan10Bracing
Feb9Bracing
Mar9Bracing
Apr12Bracing
May14Bracing
Jun18Cool
Jul22Refreshing
Aug24Warm
Sep22Refreshing
Oct19Cool
Nov16Cool
Dec13Bracing

UV index in Pyeongchang 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 Pyeongchang peaks around August 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateAug 14UV 9Dec 22UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5Moderate
Apr6High
May7Very high
Jun8Very high
Jul9Very high
Aug9Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Pyeongchang 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 Pyeongchang is worst in March — around 57 µg/m³ PM2.5 (unhealthy), about 1.8× the cleanest month (August, 31 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorPoorModeratePoorMar 1856 µg/m³Aug 1731 µg/m³
PM2.5 (µg/m³)Level
Jan48Poor
Feb49Poor
Mar57Unhealthy
Apr51Poor
May46Poor
Jun41Poor
Jul33Moderate
Aug31Moderate
Sep32Moderate
Oct41Poor
Nov46Poor
Dec43Poor
Location & terrain

Where is Pyeongchang?

Pyeongchang sits at 37.4°N, 128.4°E, 0 m above sea level, in South Korea. The nearest listed city is Neietsu, 22 km away.

WŏnjuT’aebaekHongch’ŏnGangneungChungjuYeongjuDonghae City

Topography around Pyeongchang

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

Within 3 km, the terrain around Pyeongchang has significant variations in elevation — a maximum elevation change of 550 m around an average of 386 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,163 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,549 m.

The land around Pyeongchang is covered by trees (64%) and cropland (20%) within 3 km, trees (89%) within 16 km, and trees (83%) within 80 km.

3 km
550 m
16 km
1,163 m
80 km
1,549 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Neietsu 22 km · Wŏnju 40 km · T’aebaek 57 km · Hongch’ŏn 57 km · Gangneung 60 km · Chungju 60 km · Yeongju 65 km · Donghae City 66 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 Pyeongchang (37.3703°, 128.3931°, elevation 0 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. 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).