Tangjin weather in April

In April, Tangjin sees average daytime highs of 15°C and overnight lows near 8°C, with 66 mm of rain across 6.9 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 12°C in the first days to 18°C by the end. The sky is clear or mostly clear about 45% 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 Tangjin's 3rd-clearest and 5th-windiest month. For the whole year in context, see Tangjin's year-round climate.

Daytime high
15°
7th warmest
Overnight low
6th coldest
Rainfall
66 mm
6.9 wet days
Daylight
12 h 54 min
6:05 AM – 7:02 PM
Cloud cover
49%
3rd clearest
Wind
12 km/h
5th windiest
Solar energy
5.51 kWh/m²
Travel score
5.1
out of 10

Tangjin is city in Chungcheongnam-do, South Korea.

Density
49/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 12°C in the first days to 18°C by the end.

A typical April day in Tangjin reaches about 15°C in the afternoon and slips back to 8°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 19°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)
1126
2126
3126
4136
5136
6137
7137
8147
9147
10147
11148
12148
13158
14158
15158
16159
17169
18169
19169
20169
211610
221710
231710
241710
251710
261711
271811
281811
291811
301811

How April really feels in Tangjin

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.

Tangjin 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 / -4°214.22.89.80.0
Feb / -2°2641.510.60.1
Mar / 385.80.911.72.0
Apr15° / 666.9012.95.1
May21° / 14°827.1013.96.9
Jun24° / 19°1167.5014.57.1
Jul27° / 23°24814.7014.35.5
Aug28° / 24°22013.9013.45.4
Sep25° / 19°1247.4012.37.2
Oct19° / 13°565.40117.0
Nov12° / 487.20.4103.5
Dec / -1°245.72.69.50.3

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% 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 42%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16139
26139
36139
46139
56040
66040
76040
85941
95941
105941
115941
125941
135941
145842
155743
165743
175743
185743
195644
205644
215644
225644
235644
245644
255545
265644
275644
285545
295644
305545

Chance of precipitation in April

Any precipitation

Tangjin gets around 66 mm of rain over 6.9 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 22% and peaks near 25% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
119
219
320
420
520
620
721
821
921
1021
1121
1221
1322
1422
1522
1622
1723
1823
1923
2023
2124
2224
2324
2424
2525
2625
2725
2825
2925
3025

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 97% 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
99910
109910
119910
129910
139910
149910
159910
169820
179820
189820
199820
209631
219631
229541
239541
249451
259361
269271
279181
288992
2988102
3087112

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
3012light breeze

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 6:28 AM to 5:47 AM, and sunset from 6:49 PM to 7:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:286:49
212.46:266:50
312.46:256:50
412.56:236:51
512.56:216:52
612.66:206:53
712.66:186:54
812.66:176:55
912.76:166:56
1012.76:146:57
1112.76:136:58
1212.86:116:58
1312.86:106:59
1412.96:087:00
1512.96:077:01
1612.96:057:02
1713.06:047:03
1813.06:037:04
1913.16:017:05
2013.16:007:06
2113.15:597:06
2213.25:577:07
2313.25:567:08
2413.25:557:09
2513.35:537:10
2613.35:527:11
2713.45:517:12
2813.45:507:13
2913.45:487:14
3013.55:477:15

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.51 kWh/m².

For context, solar energy here swings from a low near 2.22 kWh/m² to a high of 5.88 kWh/m² in May across the year — April's 5.51 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
Planning a trip in April

Hazard calendar for Tangjin

In seasonPeak

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

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

Tangjin'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 Tangjin?

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

5.1
Sightseeing
7th-best month of the year
0.7
Beach & pool
7th-best month of the year

April is a reasonable time to visit Tangjin for sightseeing.

What to pack for Tangjin in April

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

In April, Tangjin sees daytime highs around 15°C and nights near 8°C. Worth packing: a warm layer and sun protection. About 7 days see rain.

a warm layersun protection

Sea temperature near Tangjin in April

The nearest coast averages about 8°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 26 km away) is warmest in August at about 23°C and coldest in February near 4°C.

It's comfortable for a long swim from Jul 12 to Oct 14 — about 3.1 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan6Bracing
Feb4Bracing
Mar5Bracing
Apr8Bracing
May12Bracing
Jun16Cool
Jul21Refreshing
Aug23Refreshing
Sep23Refreshing
Oct20Cool
Nov15Cool
Dec10Bracing

UV index in Tangjin 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 Tangjin peaks around July 24 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 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 24UV 8Dec 23UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May6High
Jun7High
Jul8Very high
Aug8Very high
Sep7Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Tangjin 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 Tangjin is worst in March — around 92 µg/m³ PM2.5 (unhealthy), about 2.0× the cleanest month (July, 46 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyMar 1391 µg/m³Jul 2246 µg/m³
PM2.5 (µg/m³)Level
Jan83Unhealthy
Feb85Unhealthy
Mar92Unhealthy
Apr75Unhealthy
May62Unhealthy
Jun57Unhealthy
Jul46Poor
Aug47Poor
Sep61Unhealthy
Oct74Unhealthy
Nov79Unhealthy
Dec73Unhealthy
Location & terrain

Where is Tangjin?

Tangjin sits at 36.9°N, 126.6°E, 20 m above sea level, in South Korea. The nearest listed city is Taesal-li, 18 km away.

AsanHwaseong-siPyeongtaekSeonghwan

Topography around Tangjin

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

Within 3 km, the terrain around Tangjin has only modest variations in elevation — a maximum elevation change of 129 m around an average of 31 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 446 m; within 80 km, large variations in elevation — a maximum elevation change of 800 m.

The land around Tangjin is covered by trees (40%), cropland (30%) and artificial surfaces (21%) within 3 km, cropland (39%) and trees (37%) within 16 km, and water (40%) and trees (31%) within 80 km.

3 km
129 m
16 km
446 m
80 km
800 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Taesal-li 18 km · Seosan 20 km · Yesan 31 km · Hongseong 33 km · Asan 36 km · Hwaseong-si 39 km · Pyeongtaek 42 km · Seonghwan 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 Tangjin (36.8944°, 126.6297°, 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).