Cao Lãnh weather in April

In April, Cao Lãnh sees average daytime highs of 35°C and overnight lows near 26°C, with 79 mm of rain across 12.6 wet days and about 12.2 hours of daylight. It is the 1st-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 35°C through the month. The sky is clear or mostly clear about 26% of the time in April, and the air most often feels oppressive.

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 Cao Lãnh's 3rd-clearest and 8th-windiest month. For the whole year in context, see Cao Lãnh's year-round climate.

Daytime high
35°
1st warmest
Overnight low
26°
12th coldest
Rainfall
79 mm
12.6 wet days
Daylight
12 h 12 min
5:51 AM – 6:05 PM
Cloud cover
62%
3rd clearest
Wind
8 km/h
8th windiest
Solar energy
6 kWh/m²
Travel score
2.5
out of 10

Cao Lãnh is provincial city of Dong Thap, Viet Nam.

Density
1,980/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

Day-to-day highs hold fairly steady near 35°C through the month.

A typical April day in Cao Lãnh reaches about 35°C in the afternoon and slips back to 26°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 36°C. Set against its neighbours, April runs about 1°C warmer than March and about 1°C warmer than May.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13426
23426
33426
43426
53426
63426
73426
83526
93526
103526
113526
123526
133526
143526
153526
163526
173526
183526
193526
203526
213526
223526
233526
243526
253526
263526
273526
283526
293426
303426

How April really feels in Cao Lãnh

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
30 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.

Cao Lãnh weather by month

How April compares with the rest of the year at a glance. April is the 1st-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°264.111.55.0
Feb32° / 23°131.911.74.7
Mar34° / 25°315.611.93.5
Apr35° / 26°7912.612.22.5
May33° / 26°17924.312.52.1
Jun32° / 26°21626.612.62.3
Jul31° / 25°22727.912.62.4
Aug32° / 25°24028.212.32.3
Sep32° / 25°27728.212.12.2
Oct32° / 25°28826.911.82.5
Nov32° / 24°14016.311.53.5
Dec31° / 23°638.911.44.5

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 20% of April, with mostly cloudy or overcast conditions the remaining 53%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15446
25446
35347
45347
55248
65149
75050
85050
94951
104951
114852
124852
134951
144852
154852
164753
174753
184753
194654
204654
214555
224555
234456
244357
254357
264060
273961
283961
293763
303565

Chance of precipitation in April

Any precipitation

Cao Lãnh gets around 79 mm of rain over 12.6 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 42% and peaks near 58% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
129
229
330
431
532
633
734
835
936
1037
1138
1239
1339
1440
1541
1642
1743
1844
1944
2045
2146
2247
2349
2450
2551
2652
2754
2855
2956
3058

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the oppressive band about 52% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
177122
267123
367024
456926
546927
646729
736631
836532
926434
1026236
1126038
1225840
1315742
1415544
1515346
1615247
1715049
1814851
1914752
2014653
2114455
2214356
2314158
2413960
2513861
2613663
2713465
2813267
2913168
3012970

Wind in April

Winds average 8 km/h in April.

Across April, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
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 6:00 AM to 5:44 AM, and sunset from 6:05 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:006:05
212.15:596:05
312.15:586:05
412.15:586:05
512.15:576:05
612.15:566:05
712.15:566:05
812.25:556:05
912.25:556:05
1012.25:546:05
1112.25:546:05
1212.25:536:05
1312.25:526:05
1412.25:526:05
1512.25:516:05
1612.25:516:05
1712.25:506:05
1812.35:506:05
1912.35:496:05
2012.35:496:05
2112.35:486:05
2212.35:486:05
2312.35:476:05
2412.35:476:05
2512.35:466:05
2612.35:466:05
2712.35:456:05
2812.35:456:05
2912.35:456:05
3012.45:446:06

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6 kWh/m².

For context, solar energy here swings from a low near 4.3 kWh/m² to a high of 6.01 kWh/m² in March across the year — April's 6 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.0Intense
56.0Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.0Intense
166.0Intense
176.0Intense
186.0Intense
196.0Intense
206.0Intense
216.0Bright
226.0Bright
236.0Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.8Bright
295.8Bright
305.8Bright
Planning a trip in April

Hazard calendar for Cao Lãnh

In seasonPeak

None of Cao Lãnh's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Cao Lãnh's rainy season runs May–November, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is April a good time to visit Cao Lãnh?

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

2.5
Sightseeing
6th-best month of the year
5.3
Beach & pool
6th-best month of the year

April is a weaker month for outdoor sightseeing in Cao Lãnh.

What to pack for Cao Lãnh in April

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

In April, Cao Lãnh sees daytime highs around 35°C and nights near 26°C. Pack light clothes and sun protection. Worth having: rain gear. About 13 days see rain.

light clothessun protectionrain gear

UV index in Cao Lãnh in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cao Lãnh peaks around August 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 22UV 13Dec 11UV 9
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar13Extreme
Apr12Extreme
May12Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct9Very high
Nov9Very high
Dec9Very high

Air quality in Cao Lãnh 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 Cao Lãnh is worst in January — around 72 µg/m³ PM2.5 (unhealthy), about 2.4× the cleanest month (August, 30 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyJan 1172 µg/m³Aug 1331 µg/m³
PM2.5 (µg/m³)Level
Jan72Unhealthy
Feb59Unhealthy
Mar53Poor
Apr53Poor
May47Poor
Jun38Poor
Jul34Moderate
Aug30Moderate
Sep40Poor
Oct56Unhealthy
Nov68Unhealthy
Dec70Unhealthy
Location & terrain

Where is Cao Lãnh?

Cao Lãnh sits at 10.5°N, 105.6°E, 5 m above sea level, in Vietnam. The nearest listed city is Quận Đức Thịnh, 20 km away.

Topography around Cao Lãnh

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

Within 3 km, the terrain around Cao Lãnh has only modest variations in elevation — a maximum elevation change of 19 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 23 m; within 80 km, large variations in elevation — a maximum elevation change of 680 m.

The land around Cao Lãnh is covered by trees (49%) and artificial surfaces (32%) within 3 km, cropland (51%) and trees (35%) within 16 km, and cropland (69%) and trees (24%) within 80 km.

3 km
19 m
16 km
23 m
80 km
680 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Quận Đức Thịnh 20 km · Lai Vung 23 km · Long Xuyên 23 km · Sa Dec 23 km · Thốt Nốt 24 km · Tràm Chim 24 km · Kiến An 31 km · Vĩnh Thạnh 37 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 Cao Lãnh (10.4602°, 105.6329°, elevation 5 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. 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).