Long Thành weather in April

In April, Long Thành sees average daytime highs of 34°C and overnight lows near 26°C, with 68 mm of rain across 11.9 wet days and about 12.2 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 31% 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 24 min by month's end. Set against the rest of the year, April is Long Thành's 3rd-clearest and 3rd-windiest month. For the whole year in context, see Long Thành's year-round climate.

Daytime high
34°
1st warmest
Overnight low
26°
12th coldest
Rainfall
68 mm
11.9 wet days
Daylight
12 h 12 min
5:45 AM – 6:00 PM
Cloud cover
58%
3rd clearest
Wind
9 km/h
3rd windiest
Solar energy
6.21 kWh/m²
Travel score
3.1
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 34°C through the month.

A typical April day in Long Thành reaches about 34°C in the afternoon and slips back to 26°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 35°C. Set against its neighbours, April runs on par with March and about 1°C warmer than May.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13326
23326
33326
43326
53326
63326
73326
83326
93326
103426
113426
123426
133426
143426
153426
163426
173426
183426
193426
203426
213426
223426
233426
243426
253426
263426
273426
283426
293426
303426

How April really feels in Long Thành

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
25 feel dangerously hot (≥ 39°C)
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.

Long Thành weather by month

How April compares with the rest of the year at a glance. April is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°264.111.45.2
Feb32° / 24°10211.64.9
Mar33° / 25°244.611.94.0
Apr34° / 26°6811.912.23.1
May33° / 26°20724.412.52.3
Jun31° / 26°26827.612.62.4
Jul31° / 25°28529.312.62.5
Aug31° / 25°29429.312.42.5
Sep31° / 25°31728.612.12.4
Oct31° / 25°27227.511.82.7
Nov31° / 24°14417.811.53.7
Dec30° / 23°7210.511.44.7

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 21% of April, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15842
25842
35743
45644
55644
65545
75446
85347
95347
105347
115347
125347
135347
145347
155347
165347
175347
185347
195347
205248
215347
225248
235149
245050
254951
264852
274654
284456
294456
304159

Chance of precipitation in April

Any precipitation

Long Thành gets around 68 mm of rain over 11.9 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 40% and peaks near 53% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
127
228
329
431
532
633
734
835
936
1037
1137
1238
1339
1439
1540
1640
1740
1841
1941
2042
2142
2243
2344
2445
2546
2647
2749
2850
2952
3053

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 49% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
196922
296823
386725
476726
566628
656530
756332
846234
945937
1045739
1135641
1235344
1335146
1424949
1524751
1624553
1724355
1814257
1914059
2013960
2113861
2213762
2313663
2413564
2503367
2603268
2703169
2803070
2902872
3002773

Wind in April

Winds average 9 km/h in April.

Across April, daily wind ranges from about 8 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
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 06 min at the start of April to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over April. Sunrise moves from 5:54 AM to 5:38 AM, and sunset from 6:00 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:546:00
212.15:546:00
312.15:536:00
412.15:526:00
512.15:525:59
612.15:515:59
712.25:505:59
812.25:505:59
912.25:495:59
1012.25:495:59
1112.25:485:59
1212.25:486:00
1312.25:476:00
1412.25:466:00
1512.25:466:00
1612.25:456:00
1712.25:456:00
1812.35:446:00
1912.35:446:00
2012.35:436:00
2112.35:436:00
2212.35:426:00
2312.35:426:00
2412.35:416:00
2512.35:416:00
2612.35:406:00
2712.35:406:00
2812.45:396:00
2912.45:396:00
3012.45:386:01

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.21 kWh/m².

For context, solar energy here swings from a low near 4.53 kWh/m² to a high of 6.25 kWh/m² in March across the year — April's 6.21 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.0Intense
296.0Intense
306.0Bright
Planning a trip in April

Hazard calendar for Long Thành

In seasonPeak

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

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

Long Thành'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 Long Thành?

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

3.1
Sightseeing
6th-best month of the year
5.8
Beach & pool
5th-best month of the year

April is a weaker month for outdoor sightseeing in Long Thành.

What to pack for Long Thành in April

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

In April, Long Thành sees daytime highs around 34°C and nights near 26°C. Pack light clothes and sun protection. Worth having: rain gear. About 12 days see rain.

light clothessun protectionrain gear

Sea temperature near Long Thành 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 47 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 Long Thành 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 Long Thành peaks around March 23 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 15 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 23UV 13Nov 15UV 8
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct9Very high
Nov8Very high
Dec9Very high

Air quality in Long Thành 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 Long Thành is worst in October — around 34 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (March, 21 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateOct 1434 µg/m³Mar 1921 µg/m³
PM2.5 (µg/m³)Level
Jan26Moderate
Feb21Moderate
Mar21Moderate
Apr21Moderate
May25Moderate
Jun30Moderate
Jul29Moderate
Aug29Moderate
Sep33Moderate
Oct34Moderate
Nov31Moderate
Dec34Moderate
Location & terrain

Where is Long Thành?

Long Thành sits at 10.8°N, 107.0°E, 19 m above sea level, in Vietnam. The nearest listed city is Trảng Bom, 19 km away.

Topography around Long Thành

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

Within 3 km, the terrain around Long Thành has only modest variations in elevation — a maximum elevation change of 45 m around an average of 13 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 141 m; within 80 km, large variations in elevation — a maximum elevation change of 918 m.

The land around Long Thành is covered by trees (44%) and artificial surfaces (32%) within 3 km, trees (44%) within 16 km, and trees (49%) and water (20%) within 80 km.

3 km
45 m
16 km
141 m
80 km
918 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
April weather nearby: Trảng Bom 19 km · Thủ Đức 21 km · Phú Mỹ 21 km · Biên Hòa 22 km · Xóm Mỹ Xuân 23 km · Dĩ An 24 km · Nhà Bè 25 km · Bình Thạnh 27 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 Long Thành (10.7891°, 106.9503°, elevation 19 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).