Changwon weather in April

In April, Changwon sees average daytime highs of 19°C and overnight lows near 8°C, with 107 mm of rain across 7.9 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 17°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 Changwon's 7th-clearest and 5th-windiest month. For the whole year in context, see Changwon's year-round climate.

Daytime high
19°
7th warmest
Overnight low
6th coldest
Rainfall
107 mm
7.9 wet days
Daylight
12 h 54 min
5:59 AM – 6:52 PM
Cloud cover
54%
7th clearest
Wind
11 km/h
5th windiest
Solar energy
5.49 kWh/m²
Travel score
6.4
out of 10

Changwon is specific city in South Gyeongsang, South Korea.

Density
1,393/km²
people per km²
Founded
1408

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 17°C in the first days to 21°C by the end.

A typical April day in Changwon reaches about 19°C in the afternoon and slips back to 8°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 23°C. Set against its neighbours, April runs about 5°C warmer than March and about 4°C cooler than May.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1166
2176
3176
4176
5176
6176
7187
8187
9187
10187
11187
12188
13198
14198
15198
16198
17198
18199
19209
20209
21209
22209
232010
242010
252010
262110
272110
282111
292111
302111

How April really feels in Changwon

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.

Changwon 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 / -2°283.90.69.91.1
Feb / -1°384.40.510.72.2
Mar14° / 757.20.511.74.3
Apr19° / 1077.9012.96.4
May23° / 13°1148.1013.87.1
Jun26° / 18°1619.4014.36.5
Jul28° / 22°24614.8014.15.0
Aug29° / 23°22014.6013.34.7
Sep26° / 18°1629.6012.26.7
Oct22° / 12°684.6011.17.6
Nov15° / 474.90.110.15.4
Dec / -0°263.50.39.72.2

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 12% of April, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15347
25248
35248
45347
55347
65347
75248
85248
95248
105248
115149
125248
135248
145149
155149
165248
175248
185248
195248
205248
215248
225248
235149
245149
255050
265149
275149
285149
295050
305050

Chance of precipitation in April

Any precipitation

Changwon gets around 107 mm of rain over 7.9 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 28% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
124
224
324
424
524
624
724
824
924
1024
1125
1225
1325
1426
1526
1626
1727
1827
1927
2027
2128
2228
2328
2428
2528
2628
2728
2828
2928
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 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
198200
298200
398200
498200
598200
698200
798200
898200
996310
1096310
1196310
1296310
1396310
1496310
1596310
1695410
1795410
1895410
1995410
2094510
2194510
2293610
2390721
2489821
2589821
2687931
27861031
28851131
29831241
30831241

Wind in April

Winds average 11 km/h in April.

Across April, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
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 6:20 AM to 5:41 AM, and sunset from 6:40 PM to 7:04 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
512.56:146:43
612.56:136:44
712.66:116:45
812.66:106:46
912.66:096:46
1012.76:076:47
1112.76:066:48
1212.76:046:49
1312.86:036:50
1412.86:026:50
1512.96:006:51
1612.95:596:52
1712.95:586:53
1813.05:566:54
1913.05:556:55
2013.05:546:55
2113.15:526:56
2213.15:516:57
2313.15:506:58
2413.25:496:59
2513.25:477:00
2613.25:467:00
2713.35:457:01
2813.35:447:02
2913.35:437:03
3013.45:417:04

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 2.68 kWh/m² to a high of 5.85 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
125.4Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.7Bright
Planning a trip in April

Hazard calendar for Changwon

In seasonPeak

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

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

Changwon's rainy season runs May–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 Changwon?

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

6.4
Sightseeing
5th-best month of the year
2.7
Beach & pool
7th-best month of the year

April is a reasonable time to visit Changwon for sightseeing.

What to pack for Changwon in April

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

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

sun protection

Sea temperature near Changwon 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 42 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 7 — about 4.7 months when the water holds above 20°C.

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

UV index in Changwon 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 Changwon peaks around August 18 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 18UV 9Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar6High
Apr7High
May8Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep9Very high
Oct5High
Nov4Moderate
Dec2Moderate

Air quality in Changwon 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 Changwon 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 Changwon?

Changwon sits at 35.2°N, 128.7°E, 27 m above sea level, in South Korea. The nearest listed city is Naesŏ, 15 km away.

YangsanBusanChangnyeongSinhyeonKyosai

Topography around Changwon

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

Within 3 km, the terrain around Changwon has significant variations in elevation — a maximum elevation change of 505 m around an average of 58 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 789 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,204 m.

The land around Changwon is covered by artificial surfaces (60%) and trees (35%) within 3 km, trees (54%) and artificial surfaces (20%) within 16 km, and trees (47%) and water (37%) within 80 km.

3 km
505 m
16 km
789 m
80 km
1,204 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Naesŏ 15 km · Kimhae 18 km · Miryang 30 km · Yangsan 34 km · Busan 35 km · Changnyeong 39 km · Sinhyeon 39 km · Kyosai 43 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 Changwon (35.2281°, 128.6811°, elevation 27 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).