An Trạch weather in April

In April, An Trạch sees average daytime highs of 30°C and overnight lows near 27°C, with 84 mm of rain across 13.2 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 38% 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 An Trạch's 3rd-clearest and 9th-windiest month. For the whole year in context, see An Trạch's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
27°
12th coldest
Rainfall
84 mm
13.2 wet days
Daylight
12 h 12 min
5:53 AM – 6:05 PM
Cloud cover
54%
3rd clearest
Wind
15 km/h
9th windiest
Solar energy
6.31 kWh/m²
Travel score
4.9
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 An Trạch 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 28°C and 30°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
22927
32927
42927
52927
62927
72927
82927
92927
102927
112927
122927
133027
143027
153027
163027
173027
183027
193027
203027
213027
223027
233027
243027
253027
263027
273027
283027
293027
303027

How April really feels in An Trạch

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.

An Trạch 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°264.111.57.2
Feb27° / 25°111.711.77.7
Mar28° / 26°386.311.96.5
Apr30° / 27°8413.212.24.9
May30° / 27°20325.912.43.1
Jun30° / 27°24227.412.52.9
Jul29° / 26°25029.312.53.0
Aug29° / 26°23428.912.33.0
Sep29° / 26°27028.112.13.0
Oct28° / 26°32328.711.83.2
Nov28° / 26°21021.311.64.2
Dec28° / 25°10812.211.55.9

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 18% of April, with mostly cloudy or overcast conditions the remaining 44%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15941
25941
35941
45941
55941
65941
76040
85941
95941
105941
115941
125941
136040
146040
155941
165941
175842
185842
195842
205743
215644
225545
235446
245248
255149
265050
274852
284753
294555
304456

Chance of precipitation in April

Any precipitation

An Trạch gets around 84 mm of rain over 13.2 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 44% and peaks near 62% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
131
231
332
433
533
634
735
836
936
1037
1137
1238
1339
1440
1541
1642
1744
1845
1946
2048
2149
2250
2352
2453
2555
2656
2758
2859
2961
3062

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 82% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
13961
23862
33664
43565
53367
63169
73070
82872
92674
102575
112377
122179
132080
141882
151783
161585
171486
181288
191189
201090
21991
22892
23793
24793
25694
26694
27595
28595
29496
30496

Wind in April

Winds average 15 km/h in April.

Across April, daily wind ranges from about 13 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
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light 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 6:01 AM to 5:47 AM, and sunset from 6:05 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:016:05
212.16:006:05
312.16:006:05
412.15:596:05
512.15:596:05
612.15:586:05
712.15:576:05
812.15:576:05
912.15:566:05
1012.25:566:05
1112.25:556:05
1212.25:556:05
1312.25:546:05
1412.25:546:05
1512.25:536:05
1612.25:536:05
1712.25:526:05
1812.25:526:05
1912.25:516:05
2012.25:516:05
2112.25:506:05
2212.25:506:05
2312.35:496:05
2412.35:496:05
2512.35:486:05
2612.35:486:05
2712.35:486:05
2812.35:476:05
2912.35:476:05
3012.35:476:05

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.31 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.51 kWh/m² to a high of 6.31 kWh/m² in April across the year — April's 6.31 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.4Intense
176.4Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.1Intense
286.1Intense
296.0Intense
306.0Intense
Planning a trip in April

Hazard calendar for An Trạch

In seasonPeak

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

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

An Trạch'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 An Trạch?

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

4.9
Sightseeing
5th-best month of the year
6.5
Beach & pool
4th-best month of the year

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

What to pack for An Trạch in April

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

In April, An Trạch sees daytime highs around 30°C and nights near 27°C. Pack light clothes and sun protection. Worth having: rain gear. About 13 days see rain.

light clothessun protectionrain gear

Sea temperature near An Trạch 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 22 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
Mar28Warm
Apr29Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in An Trạch 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 An Trạch peaks around March 21 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 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 21UV 13Dec 18UV 10
UV index (midday)Level
Jan10Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep13Extreme
Oct11Extreme
Nov10Extreme
Dec10Very high

Air quality in An Trạch 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 An Trạch is worst in December — around 25 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (May, 15 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateDec 1524 µg/m³May 1115 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb16Moderate
Mar15Moderate
Apr15Moderate
May15Moderate
Jun17Moderate
Jul19Moderate
Aug17Moderate
Sep19Moderate
Oct22Moderate
Nov21Moderate
Dec25Moderate
Location & terrain

Where is An Trạch?

An Trạch sits at 9.1°N, 105.4°E, 1 m above sea level, in Vietnam. The nearest listed city is Gành Hào, 5.0 km away.

Topography around An Trạch

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

Within 3 km, the terrain around An Trạch has only modest variations in elevation — a maximum elevation change of 10 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 13 m; within 80 km, only modest variations in elevation — a maximum elevation change of 22 m.

The land around An Trạch is covered by water (56%) and trees (20%) within 3 km, water (67%) within 16 km, and water (56%) and cropland (26%) within 80 km.

3 km
10 m
16 km
13 m
80 km
22 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
April weather nearby: Gành Hào 5.0 km · Ấp Hô Phòng 18 km · Giá Rai 20 km · Phong Thạnh 29 km · Cà Mau 29 km · Tam Giang 38 km · Bạc Liêu 44 km · Thới Bình 46 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 An Trạch (9.0686°, 105.3958°, elevation 1 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).