Duyên Hải weather in April

In April, Duyên Hải sees average daytime highs of 30°C and overnight lows near 27°C, with 58 mm of rain across 10.4 wet days and about 12.2 hours of daylight. It is the 2nd-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 42% of the time in April, and the air most often feels miserable.

Daylight stretches from about 12 h 06 min at the start of April to 12 h 18 min by month's end. Set against the rest of the year, April is Duyên Hải's 3rd-clearest and 8th-windiest month. For the whole year in context, see Duyên Hải's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
27°
11th coldest
Rainfall
58 mm
10.4 wet days
Daylight
12 h 12 min
5:48 AM – 6:01 PM
Cloud cover
52%
3rd clearest
Wind
15 km/h
8th windiest
Solar energy
6.44 kWh/m²
Travel score
5.0
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical April day in Duyên Hải reaches about 30°C in the afternoon and slips back to 27°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 31°C. Set against its neighbours, April runs about 1°C warmer than March and on par with May.

25°28°30°33°35°151015202530
Avg high (°C)Avg low (°C)
12927
23027
33027
43027
53027
63027
73027
83027
93027
103027
113027
123027
133027
143027
153027
163027
173027
183027
193027
203027
213027
223027
233027
243027
253027
263127
273127
283127
293127
303127

How April really feels in Duyên Hải

Once humidity and wind are folded in, April averages 30 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
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Duyên Hải weather by month

How April compares with the rest of the year at a glance. April is the 2nd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 25°232.811.57.4
Feb27° / 25°6111.77.8
Mar29° / 26°213.511.96.6
Apr30° / 27°5810.412.25.0
May31° / 27°17024.212.43.1
Jun30° / 26°20727.112.62.8
Jul30° / 26°19728.712.52.9
Aug30° / 26°19528.812.32.9
Sep29° / 26°22527.812.12.9
Oct29° / 26°27627.411.83.3
Nov29° / 26°16016.611.64.7
Dec28° / 25°869.211.46.2

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 16% of April, with mostly cloudy or overcast conditions the remaining 42%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16436
26436
36337
46337
56337
66238
76238
86238
96139
106139
116139
126139
136139
146040
156040
166040
175941
185842
195842
205743
215743
225545
235545
245347
255248
265248
275149
284852
294852
304654

Chance of precipitation in April

Any precipitation

Duyên Hải gets around 58 mm of rain over 10.4 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 34% and peaks near 52% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
122
223
323
424
525
626
727
827
928
1028
1129
1230
1330
1431
1532
1633
1734
1835
1936
2037
2138
2240
2341
2443
2544
2646
2747
2849
2951
3052

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April lands in the miserable band about 75% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
14951
24852
34654
44555
54357
64159
74060
83862
93664
103565
113367
123169
132971
142773
152575
162377
172179
181981
191882
201684
211486
221387
231288
241189
251090
26991
27892
28793
29793
30694

Wind in April

Winds average 15 km/h in April.

Across April, daily wind ranges from about 14 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 06 min at the start of April to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over April. Sunrise moves from 5:56 AM to 5:42 AM, and sunset from 6:01 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:566:01
212.15:566:01
312.15:556:01
412.15:556:01
512.15:546:01
612.15:536:01
712.15:536:01
812.15:526:01
912.25:526:01
1012.25:516:01
1112.25:516:01
1212.25:506:01
1312.25:496:01
1412.25:496:01
1512.25:486:01
1612.25:486:01
1712.25:476:01
1812.25:476:01
1912.25:466:01
2012.25:466:01
2112.35:456:01
2212.35:456:01
2312.35:446:01
2412.35:446:01
2512.35:446:01
2612.35:436:01
2712.35:436:01
2812.35:426:01
2912.35:426:01
3012.35:426:01

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.44 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.65 kWh/m² to a high of 6.44 kWh/m² in April across the year — April's 6.44 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.5Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.4Intense
216.4Intense
226.4Intense
236.4Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.2Intense
296.2Intense
306.2Intense
Planning a trip in April

Hazard calendar for Duyên Hải

In seasonPeak

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

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

Duyên Hải's rainy season runs May–November, 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 Duyên Hải?

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

5.0
Sightseeing
5th-best month of the year
6.8
Beach & pool
4th-best month of the year

April is a reasonable time to visit Duyên Hải for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Duyên Hải in April

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

In April, Duyên Hải sees daytime highs around 30°C and nights near 27°C. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

Sea temperature near Duyên Hải in April

The nearest coast averages about 29°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 15 km away) is warmest in May at about 30°C and coldest in January near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar27Warm
Apr29Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Duyên Hải in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Duyên Hải peaks around March 24 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 10 at about 10 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 24UV 13Dec 10UV 10
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct11Extreme
Nov10Very high
Dec10Very high

Air quality in Duyên Hải 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 Duyên Hải is worst in December — around 34 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (March, 19 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateDec 1333 µg/m³Mar 1719 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb20Moderate
Mar19Moderate
Apr20Moderate
May22Moderate
Jun24Moderate
Jul25Moderate
Aug23Moderate
Sep28Moderate
Oct33Moderate
Nov30Moderate
Dec34Moderate
Location & terrain

Where is Duyên Hải?

Duyên Hải sits at 9.6°N, 106.5°E, 2 m above sea level, in Vietnam. The nearest listed city is Trà Vinh, 38 km away.

Topography around Duyên Hải

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

Within 3 km, the terrain around Duyên Hải has only modest variations in elevation — a maximum elevation change of 9 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 21 m; within 80 km, only modest variations in elevation — a maximum elevation change of 24 m.

The land around Duyên Hải is covered by water (40%) and trees (21%) within 3 km, water (52%) within 16 km, and water (53%), trees (23%) and cropland (20%) within 80 km.

3 km
9 m
16 km
21 m
80 km
24 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
April weather nearby: Trà Vinh 38 km · Sóc Trăng 57 km · Vĩnh Châu 66 km · Bến Tre 69 km · Ngã Bảy 76 km · Mỹ Tho 82 km · Gò Công 84 km · Phú Lộc 86 km

Vietnam travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C / F
220 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$5,066
2025
Happiness
6.4 / 10
World Happiness, 2025
Safe drinking water
59%
of population, 2024
Homicide rate
1.5
per 100k, 2011
Road deaths
30.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 500
Religion
none 86%Catholic 6%Buddhist 6%Protestant 1%

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 Duyên Hải (9.635°, 106.4924°, elevation 2 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).